BrainPOP Jr. - Sound

1. Which parts of our ears vibrate to help us hear?

• A. earrings

• B. waves

• C. eardrums

• D. vocal cords

2. Which describes how loud or soft a sound is?

• A. echo

• B. pitch

• C. volume

• D. vocal cord

Tags

NGSS.MS-PS4-1

3. Which sound has the lowest volume?

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• 
• 
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Tags

NGSS.MS-PS4-1

4. What happens when you hear an echo?

• A. Sound waves bounce back to your ear.

• B. Sound waves become faster and stronger.

• C. Sound waves stop moving back and forth.

• D. Sound waves stop things from vibrating.

Tags

NGSS.MS-PS4-2

5. Which pair of words are opposites?

• A. shout, scream

• B. whisper, roar

• C. bellow, shriek

• D. holler, howl