Front

What do electromagnetic waves vary in?

Back

Wavelength and frequency.

Front

What type of wave does NOT need a medium to travel through?

Back

Electromagnetic waves.

Front

Which type of EM wave is used to cook food and has a higher frequency than radio waves?

Back

Microwave.

Front

Which part of the electromagnetic spectrum can cause damage to eyes and skin?

Back

Ultraviolet light.

Front

What conclusion can be drawn if Light Wave #1 appears brighter than Light Wave #2?

Back

Light Wave #1 will appear brighter than Light Wave #2.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, ordered by frequency or wavelength.

Front

What is wavelength?

Back

The distance between successive crests of a wave.

Front

What is frequency?

Back

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

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 299,792 kilometers per second (the speed of light).

Front

What are the main types of electromagnetic waves?

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.