Electromagnetic Spectrum

Radiant energy spreads out from its source in all directions.

• True

• False

Both X-rays and gamma rays have higher frequencies than ultraviolet rays.

• True

• False

Communicating with satellites is an application of gamma rays.

• True

• False

Reorder the following according to the spectrum

• blue

• red

• orange

• yellow

• green

Reorder the following from shortest wavelength to the longest wavelength.

• gamma waves

• visible light

• ultraviolet waves

• x-rays

• infrared rays

Which has more energy?

• radio/tv waves

• infrared

Which has a higher frequency?

• visible light

• ultraviolet rays

Electromagnetic waves that you can see

• radio waves

• visible light

• x-rays

• ultraviolet rays

Used for medical imaging to diagnose health issues in bones and teeth

• visible light

• ultraviolet rays

• x-rays

• gamma rays

Reorder the following according to the spectrum

• green

• violet

• yellow

• blue

• indigo