Sound

Front

How does sound travel?

Back

Sound travels in waves.

Front

What is made when something vibrates?

Back

Sound.

Front

What happens when we hear an echo?

Back

Sound is reflected off a surface and repeated back.

Front

Can sounds be reflected, absorbed, or transferred?

Back

Yes.

Front

Which sound would have the highest pitch?

Back

A whistle.

Front

What is the term for the distance between two consecutive peaks of a sound wave?

Back

Wavelength.

Front

What do we call the number of vibrations per second in a sound wave?

Back

Frequency.

Front

What is the unit of measurement for frequency?

Back

Hertz (Hz).

Front

What is the term for a sound that is too low for humans to hear?

Back

Infrasound.

Front

What is the term for a sound that is too high for humans to hear?

Back

Ultrasound.