Waves Review

Front

What type of waves need a medium to travel?

Back

Mechanical waves need a medium to travel.

Front

Why can't you hear sounds in outer space?

Back

You can't hear sounds in outer space because there is no medium.

Front

What does the period of a wave refer to?

Back

The period of a wave refers to how long it takes for the event to repeat.

Front

What is the crest of a wave?

Back

The crest is the highest point of a wave.

Front

In what units are wavelengths usually measured?

Back

Wavelengths are usually measured in meters.

Front

What are seismic waves?

Back

Seismic waves are waves that travel through the Earth, often caused by earthquakes.

Front

What is the difference between mechanical and electromagnetic waves?

Back

Mechanical waves require a medium to travel, while electromagnetic waves do not.

Front

What is wave speed?

Back

Wave speed is the distance a wave travels per unit of time.

Front

What is the resting point of a wave?

Back

The resting point is the equilibrium position of the medium before the wave passes.

Front

What is frequency in relation to waves?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).