In longitudinal waves in a spring, the parts where the coils are close together are called A. compressions.
B. rarefactions.
C. longitudes.
D. contractions.

In longitudinal waves in a spring, the parts where the coils are spread out are called

A. compressions.
B. rarefactions.
C. longitudes.
D. contractions.

Waves that can travel with or without a medium are called mechanical waves.

True
False
Mechanical waves form when a source of energy causes a medium to compress.

True
False

The three types of mechanical waves are transverse waves, latitudinal waves, and surface waves.

True
False
A surface wave moves the medium in the same direction as the wave travels.

True
False

Each particle of water in an ocean wave moves in a circle.

True
False
A transverse wave moves a medium at an obtuse angle to the wave.

True
False