Wave Properties Test

Front

What is the bending of a wave called when it passes from one medium to another?

Back

Refraction

Front

What is the medium of a wave?

Back

A substance through which a wave travels.

Front

What characteristic of sound explains why we hear an echo?

Back

Sound waves reflected off the canyon wall.

Front

What happens to the particles in a medium as a wave travels through?

Back

A vibration.

Front

How does a thick pillow affect sound waves coming from a speaker?

Back

The sound waves are absorbed.

Front

What is the term for the bouncing back of a wave when it hits a barrier?

Back

Reflection.

Front

What is the term for the spreading out of waves as they pass through an opening or around obstacles?

Back

Diffraction.

Front

What is the relationship between wavelength and frequency in a wave?

Back

As wavelength increases, frequency decreases.

Front

What type of wave requires a medium to travel through?

Back

Mechanical wave.

Front

What is the term for the highest point of a wave?

Back

Crest.