Unit 6 Sound

Sounds are ...

• a type of force

• a type of electricity

• vibrations that travel through the air to your ears

How does sounds travel?

• sounds travel in waves.

• sounds travel slow.

• sounds doesn't travel.

Sounds travel fast through ...

• gas

• liquid

• solids/metals

An object that does not vibrate cannot produce

• sound

• light

• heat

A place where no sounds exists is ...

• under water

• space

• in the air

All musical instruments create sounds through ...

• hitting

• blowing

• vibrations

Another word for quiet is ...

• high

• faint

• low

Sound need a medium to travel.

• True

• False

When people speak, their _________ vibrate.

• ears

• vocal chords

Which of the following is an example of sound traveling through a solid?

• When you hear things underwater.

• When you hear people in another room.