HW#6 U1.Ch4.L2

Front

What is a vacuum?

Back

A space with NO matter at all present.

Front

What term identifies the distance between points C & G?

Back

Wavelength.

Front

What can travel through matter (gas, liquid, solid) and empty space?

Back

Light.

Front

What can travel through matter (gas, liquid, solid) but not space?

Back

Sound.

Front

What do electromagnetic waves transfer energy without?

Back

A medium.

Front

Define wavelength.

Back

The distance between two consecutive crests or troughs in a wave.

Front

What is amplitude?

Back

The maximum extent of a wave's oscillation, measured from the position of equilibrium.

Front

What is the difference between sound and light waves?

Back

Sound waves require a medium to travel, while light waves can travel through a vacuum.

Front

What is frequency?

Back

The number of waves that pass a point in one second.

Front

What is a crest in a wave?

Back

The highest point of a wave.