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Electromagnetic Spectrum Review
Test Description: EM Spectrum Review
Instructions: Answer all questions to get your test result.
1) The distance from crest to crest of a wave is called the...
A
Wavelength
B
Amplitude
C
Crest
2) The highest point of a wave is called the...
A
Trough
B
Crest
C
Wave height
3) Opposite of a crest, the lowest point of a wave is called...
A
Amplitude
B
Frequency
C
Trough
4) The value from the middle to the high or low point of a wave is called the...
A
Amplitude
B
Wave height
C
Frequency
5) The value from the top of the crest to the bottom of the trough is called the...
A
Wavelength
B
Wave height
C
Frequency
6) How often a crest passes a given point is called the...
A
Frequency
B
Amplitude
C
Trough
7) Waves that have HIGH frequency have _____________ wavelengths
A
Short
B
Long
8) Waves that have LOW frequency have _______________ wavelengths
A
Long
B
Short
9) What are the only waves on the EM spectrum that we can see?
A
Gamma rays
B
Visible light
C
X-Rays
10) What type of waves are used in radio, television, and cell phones?
A
Radio waves
B
Gamma rays
C
Microwaves
11) What type of waves have just the right amount of energy to heat up food?
A
Ultraviolet rays
B
X-Rays
C
Microwaves
12) Which color is NOT a main part of the visible light spectrum?
A
Red
B
Orange
C
Pink
D
Blue
13) In the visible light spectrum, which color has the shortest wavelength?
A
Yellow
B
Violet
C
Orange
14) What type of waves can give you a sunburn or in extreme cases cause skin cancer?
A
Microwaves
B
Visible light
C
Ultraviolet Rays
15) Gamma rays can be used to kill what in the human body?
A
Brain cells
B
Red blood cells
C
Cancerous cells
16) What type of waves are used by dentists or doctors to take pictures of bones?
A
Microwaves
B
X-Rays
C
Infrared rays
17) What type of wave is used in remote controls and food heating lamps?
A
Visible light
B
Gamma rays
C
Infrared rays
18) All waves travel at the same speed...the speed of...
A
Light
B
Sound
19) The longer the wavelength, the __________ energy
A
More
B
Less
20) The shorter the wavelength, the ____________ energy
A
More
B
Less
*select an answer for all questions
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