Standards - Science

SC15.HAP.8

Communicate scientific information to explain the relationship between the structures and functions, both mechanical (e.g., chewing, churning in stomach) and chemical (e.g., enzymes, hydrochloric acid [HCl] in stomach), of the digestive system, including the accessory organs (e.g., salivary glands, pancreas).

Unpacked Content

Scientific and Engineering Practices

Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:
  • The digestive system is composed of the digestive tract (mouth, pharynx, esophagus, stomach, small intestine, large intestine, and rectum) and accessory digestive organs (salivary glands, pancreas, liver, gallbladder).
  • Mechanical digestion includes chewing (mastication), swallowing, peristalsis, churning in the stomach).
  • Chemical digestion is contributed to by enzymes, acids, and hormones.
  • The hypothalamus regulates hunger and thirst.
  • Chemical and mechanical digestion begin in the mouth.
  • Perstalsis moves food through the digestive tract.
  • The stomach uses enzymes and acids (chemical) and churning(mechanical) to digest proteins.
  • Hormones produced by the stomach and small intestine regulate digestion.
  • Digestion of most food takes place in the proximal portions of the small intestine while absorption of digested food takes place in the distal portions.
  • The large intestine absorbs water and electrolytes in its proximal components and feces is formed in the distal portions.
  • Exocrine functions of the pancreas involve the production of digestive enzymes.
  • The endocrine function of the pancreas involves insulin and glucagon, which regulate sugar.
  • Bile production is a major function of the liver.
  • The gallbladder stores and releases bile, which helps with fat digestion.
  • Food intolerances are caused by the inability to absorb or digest food.
  • Polyps are outgrowths of the mucosa that can devlop into cancer.
  • Ulcers are caused by erosion fo the digestive tract mucosa.
  • Digestive system gland disorders include cirrhosis, hepatitis, and pancreatitis.

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the structures of the digestive system that contribute to mechanical digestion.
  • Gather, read, and interpret scientific information about the function of the structures of the digestive system that contribute to mechanical digestion.
  • Gather, read, and interpret scientific information about the structures of the digestive system that contribute to chemical digestion.
  • Gather, read, and interpret scientific information about the function of the structures of the digestive system that contribute to chemical digestion.
  • Communicate scientific information, in multiple formats (e.g., orally, graphically, textually) to explain the structure and function of the mechanical and chemical digestive system, as a whole, and of its intrinsic parts.
  • Use scientific literature to identify conditions and diseases that effect the digestive system.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.

Understanding

Students understand that:
  • The digestive system is made of several different tissues, organs, and accessory organs that ultimately break down food into smaller, usable molecules that can be absorbed and transported by the blood to the rest of the body's tissues.
  • The digestive system creates and eliminates solid waste from the parts of foods that aren't transported into the bloodstream.
  • Numerous organs/accessory organs are structurally designed to play several different roles in the digestion process.
  • Several reactions/systems (glycolysis, electron transport chain, glucogenesis, amination, TCA cycle, etc. occur and contribute to metabolism.
  • Several factors (genetics, diet, exercise, stress, etc.) can contribute to the development of digestive disorders.
  • Lifestyle choices and various medications can help alleviate digestive disorders.
  • Multiple systems interact to play a part in digestive pathology.
  • Various organs and locations within those organs are affected, depending on each digestive disorder.

Vocabulary

  • digestive tract/ alimentary canal
  • accessory digestive organs: salivary glands, pancreas, liver, gallbladder
  • gastrulation
  • ingestion
  • mastication
  • salivary amylase
  • esophagus
  • reverse peristalsis
  • protease
  • mucosa
  • cholecystokinin
  • gastrin
  • secretin
  • chyme
  • enerokinases
  • parenteral nutrition
  • hepatic
  • flatulence
  • feces
  • buccal/ oral cavity
  • palate (hard and soft)
  • intrinsic/ extrinsic tongue muscles
  • glands (salivary, parotid, sublingual, submandibular)
  • teeth (incisors, canine/ cuspid, bicuspid/ premolars, molars, wisdom)
  • esophagus
  • stomach
  • lamina propria
  • mucosae, submucosa
  • adventitia/ serosa
  • cardiac sphincter
  • reflux
  • regions—upper (cardiac), middle (fundic), lower (pyloric)
  • cells (parietal, chief, mucous neck, gastric stem)
  • glands (cardiac, fundic, pyloric)
  • pyloric sphincter
  • intestine (small and large)
  • duodenum
  • jejunum
  • ileum
  • villi
  • mesentery
  • cecum
  • cecum
  • appendix
  • colon (transverse, descending, sigmoid)
  • rectum
  • anus
  • dysphagia
  • Gastroesophageal reflux disease (GERD)
  • Crohn's disease
  • Celiac disease
  • Diverticulitus
  • Inflammatory Bowel Disease
  • Ameobic dysentery
  • polyps
  • hepatitis
  • hernia
  • pancreatitis

SC15.HAP.9

Develop and use a model to explain how the organs of the respiratory system function.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Engaging in Argument from Evidence

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:
  • The respiratory system is composed of the upper respiratory system (nose, nasal cavity, paranasal sinuses, pharynx),and the lower respiratory system (larynx, trachea, bronchial tree and lungs).
  • Breathing is due to the action of the muscles and bones of the thorax and is controled by the antonomic and somatic nervous systems.
  • Inspiration is due to the contraction of the diaphram and expansion of the rib cage.
  • Alveoli expand and fill with air upon inspiration
  • The partial pressure of gases in the air determines the direction of diffusion during breathing.
  • Diseases of the respiratory system are either developmental (due to genetic conditions or lifestyle factors) or infectious (due to microorganisms).
  • Lifestyle plays a significant role in respiratory system aging. Aging can lead to a reduced ability to carry out respiration and reduced diffusion of gases across the alveoli.

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the respiratory system including its structures and their function.
  • Use evidence to develop a model of the respiratory system.
  • Develop a model to predict and show relationships among variables between the respiratory system and its components.
  • Use a model to collect respiratory function data.
  • Gather, read and interpret scientific information about environmental factors that may affect the respiratory system.
  • Gather, read and interpret scientific information about genetic factors that may affect the respiratory system.
  • Use evidence to form an argument about environmental or genetic factors that may cause pathological conditions in the respiratory system.
  • Use evidence to defend an argument about environmental or genetic factors that may cause pathological conditions in the respiratory system.
  • Evaluate counter-claims and revise argument based on evidence.

Understanding

Students understand that:
  • The respiratory system is made of several different tissues, and organs that move air in and out of the body.
  • The respiratory system closely interacts with the cardiovascular system performing gas exchange between capillaries and alveoli.
  • Numerous organs organs are structurally designed to play several different roles in the respiratory process.
  • Genetic, environmental, and lifestyle factors can contribute to the development of respiratory disorders.
  • Lifestyle choices and various medications can help alleviate respiratory disorders.

Vocabulary

  • Lung
  • ventilation
  • lower/ upper respiratory system
  • nose
  • quadrangular cartilage
  • nostrils/ nares
  • nasal cavity
  • paranasal sinuses
  • turbinates
  • pharynx
  • nasopharynx
  • adenoids
  • oropharynx
  • tonsils
  • laryngopharynx
  • glottis
  • larynx
  • vocal cords
  • epiglottis
  • thyroid cartilage
  • laryngeal prominence (adam's apple)
  • cricoid cartilage
  • arytenoid cartilage
  • trachea
  • primary bronchi
  • tracheal cartilage
  • bronchial tree
  • bronchi (secondary and tertiary)
  • bronchioles (terminal, respiratory)
  • brochoconstriction
  • bronchodilation
  • pleura (parietal, visceral), pleuritis
  • lobes, lobule
  • surfactant
  • alveolus
  • diaphragm
  • inspiration/ inhalation
  • expiration/ exhalation
  • phrenic nerve
  • intrapleural pressure
  • partial pressure
  • bronchitis
  • emphysema
  • ARDS
  • atelectasis
  • pneumothorax
  • bronchiectasis
  • COPD
  • sleep apnea
  • lung cancer
  • pneumonia
  • tuberculosis
  • tidal volume
  • vital capacity
  • residual volume
  • lung capacity

SC15.HAP.10

Obtain, evaluate, and communicate information to differentiate between the male and female reproductive systems, including pathological conditions that affect each.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:

  • The female reproductive system is designed to produce, store, and transport eggs.
  • The female reproductive system is composed of the reproductive tract and the mammary glands.
  • The male reproductive system is designed to produce, store, and transport sperm.
  • The male reproductive system is composed of the testes, seminal vessels, and penis.
  • Diseases of the reproductive tract are 1) congenital—affect the function of the gonads or development of reproductive organs, 2) infectious—STDs caused by arthropods, bacteria, Protista, or viruses, or 3) degenerative—abnormal growths, including cancer.
  • Basic understanding of mitosis and meiosis.
  • Embryogenesis occurs when the fertilized egg (zygote) undergoes its first mitosis. It continues mitosis about once every seven hours, forming a blastula, which embeds in the uterine lining. The blastula then develops into a gastrula, at which stage the germ layers form. The gastrula then develops into an embryo and then a fetus, at which time all the major organ systems form from the three germ layers.

Skills

Students are able to:

  • Gather, read, and interpret scientific information about the female reproductive system and its structure, including structures that help in the production, storage, and transport of eggs.
  • Gather, read, and interpret scientific information about the female reproductive system and its function, including the production, storage, and transport of eggs.
  • Gather, read, and interpret scientific information about the male reproductive system and its structure, including structures that help in the production, storage, and transport of sperm.
  • Gather, read, and interpret scientific information about the male reproductive system and its function, including the production, storage, and transport of sperm.
  • Compare and contrast the structures and functions of the female and male reproductive systems.
  • Communicate scientific information, in multiple formats (e.g., orally, graphically, textually) to explain differences between the structures and functions of the male and female reproductive systems.
  • Use scientific literature to identify conditions and diseases that affect the reproductive system.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.
  • Use a model to illustrate and describe what occurs during each stage of fetal development.

Understanding

Students understand that:

  • The reproductive system is made of several different tissues, and organs that produce, nourish, store, and release gametes.
  • The reproductive system closely interacts with the nervous and endocrine systems to regulate several reproductive processes (menstruation, ovulation, hormonal cycles.
  • Numerous cells, tissues, and organs are structurally designed to play several different roles in the reproductive process.
  • Genetic, environmental, and lifestyle factors can contribute to the development of reproductive disorders.
  • Lifestyle choices and various medications can help alleviate reproductive disorders.
  • Multiple systems interact to play a part in reproductive function and pathology.
  • The mother's circulatory system functions as a mode of transport (nutrient, gas, waste, etc.) for a developing baby.
  • The fetus develops various cells, tissues, organs, and systems that mature over a scheduled set of events that occur over a period of nine months.

Vocabulary

  • specialized germ cells
  • sexual dimorphism
  • secondary sex characteristics
  • puberty
  • genitalia (external and internal)
  • reproductive tract
  • mammary gland
  • uterus/womb
  • myometrium
  • endometrium
  • menstrual cycle
  • uterine fundus
  • cervix
  • ovarian ligament
  • ovum
  • ovarian follicles
  • oocytes
  • Graafian follicle
  • ovulation
  • estrogen
  • fallopian tubes
  • oviducts
  • broad ligaments
  • erectile tissue
  • lactiferous ducts
  • nipple
  • areola
  • lactation
  • scrotum
  • undescended testis/cryptorchidism
  • seminiferous tubules
  • epididymis
  • vas deferens
  • seminal vesicles
  • semen
  • prostate gland
  • Cowper's glands
  • corpus spongiosum
  • corpus cavernosum
  • dorsal vein
  • ovarian cycle
  • uterine cycle
  • preovulation phase
  • postovulation phase
  • proliferative phase
  • menses
  • embryogenesis
  • blastula/blastocyst
  • zygote
  • gastrula
  • embryo
  • fetus
  • germ layers (ectoderm, mesoderm, endoderm)
  • amniotic sac
  • amniotic fluid
  • sexually transmitted diseases
  • hypospadias
  • cancers (prostate, testicular, breast, cervical)
  • genital warts
  • fibroids
  • ectopic pregnancy
  • placenta previa
  • vesicoureteral reflux
  • andropause
  • impotence
  • menopause
  • prolapse
  • prostatic hypertrophy
  • testicular, ovarian, breast cancer
  • endometriosis
  • testicular torsion

SC15.HAP.11

Use models to differentiate the structures of the urinary system and to describe their functions.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Analyzing and Interpreting Data

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:
  • The kidneys are positioned on either side of the midline of the superior abdominal cavity. A renal vein and artery exit or enter each kidney at its hilus. The inside of the kidneys have an outer cortex, and inner medulla and a renal pelvis. Urine is collected in the renal pyramids of the medulla and then trains into calyces that lead to the renal pelvis. The ureters transport urine to the bladder for temporary storage until it is released from the body through the urethra.
  • Urination is controlled reflexively and voluntarily.
  • Urine is formed in three stages glomerular filtration, tubular reabsorption, and tubular secretion.
  • A combination of active and passive transport are responsible for water, nutrients and electrolytes being filtered back into the blood during reabsorption.
  • Homeostasis is maintained in the urinary system through urine formation, which is regulated by hormones.
  • Urinary system disorders are usually one of the following: congenital disorders, infection and inflammation, immune disorders, hormonal disorders, degenerative disorders or tumors. These can affect urine formation and therefore, homeostasis.

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the urinary system and its structure, including accessory structures.
  • Gather, read, and interpret scientific information about the urinary system and its function, including accessory structures.
  • Use models to identify urinary system organs.
  • Use models (macro and microscopic) to observe and determine difference in structure among urinary organs and tissues.
  • Use models to describe the function of the urinary system as it relates to its structure.
  • Use scientific literature to identify conditions and diseases that effect the urinary system system.
  • Gather and examine urinary disease empirical evidence to draw correlations and predict cause and effect relationships.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.

Understanding

Students understand that:
  • The urinary system plays a major role in the removal of wastes to maitain homeostasis in the body by acting as a filtering system for the blood in a series of processes that ends in the production of urine.
  • The urinary system is made of several different tissues, and organs that filter blood and create liquid waste.
  • The urinary system closely interacts with the cardiovascular system performing different types of cell transport between capillaries and nephrons.
  • Homeostatic factors contribute to the development of urinary disorders.
  • Lifestyle choices and various medications can help alleviate urinary disorders.
  • Multiple systems interact to play a part in urinary function and pathology.

Vocabulary

  • kidneys
  • umbilical cord
  • adipose capsule
  • hilus
  • renal artery
  • renal vein
  • renal fascia
  • retroperitoneal
  • renal cortex
  • renal medulla
  • renal pyramids
  • renal columns
  • renal pelvis
  • ureters
  • urinary bladder
  • transitional epithelium
  • internal urinary sphincter
  • rugae
  • urethra
  • external urethral sphincter
  • urethral orifice
  • micturition
  • incontinence
  • anuria
  • urinary retention
  • catheter
  • oliguria
  • polyuria
  • nephrons
  • renal tubules
  • glomerulus
  • bowman's capsule
  • corpuscle
  • afferent arteriole
  • peritubular capillary system
  • convoluted tubule (proximal and distal)
  • glomurular filtration
  • tubular reabsortion
  • tubular secretion
  • urinalysis
  • water conservation
  • urine concentration
  • diuresis
  • polycystic kidney disease
  • hemodialysis
  • glycosuria
  • aminoaciduria
  • urinary tract infection
  • urethritis
  • cystitis
  • pyelitis
  • pyelonephritis
  • dysuria
  • pyuria
  • glomeruleonephritis
  • hematuria
  • proteinuria
  • diuretics
  • renal failure (chronic and acute)
  • renal cell carcinoma
  • nephroptosis

SC15.HAP.12

Obtain and communicate information to explain the lymphatic organs and their structure and function.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:
  • The lymphatic system is composed of lymphatic glands, lymph nodes and lymph vessels.
  • The lymphatic system uses its own components, and cells derived from blood, to prevent and fight off infections.
  • The immune system is composed of several components: WBC's protect the body from disease and assist with repair after an injury, and the lymphatic system organs along with organs from other systems act as barriers and fight off many micoorganisms.
  • Innate immunity provides barriers agains infections while acquired immunity permits the body to recognize and fight specific infections.
  • The primary immune response is the first reaction to an antigen while the secondary immune response protects against subsequent infections.
  • A variety of disorders can diminish immune system function or increase its sensitivity
  • Immunodeficiency disorders (such as AIDS, HIV or SCID) cause the body to lose its ability to fight disease. Hypersensitivities are disorders in which the immune system overreacts to an antigen (allergies).

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the lymphatic system and its structure, including its various components.
  • Gather, read, and interpret scientific information about the lymphatic system and its function, including its various components.
  • Communicate scientific information, in multiple formats (e.g., orally, graphically, textually) to explain the structure and function of the lymphatic system, as a whole, and of its intrinsic parts.
  • Develop and use models based on evidence to illustrate and explain the body's lines of defense and innate immunity.
  • Develop and use models based on evidence to illustrate and explain the body's lines of defens and acquired immunity.
  • Use scientific literature to identify conditions and diseases that effect the lymphatic system.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.

Understanding

Students understand that:
  • The lymphatic system closely interacts with the cardiovascular system circulating along with it, helping with distributing hormones, nutrients, and wastes.
  • The lymphatic system is often called a secondary circulatory system and helps to maintain blood volume homeostasis.
  • Numerous organs and tissues are structurally designed to play several different roles in the lymphatic system.
  • The lymphatic system is made of several different tissues, and organs that provide defense again infections and environmental hazards.
  • The lymphatic system interacts with all other systems in the body to create specific immune responses.
  • Genetic, environmental, and lifestyle factors can contribute to the development of lymphatic disorders.
  • Lifestyle choices and various medications can help alleviate some lymphatic disorders.
  • Multiple systems interact to play a part in lymphatic function and pathology.

Vocabulary

  • edema
  • hilum (lymph node)
  • lymph
  • lymph gland
  • lymph node
  • lymph vessel
  • lymphatic sinuses
  • lymphatic trunk
  • spleen (red pulp, white pulp)
  • tonsils
  • acquired immunity
  • antibody (IgG, IgE, IgA, IgM, and IgD)
  • antigen
  • cell-mediated immunity
  • complement
  • Immunoglobulin
  • Inflammatory response
  • innate immunity
  • interferons
  • memory cell
  • natural killer cells
  • nonspecific immunity
  • plasma cell
  • primary immune response
  • secondary immune response
  • supressor T lymphocyte
  • Human immunodeficiency virus
  • hypersensitivities
  • allergies
  • acquired immunodeficiency syndrome [AIDS]
  • severe combined immunodeficiency [SCID]

SC15.HAP.13

Obtain, evaluate, and communicate information to support the claim that the endocrine glands secrete hormones that help the body maintain homeostasis through feedback loops.

Unpacked Content

Scientific and Engineering Practices

Analyzing and Interpreting Data; Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Structure and Function

Knowledge

Students know:
  • The endocrine system is composed of glands that produce endocrine secretions that go directly into the blood and are cellular signals.
  • Hormones work through a feedback loop—they attach to receptors on target cells, cause a metabolic change within the target cell, which causes the target cell (effector) to act in response to the stimulus or signal.
  • Chemicals that carry out the job of a hormone by turning on a cell response are called agonists.
  • Chemicals that carry out the job of a hormone by turning off a cell response are called antagonists.
  • There are two types of hormones—peptide hormones are usually involved in rapid body changes and lipid hormones play a role in body fluid control and sexual reproduction.
  • The human endocrine system is composed of ten endocrine glands: hypothalamus, pituitary, pineal, parathyroid glands, thyroid, thymus, adrenal, pancreas, ovary and testis.
  • Each of the endocrine glands produces specific hormones that effect various functions within the body.
  • Each endocrine gland needs some type of feedback signal to control its level of hormone production.
  • Diseases of the endocrine system can cause too much or too little hormone secretion.
  • Changes in hormone production contribute to aging.

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the endocrine system and its structure, including endocrine glands and the hormones they produce.
  • Evaluate, based on evidence, the claim that endocrine glands secrete hormones that help the body maintain homeostasis through feedback loops.
  • Communicate scientific information, in multiple formats (e.g., orally, graphically, textually) to explain the structure and function of the endocrine system, as a whole, and of its intrinsic parts.
  • Use scientific literature to identify conditions and diseases that effect the endocrine system.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.
  • Analyze data to determine a correlation and possible cause and effect relationship.

Understanding

Students understand that:
  • The endocrine system is composed of several glands throughout the body that secrete hormones to specific target tissues.
  • The endocrine system uses feedback loops to maintain homeostasis within the human body.
  • Genetic, environmental, and lifestyle factors can contribute to the development of endocrine disorders.
  • Lifestyle choices and various medications can help alleviate some endocrine disorders.
  • Multiple systems interact to play a part in endocrine function and pathology.

Vocabulary

  • ductless glands
  • endocrine glands
  • endocrine secretions
  • environmental signals
  • exocrine glands
  • exocrine secretions
  • hormones
  • receptors
  • target cells
  • ligand
  • surface receptor
  • internal receptor
  • effector
  • negative feedback
  • agonists
  • antagonists
  • peptide hormones
  • lipid hormones
  • pituitary gland (anterior and posterior)
  • hypothalamus
  • releasing hormones
  • oxytocin
  • prolactin
  • growth hormone
  • pineal gland
  • melatonin
  • serotonin
  • adrenal glands
  • glucocorticosterioids
  • cortisol
  • mineralcorticosteroids
  • adrenaline
  • epinephrine
  • thyroid gland
  • parathyroid gland
  • calcitonin
  • parathyroid hormone
  • pancreas
  • insulin
  • glucagon
  • thymus gland
  • thymosin
  • gonads (ovaries, testes)
  • estrogen
  • progesterone
  • testosterone
  • pituitary dwarfism
  • Addison's disease
  • diabetes mellitus
  • diabetes insipidus

SC15.PS.1

Use the periodic table as a model to predict the relative properties and trends (e.g., reactivity of metals; types of bonds formed, including ionic, covalent, and polar covalent; numbers of bonds formed; reactions with oxygen) of main group elements based on the patterns of valence electrons in atoms.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models

Crosscutting Concepts

Patterns

Knowledge

Students know:
  • The periodic table orders elements horizontally by the number of protons in the atom's nucleus and places those with similar chemical properties in columns.
  • The repeating patterns of the periodic table reflect patterns of outer electron states.

Skills

Students are able to:
  • Identify and describe of the main group elements.
  • Describe how the number of protons determines an elements place on the periodic table.
  • Predict patterns of behavior of an element based on its position on the Periodic Table.
  • Predict number and charges of stable ions formed from atoms in a compound.
  • Determine the number and type of bonds formed.
  • Predict numbers of protons, neutrons, and electrons based on periodic table information.

Understanding

Students understand that:
  • Students will understand how to propose an argument and defend their claim on electromagnetic radiation safety.
  • Non-ionizing radiation, such as those emitted in electronics.cannot cause immediate damage, but does interact with the body to potentially cause indirect damage, following long-term exposure.
  • Ionizing radiation, such as X-rays and gamma rays, can be hazardous.

Vocabulary

  • Periodic table
  • Valence electrons
  • Protons
  • Neutrons
  • Electrons
  • Family
  • Period
  • Covalent
  • Ionic
  • Oxidation number
  • Cations
  • Anions
  • Ions
  • Main group elements
  • Metal
  • Non-metal

SC15.PS.2

Plan and carry out investigations (e.g., squeezing a balloon, placing a balloon on ice) to identify the relationships that exist among the pressure, volume, density, and temperature of a confined gas.

Unpacked Content

Scientific and Engineering Practices

Planning and Carrying out Investigations

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • Gases can be compressed very tightly or expanded to fill a very large space.
  • As the temperature of a gas increases, the gas particles move faster and hit the sides of their container more frequently.
  • As the temperature of a gas decreases, the gas particles move more slowly and hit the sides of their container less frequently.

Skills

Students are able to:
  • Plan and carry out investigations to determine the relationship of the variables: pressure, temperature, volume, and density.
  • Create graphical representations of data from the investigation.
  • Analyze and interpret data from the investigation.
  • Communicate information collect from the investigations.
  • Use safe lab procedures.

Understanding

Students understand that:
  • The changes in volume, pressure and temperature of a gas demonstrate a pattern that can be related mathematically.
  • These relationships can be direct or indirect.

Vocabulary

  • Pressure
  • Volume
  • Temperature
  • Density
  • Mass
  • Gas
  • Solid
  • Liquid
  • Control
  • Dependent variable
  • Independent variable
  • Direct relationship
  • Indirect relationship
  • Molecular-kinetic theory of matter
  • Heat vs. temperature
  • States of matter

SC15.PS.3

Analyze and interpret data from a simple chemical reaction or combustion reaction involving main group elements.

Unpacked Content

Scientific and Engineering Practices

Analyzing and Interpreting Data

Crosscutting Concepts

Patterns

Knowledge

Students know:
  • The total number of atoms of each element in the reactant and products is the same.
  • The numbers and types of bonds (ionic, covalent) that each atom forms are determined by the outermost (valence) electron states and the electronegativity.
  • The outermost (valence) electron state of the atoms that make up both the reactants and the products of the reaction is based on the atom's position in the periodic table.

Skills

Students are able to:
  • Interpret data to determine the type of chemical reaction.
  • Analyze data to determine the patterns for each type of chemical reaction.
  • Balance simple chemical equations.
  • Write simple binary compound formulas and names.

Understanding

Students understand that:
  • The fact that atoms are conserved, together with knowledge of the chemical properties of the elements involved, can be used to describe and predict chemical reactions.
  • There is a causal relationship between the observable macroscopic patterns of reactivity of elements in the periodic table and the patterns of outermost electrons for each atom and its relative electronegativity.

Vocabulary

  • Products
  • Reactants
  • Reaction
  • Single replacement
  • Double replacement
  • Synthesis
  • Decomposition
  • Combustion
  • Chemical formula
  • solutions
  • Solutes
  • Solvents
  • Chemical reactions
  • Ions
  • ionic compounds

SC15.PS.4

Analyze and interpret data using acid-base indicators (e.g., color-changing markers, pH paper) to distinguish between acids and bases, including comparisons between strong and weak acids and bases.

Unpacked Content

Scientific and Engineering Practices

Analyzing and Interpreting Data

Crosscutting Concepts

Patterns

Knowledge

Students know:
  • An acid may be strong or weak, depending on its reaction with water to produce ions.
  • When an acid dissolves in water, a proton (hydrogen ion) is transferred to a water molecule and produces a hydronium ion.
  • A base may be strong or weak, depending on the number of hydroxide ions readily produced in solution.

Skills

Students are able to:
  • Recognize common inorganic acids including hydrochloric (muriatic) acid, sulfuric acid, acetic acid, nitric acid and citric acid.
  • Recognize common bases including sodium bicarbonate, and hydroxides of sodium, potassium, calcium, magnesium, barium and ammonium.
  • Use the pH scale to measure acidity or basicity.

Understanding

Students understand that:
  • Acids are compounds that contain hydrogen and can dissolve in water to release hydrogen ions in solution.
  • Bases are substances that dissolve in water to release hydroxide ions (OH-) into solution.
  • The neutralization of an acid with a base produces water and a salt.

Vocabulary

  • Acid
  • Base
  • Indicator
  • pH
  • Arrhenius theory
  • Strong acid/base
  • Weak acid/base
  • Neutralization
  • Titration

SC15.PS.5

Use mathematical representations to support and verify the claim that atoms, and therefore mass, are conserved during a simple chemical reaction.

Unpacked Content

Scientific and Engineering Practices

Using Mathematics and Computational Thinking

Crosscutting Concepts

Energy and Matter

Knowledge

Students know:
  • Matter can be understood in terms of the types of atoms present and the interactions both between and within them.
  • Chemical reactions, which underlie so many observed phenomena in living and nonliving systems alike, conserve the number of atoms of each type but change their arrangement into molecules.

Skills

Students are able to:
  • Students use the mole to convert between the atomic and macroscopic scale in the analysis.
  • Given a chemical reaction, students use the mathematical representations to predict the relative number of atoms in the reactants versus the products at the atomic molecular scale.
  • Given a chemical reaction, students use the mathematical representations to calculate the mass of any component of a reaction, given any other component.

Understanding

Students understand that:
  • When substances react chemically with other substances to form new substances with different proporties, the atoms are combined and rearranged to form new substances, but the total number of each atom is conserved and the mass does not change.
  • The property of conservation can be used to help describe and predict the outcomes of reactions.

Vocabulary

  • Atoms
  • Conservation
  • Chemical reaction
  • Mass
  • Balanced chemical equation
  • Reactants
  • Products
  • Molar mass
  • Avogadro's number
  • Stoichiometry
  • Ion
  • Molecule
  • Law of conservation of mass
  • Polyatomic ion

SC15.PS.6

Develop models to illustrate the concept of half-life for radioactive decay.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Engaging in Argument from Evidence; Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Systems and System Models; Energy and Matter

Knowledge

Students know:
  • The atom is made of protons, neutrons, electrons.
  • The types of radioactive decay include alpha, beta, and gamma.

Skills

Students are able to:
  • Exemplify the radioactive decay of unstable nuclei using the concept of half-life.
  • Perform simple half-life calculations based on an isotope's half-life value, time of decay, and/or amount of substance.
  • Cite specific textual evidence to support analysis of science and technical texts attending to the precise details of explanations or descriptions.
  • Determine the central ideas or conclusions of a text; trace the explanation or depiction of a complex process, phenomenon, or concept; provide an accurate summary of the text distinct from prior knowledge or opinions.
  • Engage in argument from evidence.
  • Communicate information.

Understanding

Students understand that:
  • Nuclear processes, including fusion, fission, and radioactive decays of unstable nuclei, involve release or absorption of energy.
  • Half-life can be used to date the age of organic objects.

Vocabulary

  • Atom
  • Isotopes
  • Protons
  • Neutrons
  • Electrons
  • Radioactivity
  • Half-life
  • Radioactive decay
  • Alpha particles
  • Beta particles
  • Positrons
  • Gamma
  • Fission
  • Fusion
  • Kinetic energy
  • Electromagnetic radiation
  • Emission
  • Nuclear power
  • Hydroelectric power
  • Solar power
  • Wind power
  • Penetrability
  • Fossil fuel combustion
  • Decay series

SC15.PS.7

Analyze and interpret data for one- and two-dimensional motion applying basic concepts of distance, displacement, speed, velocity, and acceleration (e.g., velocity versus time graphs, displacement versus time graphs, acceleration versus time graphs).

Unpacked Content

Scientific and Engineering Practices

Analyzing and Interpreting Data

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • A body is in motion if its position changes with respect to its surroundings.
  • A particle moving in a straight line undergoes one dimensional motion.
  • A particle moving along a curved path in a plane has two dimensional motion.

Skills

Students are able to:
  • Create graphs from sets of data points.
  • Identify distance and displacement as a scalar/ vector pair.
  • Identify speed and velocity as a scalar/ vector pair.
  • Describe motion mathematically in terms of an object's change of position, distance traveled, and displacement.
  • Apply concepts of average speed and average velocity to solve conceptual and quantitative problems.
  • Explain velocity as a relationship between displacement and time. (Δd=vΔt)
  • Explain acceleration as a relationship between velocity and time. (a=Δv/Δt)
  • Use graphical analysis to understand conceptual trends in displacement, velocity, acceleration, and time.
  • Use graphical analysis to solve for displacement, velocity, acceleration, and time.
  • Calculate velocity and acceleration from displacement vs. time graphs.

Understanding

Students understand that:
  • Motion graphs (displacement vs. time, velocity vs. time, and acceleration vs. time) for one- and two- dimensional motion may be used to derive (conceptual and mathematical) relationships of motion.

Vocabulary

  • Distance
  • Displacement
  • Scalar
  • Vector
  • Speed
  • Velocity
  • Acceleration
  • Equation of a line
  • Slope
  • Trend line

SC15.PS.8

Apply Newton’s laws to predict the resulting motion of a system by constructing force diagrams that identify the external forces acting on the system, including friction (e.g., a book on a table, an object being pushed across a floor, an accelerating car).

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models

Crosscutting Concepts

Systems and System Models

Knowledge

Students know:
  • An object will remain at rest or in uniform motion unless acted on by an outside force.
  • The velocity of an object changes when it is subjected to an external force.
  • Gravity's acceleration is different on different planets.
  • Air resistance is responsible for terminal velocity for objects in free fall.
  • The property of inertia as related to mass.
  • Forces must be unbalanced for an object to change its motion.
  • Friction is a force that opposes motion.

Skills

Students are able to:
  • Organize data that represent the net force on an object (mass and acceleration) via tables and graphs.
  • Construct force diagrams that identify all external forces acting on the system.
  • Explain (conceptually and mathematically) the relationship between force, mass, and acceleration. (The greater the force on an object, the greater its change in motion but the same amount of force applied to an object with more mass will result in less acceleration.)
  • Relate the difference between mass and weight. (Weight is a force dependent upon acceleration and mass is constant regardless of acceleration.)
  • Calculate weight when given mass. (Fg=mg)
  • Explain acceleration due to gravity as an example of uniformly changing velocity. (g=9.8 m/s2)
  • Relate the presence of air resistance to the concept of terminal velocity of an object in free fall.
  • Identify friction as a force that opposes motion of an object.
  • Classify the frictional forces present in different situations. (Sofa resting on the floor is static friction. A box pushed across the floor is sliding friction. A ball rolling across the floor is rolling friction. A boat moving through a river is fluid friction. An object in free-fall is fluid friction.)
  • Explain the property of inertia as related to mass. (An object at rest or at constant speed in a straight line will remain in that state unless acted upon by a force causing an unbalanced net force.)
  • Explain balanced and unbalanced forces mathematically and graphically with respect to acceleration to establish the relationship between net force, acceleration, and mass.

Understanding

Students understand that:
  • The motion of a system may be predicted by applying Newton's laws of motion to force diagrams that identify all external forces acting on the system.
  • Forces acting on an object affect the motion of that object.

Vocabulary

  • Weight
  • Mass
  • Gravity
  • Acceleration
  • Velocity
  • Terminal velocity
  • Free fall
  • Friction
  • Static friction
  • Rolling friction
  • Fluid friction
  • Inertia
  • Force
  • Balanced forces
  • Unbalanced forces
  • Net force
  • Action-reaction pairs
  • Vectors

SC15.PS.9

Use mathematical equations (e.g., $(m_1 v_1 + m_2 v_2) _{before} = (m_1 v_1 + m_2 v_2) _{after}$) and diagrams to explain that the total momentum of a system of objects is conserved when there is no net external force on the system.

Unpacked Content

Scientific and Engineering Practices

Using Mathematics and Computational Thinking

Crosscutting Concepts

Energy and Matter

Knowledge

Students know:
  • An object's momentum is a relationship between its mass and velocity.
  • Students know that total momentum of a system of objects is conserved in a collision when no net external forces act on the system.
  • Students know that total mechanical energy of a system of objects is conserved in a one-dimensional elastic collision when no net external forces act on the system.

Skills

Students are able to:
  • Define the system of the two interacting objects mathematically.
  • Define the system of the two interacting objects with diagrams. Infer how momentum is a relationship between mass and velocity of an object, ρ=mv.
  • Identify and describe mathematically the momentum of each object in the system as the product of its mass and its velocity.
  • Use diagrams to model, predict and describe the physical interaction (in an elastic collision) of the two objects in terms of the change in the momentum of each object as a result of the interaction.
  • Use mathematical representations to model, predict and describe the physical interaction (in an elastic collision) of the two objects in terms of the change in the momentum of each object as a result of the interaction.
  • Use mathematical representations to model, predict and describe the physical interaction (in an elastic collision) of the two objects in terms of the change in the mechanical energy of each object as a result of the interaction.

Understanding

Students understand that:
  • If a system interacts with objects outside itself, the total momentum of the system can change; however, any such change is balanced by changes in the momentum of objects outside the system.

Vocabulary

  • Momentum
  • Mass
  • Velocity
  • Elastic collisions
  • Inelastic collisions
  • Conservation of momentum
  • Conservation of mechanical energy
  • External force

SC15.PS.10

Construct simple series and parallel circuits containing resistors and batteries and apply Ohm’s law to solve typical problems demonstrating the effect of changing values of resistors and voltages.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • A series circuit is a closed circuit in which resistors are arranged in a chain and the current follows only one path.
  • A parallel circuit is a closed in which the current divides into two or more paths before recombining to complete the circuit.
  • A multimeter is a device consisting of one or more meters, as an ammeter and voltmeter, used to measure two or more electrical quantities in an electric circuit, as voltage, resistance, and current.
  • Energy can be transferred from place to place by electric currents.

Skills

Students are able to:
  • Construct a series circuit with resistors (bulbs) and batteries.
  • Construct a parallel circuit with resistors (bulbs) and batteries.
  • Use a multimeter to take data of amps, ohms and volts for the circuits.
  • Use Ohm's law to verify your circuit current, resistance, and voltage amounts.

Understanding

Students understand that:
  • Energy released by electricity can move from place to place.
  • Ohm's law formulas may be used to calculate electrical values to design circuits.and use electricity in a useful way.

Vocabulary

  • Circuit
  • Resistor
  • Wire
  • Battery
  • Bulbs
  • Capacitor
  • Conductor
  • Insulator
  • Charge
  • Amps
  • Volts
  • Ohms
  • Multimeter

SC15.PS.11

Design and conduct investigations to verify the law of conservation of energy, including transformations of potential energy, kinetic energy, thermal energy, and the effect of any work performed on or by the system.

Unpacked Content

Scientific and Engineering Practices

Planning and Carrying out Investigations

Crosscutting Concepts

Energy and Matter

Knowledge

Students know:
  • Energy cannot be created or destroyed, but it can be transported from one place to another and transferred between systems.
  • Properties of materials cause different materials to absorb and release energy differently.
  • Conduction, convection, and radiation are methods of energy transfer.
  • Energy can be conserved when there are changes in potential, kinetic, or heat energy.

Skills

Students are able to:
  • Compare thermal energy, heat, and temperature.
  • Compare scenarios in which work is done and explain the differences in magnitude of work done using the relationship W=FΔd
  • Infer the ability of various materials to absorb or release thermal energy in order to relate mass, specific heat capacity and temperature of materials to the amount of heat transferred (q=mCΔT).
  • Relate phase changes to latent heat that changes the potential energy of particles while the average kinetic energy of particles (temperature) remains the same.
  • Compare conduction, convection, and radiation as methods of energy transfer.
  • Exemplify the relationships between kinetic energy, potential energy, and heat to illustrate that total energy is conserved in mechanical systems such as a pendulum, roller coaster, carts/balls on ramps.
  • Relate types of friction in a system to the transformation of mechanical energy to heat.
  • Explain scenarios in which work is done identifying the force, displacement, and energy transfer. (When work is done on an object, the result is an increase in its energy and is accompanied by a decrease in energy elsewhere.)

Understanding

Students understand that:
  • Conservation of energy means that the total change of energy in any system is always equal to the total energy transferred into or out of the system.

Vocabulary

  • System
  • Energy
  • Mechanical
  • Temperature
  • Conduction
  • Convection
  • Radiation
  • Friction
  • Force
  • Specific heat capacity
  • Latent heat
  • Heat of vaporization
  • Law of Conservation of energy
  • Transformation
  • Potential energy
  • Kinetic energy
  • Thermal energy
  • Heat
  • Work
  • Phase changes

SC15.PS.12

Design, build, and test the ability of a device (e.g., Rube Goldberg devices, wind turbines, solar cells, solar ovens) to convert one form of energy into another form of energy.*

Unpacked Content

Scientific and Engineering Practices

Constructing Explanations and Designing Solutions

Crosscutting Concepts

Energy and Matter

Knowledge

Students know:
  • Energy can be converted from one form to another in a designed system.
  • Energy can manifest itself in many ways at the macroscopic level such as motion, sound, light and thermal energy.
  • No system can be 100% efficient.

Skills

Students are able to:
  • Identify the scientific principles that provide the basis for the energy conversion design.
  • Identify the forms of energy that will be converted from one form to another in the designed system.
  • Identify losses of energy by the design system to the surrounding environment.
  • Describe the scientific rationale for choices made for materials and structure of their device in their design plan.
  • Use results of the tests to improve the device performance by increasing the efficiency of energy conversion.
  • Determine the component simple machines that make up complex machines such as categorizing a wedge and screw as a variation of an inclined plane; a pulley and wheel/ axle as a variation of a lever.
  • Explain the relationship between work input and work output for simple machines using the law of conservation of energy. (W = FΔd)
  • Define and determine ideal and actual mechanical advantage. (IMA = dE/dR AMA = FR/FE)
  • Define and determine efficiency of machines. (Wout/Win x 100%)
  • Explain why no machine can be 100% efficient.

Understanding

Students understand that:
  • In designing a system for energy storage, for energy distribution, or to perform some practical task, it is important to design for maximum efficiency—thereby ensuring that the largest possible fraction of the energy is used for the desired purpose rather than being transferred out of the system in unwanted ways.
  • Changes of energy and matter in a system can be described in terms of energy and matter flows into, out of, and within that system.

Vocabulary

  • Energy
  • Force
  • Machine
  • Simple machine
  • Complex machine
  • Wedge
  • Screw
  • Inclined plane
  • Pulley
  • Wheel
  • Axle
  • Lever
  • Work
  • Conservation of energy
  • Ideal mechanical advantage
  • Actual mechanical advantage
  • Efficiency
  • Heat
  • Temperature

SC15.PS.13

Use mathematical representations to demonstrate the relationships among wavelength, frequency, and speed of waves (e.g., the relation v = $lambda$ f) traveling in various media (e.g., electromagnetic radiation traveling in a vacuum and glass, sound waves traveling through air and water, seismic waves traveling through Earth).

Unpacked Content

Scientific and Engineering Practices

Using Mathematics and Computational Thinking

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • Waves are a repeating pattern of motion that transfers energy from place to place without overall displacement of matter.
  • A simple wave has a repeating pattern of specific wavelength, frequency, and amplitude.

Skills

Students are able to:
  • Use mathematics and computational thinking to solve for one wave component/variable when the other two are given.
  • Predict the change in a wave as it passes through different media.
  • Compare and contrast longitudinal and transverse waves.
  • Construct ray diagrams as light is refracted or reflected through/ from different media.
  • Label the components of a wave.
  • Classify waves as electromagnetic, mechanical or surface.

Understanding

Students understand that:
  • The wavelength and frequency of a wave are related to one another by the speed of travel of the wave, which depends on the type of wave and the medium through which it is passing.

Vocabulary

  • Wavelength
  • Frequency
  • Period
  • Amplitude
  • Velocity
  • Medium
  • Longitudinal wave
  • Transverse wave
  • Surface wave
  • Mechanical
  • Refraction
  • Light
  • Sound
  • Reflection
  • Diffraction
  • Interference

SC15.PS.14

Propose and defend a hypothesis based on information gathered from published materials (e.g., trade books, magazines, Internet resources, videos) for and against various claims for the safety of electromagnetic radiation.

Unpacked Content

Scientific and Engineering Practices

Engaging in Argument from Evidence

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • Electromagnetic radiation (e.g., radio, microwaves, light) can be modeled as a wave pattern of changing electric and magnetic fields or, alternatively, as particles.
  • Electromagnetic radiation may be ionizing or non-ionizing type. Non-ionizing type of radiation is used in common electronic devices.
  • Non-ionizing type of radiation is used in common electronic devices.

Skills

Students are able to:
  • Identify types of electromagnetic radiation.
  • Select credible resources from the Internet and AVL for use in the argument.
  • Categorize electromagnetic radiation according to safety levels for humans.
  • Cite specific textual evidence to support analysis of science and technical texts.
  • Determine the central ideas or conclusions of a text; trace the explanation or depiction of a complex process, phenomenon, or concept; provide an accurate summary of the text distinct from prior knowledge or opinions.
  • Engage in argument from evidence on the safety of electromagnetic radiation.

Understanding

Students understand that:
  • Non-ionizing radiation, such as those emitted in electronics, cannot cause immediate damage, but does interact with the body to potentially cause indirect damage, following long-term exposure.
  • Ionizing radiation, such as X-rays and gamma rays, can be hazardous.

Vocabulary

  • Electromagnetic waves
  • E/M spectrum
  • Visible light
  • Microwaves
  • Frequency
  • Radio frequencies
  • Video terminals
  • Magnetic fields
  • Internet resources
  • Ionizing radiation
  • Non-ionizing radiation
  • Wavelength

SC15.PS.15

Obtain and communicate information from published materials to explain how transmitting and receiving devices (e.g., cellular telephones, medical-imaging technology, solar cells, wireless Internet, scanners, Sound Navigation and Ranging [SONAR]) use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.

Unpacked Content

Scientific and Engineering Practices

Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Energy and Matter

Knowledge

Students know:
  • Three ways that waves may interact with matter are reflection, refraction, and diffraction.
  • The controlled use of waves have applications in science. Wave types vary based on wave speed, type of material (medium) required, motion of particles, and how they are produced.
  • Solar cells are human-made devices that likewise capture the sun's energy and produce electrical energy. Photoelectric materials emit electrons when they absorb light of a high-enough frequency.
  • When a light wave encounters an object, they are either transmitted, reflected, absorbed, refracted, polarized, diffracted, or scattered depending on the composition of the object and the wavelength of the light.

Skills

Students are able to:
  • Cite specific textual evidence to support analysis of science and technical texts attending to the precise details of explanations or descriptions.
  • Determine the central ideas or conclusions of a text; trace the explanation or depiction of a complex process, phenomenon, or concept; provide an accurate summary of the text distinct from prior knowledge or opinions.
  • Communicate information.

Understanding

Students understand that:
  • Multiple technologies based on the understanding of waves and their interactions with matter are part of everyday experiences in the modern world (e.g., medical imaging, communications, scanners) and in scientific research.
  • Transmitting and receiving devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.
  • Information can be digitized (e.g., a picture stored as the values of an array of pixels); in this form, it can be stored reliably in computer memory and sent over long distances as a series of wave pulses.

Vocabulary

  • Transmit
  • Receive
  • Devices
  • Waves
  • Frequency
  • Wavelength
  • Amplitude
  • Period
  • Velocity
  • Longitudinal waves (compression)
  • Transverse waves
  • Rarefactions
  • Interference (constructive and destructive)
  • Superposition
  • Reflection
  • Refraction
  • Wave behavior
  • Wave interactions
  • Matter
  • Capture
  • Energy

SC15.PHYS.1

Investigate and analyze, based on evidence obtained through observation or experimental design, the motion of an object using both graphical and mathematical models (e.g., creating or interpreting graphs of position, velocity, and acceleration versus time graphs for one- and two-dimensional motion; solving problems using kinematic equations for the case of constant acceleration) that may include descriptors such as position, distance traveled, displacement, speed, velocity, and acceleration.

Unpacked Content

Scientific and Engineering Practices

Planning and Carrying out Investigations

Crosscutting Concepts

Scale, Proportion, and Quantity

Knowledge

Students know:
  • How to use mathematical computations to solve for the motion of an object.
  • How to analyze both linear and nonlinear graphs of motion.
  • Laboratory safety procedures.
  • Appropriate units of measure.
  • Basic trigonometric functions of sine, cosine and tangent.
  • How to determine area under a curve on a graph.

Skills

Students are able to:
  • Manipulate kinematic equations of motion.
  • Interpret graphical data.
  • Create graphical representations of data.
  • Collect and organize experimental data.
  • Follow written and verbal instructions.
  • Make measurements of distance and time using standard units.
  • Manipulate laboratory equipment.
  • Work safely in collaborative lab groups.

Understanding

Students understand that:
  • The motion of an object can be predicted using mathematical models and graphical models.

Vocabulary

  • model
  • graph
  • instant
  • interval
  • position
  • velocity
  • acceleration
  • displacement
  • distance
  • speed
  • average speed
  • average velocity
  • experimental design
  • kinematic equations
  • investigation
  • analyze
  • trajectory
  • projectile
  • range
  • slope
  • area under curve
  • intercepts
  • vector
  • scalar
  • coordinates
  • origin
  • magnitude
  • units of measure
  • significant figures
  • trigonometric functions

SC15.PHYS.2

Identify external forces in a system and apply Newton’s laws graphically by using models such as free-body diagrams to explain how the motion of an object is affected, ranging from simple to complex, and including circular motion.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models; Using Mathematics and Computational Thinking

Crosscutting Concepts

Systems and System Models

Knowledge

Students know:
  • How to use mathematical computations to solve for net force on an object.
  • How to use mathematical computations to solve for kinematics variables.
  • Appropriate units of measure.
  • How to identify the system.
  • Basic trigonometric functions of sine, cosine and tangent.

Skills

Students are able to:
  • Manipulate equations.
  • Complete mathematical computations.
  • Interpret graphical data.
  • Create graphical representations of data.
  • Follow written and verbal instructions.
  • Draw force diagrams.
  • Identify the forces acting on an object.

Understanding

Students understand that:
  • Net force causes objects to change their motion.

Vocabulary

  • model
  • graph
  • instant
  • interval
  • position
  • velocity
  • acceleration
  • displacement
  • distance
  • speed
  • average speed
  • average velocity
  • kinematic equations
  • analyze
  • slope
  • intercepts
  • vector
  • scalar
  • coordinates
  • origin
  • magnitude
  • units of measure
  • significant figures
  • circular motion
  • centripetal force
  • friction
  • tension
  • normal
  • trigonometric functions
  • perpendicular
  • radius
  • circumference
  • period
  • frequency
  • pi
  • trajectory
  • projectile
  • range
  • free-body diagram
  • force diagram
  • net force
  • inertia
  • action-reaction
  • proportional
  • force
  • mass
  • system
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