Sound Energy

Sound is caused by? 

• force
• vibrations
• instruments

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Sound is a form of? 

• energy
• pitch
• volume

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

What is volume?

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

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.

Pitch can be changed by changing how fast the object _____________.

• vibrates
• changes
• velocity
• shifts

Low pitches are produced by objects vibrating _______________.

• quickly
• slowly

High pitches are produced by objects vibrating _______________.

• quickly
• slowly

If a sound bounces back it is called ______________.

• frequency
• sound
• pitch
• an echo