8.2: Energy & Waves

Front

What is the distance from one wave crest to the next wave crest called?

Back

Wavelength

Front

What changes when a wave passes from one medium to another?

Back

Speed

Front

When do you have the maximum kinetic energy on a roller coaster?

Back

At the bottom of each hill.

Front

What part of a wave is the lowest point called?

Back

Trough

Front

At which point on a roller coaster is potential energy greatest?

Back

At the top of the hill.

Front

What is the height of a wave from its rest position to its crest called?

Back

Amplitude

Front

What is the term for the area where particles are close together in a compressional wave?

Back

Compression

Front

What is the term for the area where particles are spread apart in a compressional wave?

Back

Rarefaction

Front

What is the formula for calculating the speed of a wave?

Back

Speed = Wavelength x Frequency

Front

What happens to the wavelength of a wave when its frequency increases, assuming speed remains constant?

Back

The wavelength decreases.