Electromagnetic Spectrum

Front

What are electromagnetic waves?

Back

Electric & magnetic fields (energy) that travel through empty space very quickly.

Front

Which type of electromagnetic wave has the SHORTEST wavelength?

Back

Gamma Rays.

Front

True or false: As you move along the electromagnetic spectrum from radio to gamma waves, the wavelengths decrease in size.

Back

True.

Front

What is the distance between two crests or two troughs of a wave called?

Back

Wavelength.

Front

A wave with a large wavelength will have a ______ frequency and _____ energy.

Back

Low frequency and low energy.

Front

What is the longest wavelength in the electromagnetic spectrum?

Back

Radio waves.

Front

What type of electromagnetic radiation is used in medical imaging?

Back

X-rays.

Front

What is the relationship between frequency and energy in electromagnetic waves?

Back

Higher frequency means higher energy.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

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

Front

What type of electromagnetic waves can cause sunburn?

Back

Ultraviolet rays.