Waves of Sound Mystery Science Unit Review

Front

What do sound waves look like?

Back

Sound waves look like ripples in a pond, spreading out in the air.

Front

Can sound travel through empty space?

Back

No, sound cannot travel through empty space.

Front

What is the term for how squished together or spread out a wave is?

Back

Wavelength.

Front

What device shows sound waves like a graph in a sideways view?

Back

Oscilloscope.

Front

What does a vacuum pump do?

Back

It can remove all the air from a container.

Front

What is a wave?

Back

A wave is a disturbance that travels through space and matter, transferring energy.

Front

What is pitch?

Back

Pitch is how high or low a sound is, determined by the frequency of the sound wave.

Front

What is vibration?

Back

Vibration is the rapid back-and-forth movement of an object, which creates sound.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second.

Front

What is amplitude?

Back

Amplitude is the height of a wave, which determines the loudness of the sound.