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Printable 4th grade science worksheet on light waves with questions about diffraction, interference, and a wave-labeling diagram.
Worksheet

Light Is a Wave: Science Experiment Part 1

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This printable science worksheet introduces 4th graders to light as a wave through 14 open-response questions and a hands-on wave-labeling activity. Students explore wave properties (peaks, troughs, wavelength), key scientists (Newton, Young), and concepts like diffraction, constructive interference, and destructive interference. Useful as a companion to a light-wave experiment, for unit review, or as homework on wave behavior.

Subject:
Science
Topic:
Physics
Grade Level:
4th Grade
Updated May 2026

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