WorksheetsEarth's energy budget
Total questions: 8
Worksheet time: 5mins
Name
Class
Date
1.
What is the primary source of energy for the Earth?
a)
Coal
b)
Wind power
c)
Natural gas
d)
The sun
2.
What percentage of the sun's energy is reflected back to space even before turning into thermal energy?
a)
10%
b)
30%
c)
75%
d)
100%
3.
What is the process called in which gasses in Earth's atmosphere trap heat and send it back down to Earth's surface making it 60 F warmer than it would be?
a)
El nino
b)
Greenhouse effect
c)
Reconvectionation
d)
Global warming
4.
Resources that can be replaced in 100 years or less are called......
a)
exaustable
b)
renewable
c)
nonrenewable
d)
recyclable
5.
Which of the following is not a fossil fuel?
a)
coal
b)
oil
c)
uranium
d)
natural gas
6.
Which of the following is a nonrenewable resource?
a)
Solar energy
b)
Wind energy
c)
Biomass
d)
Oil/ petroleum
7.
Which of the following is a human impact that contributes to global warming?
a)
Change of the Earth's seasons
b)
El nino
c)
Burning fossil fuels
d)
volcanic eruptions
8.
What type of energy makes use of burning plant materials and animal droppings as a source of fuel?
a)
Geothermal
b)
Hydroelectric
c)
Biomass
d)
Petroleum
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