Sound - BrainPOP Jr.

Which parts of our ears vibrate to help us hear?

• earrings

• waves

• eardrums

• vocal cords

Tags

NGSS.MS-PS4-2

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?

• 
• 
• 
• 

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 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

How are sound and light alike?

• Sound and light are both kinds of energy.

• Sound and light can travel through solids.

• Both sound and light waves help you hear.

• Both sound and light waves can be seen.

Which has the highest pitch?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-1

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.

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