Sound energy

Front

What is vibration?

Back

the back and forth movement of matter

Front

What is frequency?

Back

the number of vibrations per second

Front

Measure of how high or low a sound is

Back

pitch

Front

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

Back

lower

Front

Sound is a form of?

Back

energy

Front

What type of materials REFLECT sound? Options: hard materials, smooth materials, porous materials

Back

both hard and smooth materials

Front

The ___________________ is how loud or soft a sound is.

Back

volume

Front

In which medium will sound travel slowest? (Options: air, water, glass, salt water)

Back

air

Front

Which of the following determines the pitch of a sound wave? Options: frequency, density, mass, reflection

Back

frequency

Front

Why is the school library covered with carpet?

Back

to help absorb sounds to keep it quiet