SC15.4.6

Science (2015) Grade(s): 4

SC15.4.6

Develop a model of waves to describe patterns in terms of amplitude and wavelength, and including that waves can cause objects to move.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models

Crosscutting Concepts

Patterns

Knowledge

Students know:
  • Waves can be described in terms of patterns of repeating amplitude and wavelength (e.g., in a water wave there is a repeating pattern of water being higher and then lower than the baseline level of the water).
  • Waves can cause an object to move.
  • The motion of objects varies with the amplitude and wavelength of the wave carrying it.
  • The patterns in the relationships between a wave passing, the net motion of the wave, and the motion of an object caused by the wave as it passes.
  • How waves may be initiated (e.g., by disturbing surface water or shaking a rope or spring).
  • The repeating pattern produced as a wave is propagated.
  • Waves, which are the regular patterns of motion, can be made in water by disturbing the surface. When waves move across the surface of deep water, the water goes up and down in place; there is no net motion in the direction of the wave except when the water meets a beach.
  • Waves of the same type can differ in amplitude (height of the wave) and wavelength (spacing between wave peaks).

Skills

Students are able to:
  • Develop a model to make sense of wave patterns that includes relevant components (i.e., waves, wave amplitude, wavelength, and motion of objects).
  • Describe patterns of wavelengths and amplitudes.
  • Describe how waves can cause objects to move.

Understanding

Students understand that:
  • There are similarities and differences in patterns underlying waves and use these patterns to describe simple relationships involving wave amplitude, wavelength, and the motion of an object.

Vocabulary

  • Patterns
  • Propagated
  • Waves
  • Wave amplitude
  • Wavelength
  • Net motion
  • Model
  • Relevant components
  • Peaks

Aligned Learning Resources

Waves in Slow Motion
Blow Me Away!
Riding the Waves!
Anatomy of the Wave
Making Waves With Spiderwebs
Chicken in a Cup
Wonderful Waves
Soundwave Art
Musical Instruments and the Science of Sound
Water Wave Motion
Sound StudyJam
Describing a Wave
Wave Traits | NASA Online
Audio Engineer | Kids Work!
Parts and Sizes of Waves
Introduction to Waves
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