Sound

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

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

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

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity