Waves & Sound

Front

What type of sound does a sound wave with low amplitude produce?

Back

Soft sound.

Front

What is the distance from the resting position to the crest of a wave called?

Back

Amplitude.

Front

Why can't sound travel through outer space?

Back

There is almost no matter in outer space, so the vibrations have no way to travel through the atmosphere. There is nothing to carry the sound waves through space.

Front

Why does a thick rubber band make a lower-pitched sound than a thin rubber band?

Back

The thick rubber band moves slower.

Front

What is the horizontal distance between crests of a wave called?

Back

Wavelength.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another.

Front

What is sound?

Back

Sound is a type of wave that travels through air, water, or solid materials.

Front

What is frequency?

Back

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

Front

What is pitch?

Back

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

Front

What is a vacuum?

Back

A vacuum is a space that is completely empty of matter, where sound cannot travel.