Sound Basics Practice Test

Front

Sound travels
Options:
In waves
In all directions
Away from the source
All of the above

Back

All of the above

Front

Which sound wave represents a low pitch and low frequency?

Back

Sound B

Front

Which wave has a greater amplitude? Solid Line, Dotted Line

Back

Solid Line

Front

Which wave has the highest pitch?

Back

3

Front

Which wave has the quietest volume?

Back

1

Front

Sound is caused by

Back

vibrations

Front

What is a sound vibration?

Back

the back and forth movement of air particles

Front

Why can't we hear sound in space?

Back

Space has no mass--no gas/ no solids/ no liquids.

Front

the length of one wave cycle

Back

wavelength

Front

What is frequency?

Back

the number of vibrations per second