BrainPopJr Sound

Which describes how loud or soft a sound is?

• echo

• pitch

• volume

• vocal cord

Tags

NGSS.MS-PS4-1

Which sound has the lowest volume?

• car

• drum

• train

• mouse

What happens when you hear an echo?

• Sound waves bounce back to your ear.

• Sound waves become faster and stronger.

• Sound waves stop moving back and forth.

• Sound waves stop things from vibrating.

Tags

NGSS.MS-PS4-2

Which pair of words are antonyms/opposites?

• shout, scream

• whisper, roar

• bellow, shriek

• holler, howl

Which is FALSE?

• Sound waves can bounce off things.

• Sound waves can be seen all around us.

• Sound waves can travel through air.

• Sound waves can travel through solids.

Tags

NGSS.MS-PS4-2

Which has the highest pitch? Look at the pictures.

• A - boat

• B - drum

• C - triangle instrument

• D - phone

How do earplugs work?

• They help raise the volume of the sound.

• They help make the pitch of the sound higher.

• They help make the pitch of the sound lower.

• They block most of the sound waves from your ears.

Tags

NGSS.MS-PS4-2

How are sound and light alike?

• Both can help you hear.

• Both can travel through all solids.

• Both are kinds of energy.

• Both can always be seen.

Tags

NGSS.MS-PS4-2

Mia hits a triangle during music class to hear the sound. Which happens LAST?

• Sound waves travel through the air.

• The metal vibrates and makes sound waves.

• Mia hits a triangle during music class.

• Sound waves vibrate Mia's eardrums.

Which parts of our ears vibrate to help us hear?

• earrings

• waves

• eardrums

• vocal cords