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Worksheets15.2
Total questions: 24
Worksheet time: 41mins
Name
Class
Date
1.
A campfire warms the campers sitting around it by conduction
a)
True
b)
False
2.
Energy can travel only through matter
a)
True
b)
False
3.
Most of the energy on Earth comes from the sun
a)
True
b)
False
4.
The electromagnetic spectrum is the range of wave lengths of visible light
a)
True
b)
False
5.
Light with the most energy is infrared light
a)
True
b)
False
6.
Gamma rays do not penetrate Earth's atmosphere
a)
True
b)
False
7.
Warmer molecules have more energy than cooler ones
a)
True
b)
False
8.
Conduction happens mainly in the upper atmosphere
a)
True
b)
False
9.
Warm air always sinks to the surface in a convection currect
a)
True
b)
False
10.
The greenhouse effect causes more solar energy to reach Earth's surface
a)
True
b)
False
11.
Forms of energy include
a)
electrical energy
b)
chemical energy
c)
light energy
d)
all of these answers are correct
12.
Which statement about energy is false?
a)
Energy can change form
b)
Energy can be created
c)
Energy can do work
d)
Energy can travel
13.
Convection occurs in
a)
gases and liquids
b)
solids and gases
c)
liquids and solids
d)
space
14.
Energy can travel through space by
a)
conduction
b)
convection
c)
radiation
d)
all of these answers are correct
15.
Differences in solar energy by latitude result in
a)
winds
b)
weather
c)
ocean currents
d)
all og these answers are correct
16.
A greenhouse has mainly absorbs heat that
a)
radiates directly from the sun
b)
re-radiates from Earth's surface
c)
comes from burning fossil fuels
d)
before it reaches Earth's surface
17.
The greenhouse effect is caused
a)
completely by human actions
b)
partly by natural processes
c)
only by carbon
d)
two of these answers are correct
18.
Ability to do work
a)
energy
b)
convection
c)
conduction
d)
photon
19.
Tiny packet of energy
a)
photon
b)
radiation
c)
comet
d)
none of these answers are correct
20.
Transfer of energy by a current
a)
convection
b)
conduction
c)
radiation
d)
power
21.
Transfer of energy by waves through air or empty space
a)
radiation
b)
conduction
c)
convection
d)
all of these answers are correcct
22.
Light with wavelengths too long for humans to see
a)
infrared light
b)
ultraviolet light
c)
Gamma rays
d)
greenhouse gas
23.
Transfer of energy by direct contact between molecules
a)
conduction
b)
convection
c)
radiation
d)
ultraviolet light
24.
Light with wavelengths too short for humans to see
a)
ultraviolet light
b)
infrared light
c)
gamma rays
d)
black light
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