Waves and Sound Concepts

Front

What do waves transfer?

Back

Energy

Front

Draw the amplitude of a wave.

Back

distance between normal / resting position and top of crest/peak or bottom of trough

Front

True or False? The ossicles are tiny bones in the middle ear that amplify sound.

Back

True

Front

What is the speed of light in a vacuum in units of m/s?

Back

300, 000 000 m/s

Front

True or False? The frequency of ultrasound is 20,000Hz and can be used to make images of unborn babies.

Back

True

Front

There are two types of wave. Name the type of wave that the sound of thunder makes?

Back

Longitudinal wave

Front

What produces a sound wave?

Back

a vibration

Front

What is the unit of frequency?

Back

Hertz (Hz)

Front

Longitudinal waves have areas of compression and areas of

r _ _ _ f _ _ _ _ _ n

Back

rarefaction

Front

When a sound reflects off a surface what does it produce?

Back

an echo