Sound

Sound is caused by....

• molecules
• vibrations
• people
• space

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

Sound is caused by? 

• force
• vibrations
• instruments

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

What medium (solid, liquid, gas) does sound travel fastest through?

• solid
• liquid
• gas

Sound is a form of? 

• energy
• pitch
• volume

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume