Sound Review

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

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

• louder
• softer
• higher
• lower

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 medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

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.

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 moves in a _________.

• Transverse wave
• Longitudinal wave

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Which of these sound waves has the highest frequency?

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