Physical & Chemical Changes of Matter StudyJam

Learning Resource Type

Classroom Resource

Subject Area

Science

Grade(s)

2, 5

Overview

Physical changes mean matter changes size or shape, not its atomic makeup. Chemical and nuclear changes alter matter on an atomic level.

The classroom resource provides a video that will explain the difference between physical and chemical changes of matter. This resource can provide background information for students before they conduct their own investigations. There is also a short test that can be used to assess students' understanding.

Science (2015) Grade(s): 2

SC15.2.4

Provide evidence that some changes in matter caused by heating or cooling can be reversed (e.g., heating or freezing of water) and some changes are irreversible (e.g., baking a cake, boiling an egg).

UP:SC15.2.4

Vocabulary

  • Properties
  • Evidence
  • Change
  • Matter
  • Heating
  • Cooling
  • Reversible
  • Irreversible

Knowledge

Students know:
  • Characteristics of materials before heating or cooling.
  • Characteristics of materials after heating and cooling.
  • Characteristics of materials when heating or cooling is reversed.

Skills

Students are able to:
  • Analyze evidence to support a claim that heating and cooling causes change in matter.

Understanding

Students understand that:
  • Heating or cooling a substance may cause changes that can be observed. Sometimes these changes are reversible and sometimes they are not.

Scientific and Engineering Practices

Engaging in Argument from Evidence

Crosscutting Concepts

Cause and Effect
Science (2015) Grade(s): 5

SC15.5.2

Investigate matter to provide mathematical evidence, including graphs, to show that regardless of the type of reaction (e.g., new substance forming due to dissolving or mixing) or change (e.g., phase change) that occurs when heating, cooling, or mixing substances, the total weight of the matter is conserved.

UP:SC15.5.2

Vocabulary

  • Quantitative measurements (mass, weight, standard unit)
  • Physical quantities (weight, time, temperature, volume)
  • Property changes
  • Matter
  • Reaction
  • Heating
  • Cooling
  • Mixing
  • Physical properties
  • Conservation of matter
  • Graphing

Knowledge

Students know:
  • The amount (weight) of matter is conserved when it changes form, even in transitions in which it seems to vanish.
  • No matter what reaction or change in properties occurs, the total weight of the substances does not change. (Boundary: Mass and weight are not distinguished at this grade level.)

Skills

Students are able to:
  • Measure and graph the given quantities using standard units, including: the weight of substances before they are heated, cooled, or mixed and the weight of substances, including any new substances produced by a reaction, after they are heated, cooled, or mixed.
  • Measure and/or calculate the difference between the total weight of the substances (using standard units) before and after they are heated, cooled, and/or mixed.
  • Describe the changes in properties they observe during and/or after heating, cooling, or mixing substances.
  • Use their measurements and calculations to describe that the total weights of the substances did not change, regardless of the reaction or changes in properties that were observed.
  • Use measurements and descriptions of weight, as well as the assumption of consistent patterns in natural systems, to describe evidence to address scientific questions about the conservation of the amount of matter, including the idea that the total weight of matter is conserved after heating, cooling, or mixing substances.

Understanding

Students understand that:
  • Standard units are used to measure and describe physical quantities such as weight and can be used to demonstrate the conservation of the total weight of matter.

Scientific and Engineering Practices

Using Mathematics and Computational Thinking

Crosscutting Concepts

Scale, Proportion, and Quantity

CR Resource Type

Audio/Video

Resource Provider

http://studyjams.scholastic.com/

License Type

Custom
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