WorksheetsBBC Short Circuit Electromagnetic Waves
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which of these services are available because of electromagnetic waves?
a)
Radio
b)
TV
c)
Internet
d)
All of these
2.
Waves transfer....
a)
energy
b)
matter
3.
Which can travel faster?
a)
Energy
b)
Matter
4.
Which determines a wave's use?
a)
wavelength
b)
amplitude
5.
Electromagnetic waves travel at the speed of...
a)
light
b)
sound
c)
smell
6.
Water waves and electromagnetic waves do not have anything in common.
a)
true
b)
false
7.
Waves can be reflected.
a)
true
b)
false
8.
The act of bending light is called...
a)
reflection
b)
refraction
c)
defraction
9.
The cable the carries light is called a...
a)
fiber optic cable
b)
coaxial cable
c)
ethernet cable
d)
telephone cable
10.
All waves have the same basic properties.
a)
true
b)
false
11.
The act of a wave bending around a corner is called...
a)
reflection
b)
refraction
c)
defraction
12.
How long does it take light from the sun to reach Earth?
a)
8 seconds
b)
8 minutes
c)
8 hours
d)
8 days
13.
Which defracts better?
a)
longer wavelengths
b)
shorter wavelengths
14.
Just take a minute and appreciate how far technology has come in the last 20 years...
a)
Wow!
b)
Blah!
15.
Does anyone own the internet?
a)
No
b)
Yes
16.
Should everyone have a right to access the internet?
a)
Yes
b)
No
100 %
