Electromagnetic Spectrum

Match the following

• Has the highest energy of all electromagnetic radiation and is the most damaging to human tissue

• Radio waves

• Used in cell phone communication and police radar systems

• Gamma Rays

• It is used in thermal imaging

• Infrared rays

• Has the longest wavelengths and the lowest frequency

• UV rays

• Overexposure to this can result in sunburns and skin cancer

• Microwaves

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 from LONGEST wavelength to SHORTEST wavelength following according to the EMS.

• red

• blue

• yellow

• green

• orange

Reorder the following from shortest wavelength to the longest wavelength.

• x-rays

• ultraviolet waves

• gamma waves

• infrared rays

• visible light

Reorder the following from LONGEST wavelength to the SHORTEST wavelength.

• gamma waves

• microwaves

• infrared

• radio waves

• x-rays

Which has more energy?

• radio/tv waves

• infrared

Which has a higher frequency?

• visible light

• ultraviolet rays

What is the difference between frequency and wavelength?

• The shorter wavelength, the less frequency.

• The longer the wavelength, the frequency is greater.

• The longer the wavelength, the frequency is less.

Electromagnetic waves that you can see

(a)  

• radio waves

• visible light
• x-rays

• ultraviolet rays