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Teams
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monster
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seesaw
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gift
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thief
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5
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15
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25
15
×
Which electromagnetic waves are used in ovens and cell phone communications?
Microwaves
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15
×
The distance between two crests or two troughs of a wave is called:
wavelength
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15
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How much of the electromagnetic spectrum is visible?
only a small part
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15
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How are electromagnetic waves different from other waves?
They can travel through empty space
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15
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Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
Infrared rays
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15
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Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
Radio waves
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15
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Electromagnetic waves that help your body produce vitamin D are called?
Ultraviolet waves
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15
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Which of the following electromagnetic waves has the lowest energy? Gamma rays, Infrared waves, Visible light, microwaves
Microwaves
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monster
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rocket
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gift
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banana
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15
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What are the units of frequency?
Herz (Hz)
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15
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Mention the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
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heart
Other team wins 15 points!
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star
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shark
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lifesaver
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15
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Which section of the spectrum is the ONLY one we can see?
Visible light
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15
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Which has the LONGEST wavelength and, therefore, the lowest frequency/energy?
Radio waves
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15
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Which type of waves are used in broadcasting?
Radio waves
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