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Grade 4scienceExplaining that sound travels through vibrations and that light can reflect from objects and travel to the eye.

Sound and Light Waves

Practice how sound travels and how light reflects in 10 problems with an answer key. Free printable PDF for Grade 4.

10 problems · Standards: 4-PS3-2, 4-PS4-2 · Difficulty: medium

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✅ Answer key included · ✅ Free for home & classroom use

Highlights

Grade: Grade 4
Subject: science
Topic: Explaining that sound travels through vibrations and that light can reflect from objects and travel to the eye.
Pages: 2 · worksheet + answer key
Answer key: ✅ Included
Class time: about 15 min

1. When you pluck a guitar string, it moves back and forth quickly. What is this back-and-forth motion called?
2. You look at a red apple on the table. Does light travel FROM the apple TO your eye, or FROM your eye TO the apple?
3. Marcus taps a drum with his hand. What must happen to the drum surface for it to make a sound?
4. A flashlight shines on a mirror. What does the mirror do to the light?
5. Sofia hears a bell ringing in the classroom. The sound travels from the bell to her ear through vibrations in what substance?
6. You see a blue backpack hanging on a hook. Light from a lamp bounces off the backpack and then travels where?

Showing 6 of 10 problems. The free PDF includes every problem plus the full answer key.

The free PDF includes all 2 pages — every problem plus the full answer key.

10 problems across 2 pages (worksheet + answer key)
Answer key included — every answer, ready to check
Standards: 4-PS3-2, 4-PS4-2
Skill: Explaining that sound travels through vibrations and that light can reflect from objects and travel to the eye.
Suggested use: classwork, homework, or sub plans

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