4th Grade Waves and Light Practice Worksheets
Ages 9-10 · Free previews · Print-ready PDFs
Written by Adi Ackerman, Head Teacher
Waves and light practice for 4th grade, each with an answer key. Students compare wave amplitude and wavelength, read how reflected light lets us see, sort light sources from reflectors, follow light through a periscope and decode light flashes and Morse code.
Frequently Asked Questions
A wave is a repeating pattern of motion that carries energy, not matter, from place to place. A wave's amplitude is its height from the middle up to the crest, and its wavelength is the distance from one crest to the next. Stormy ocean waves have a bigger amplitude and carry more energy than calm ones (4-PS4-1).
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