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15
×
How are electromagnetic waves different from other waves?
They can travel through empty space
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15
×
Which of the following electromagnetic waves is given off as heat?
Infrared waves
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15
×
Airport security is an example of ________________.
X-rays
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15
×
A wave has a frequency of 10 hz and a wavelength of 4 m. What is the velocity of the wave?
40 m/s
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15
×
A wave with a large wavelength will have a ______ frequency and _____ energy
low, low
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thief
Give points!
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25
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magnet
Take 10 points!
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×
shark
Other team loses 25 points!
Okay!
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baam
Lose 25 points!
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15
×
Electromagnetic waves that help your body produce vitamin D are called?
Ultraviolet waves
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15
×
Which section of the spectrum is the ONLY one we can see?
Visible light
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15
×
Which type of waves are used in broadcasting?
Radio waves
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15
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High frequency waves have _________ wavelengths.
short
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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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The distance between two crests or two troughs of a wave is called:
wavelength
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heart
Other team wins 10 points!
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shark
Other team loses 10 points!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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15
×
The speed of light (radiation) is _________km/second.
300,000
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thief
Give points!
5
10
15
20
25
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gift
Win 20 points!
Okay!
×
shark
Other team loses 10 points!
Okay!
×
baam
Lose 10 points!
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×
thief
Give points!
5
10
15
20
25
×
gift
Win 10 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
×
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