7th grade unit 3 Review

Front

What happens to wave energy as wave frequency increases?

Back

Wave energy increases.

Front

What is the term for the place where a longitudinal wave is close together?

Back

Compression.

Front

Which color of light has the longest wavelength?

Back

Red.

Front

What is the part of a longitudinal wave that is farthest apart?

Back

Rarefaction.

Front

What are the squeezed together parts of a longitudinal wave called?

Back

Compression.

Front

Define wave frequency.

Back

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

Front

What is a longitudinal wave?

Back

A wave in which the particles of the medium move parallel to the direction of the wave.

Front

What is a crest in a wave?

Back

The highest point of a wave.

Front

What is a trough in a wave?

Back

The lowest point of a wave.

Front

Explain the relationship between wavelength and energy in waves.

Back

As wavelength increases, energy decreases.