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Electromagnetic Spectrum

Authored by Wayground Science

Science

7th Grade

Electromagnetic Spectrum
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65 questions

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1.

MATCH QUESTION

1 min • 1 pt

Match the following

Overexposure to this can result in sunburns and skin cancer

Gamma Rays

It is used in thermal imaging

Infrared rays

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

Microwaves

Has the longest wavelengths and the lowest frequency

Radio waves

Used in cell phone communication and police radar systems

UV rays

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radiant energy spreads out from its source in all directions.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Communicating with satellites is an application of gamma rays.

True

False

5.

REORDER QUESTION

1 min • 1 pt

Reorder the following according to the spectrum

yellow

orange

blue

red

green

6.

REORDER QUESTION

1 min • 1 pt

Reorder the following from shortest wavelength to the longest wavelength.

infrared rays

gamma waves

ultraviolet waves

x-rays

visible light

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which has more energy?

radio/tv waves

infrared

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