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WorksheetsGreenhouse Gases Environmental Science
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
When we discuss greenhouse gases what is the main one we discuss?
a)
Methane (CH4)
b)
Carbon Dioxide (CO2)
c)
Nitrous oxide (N2O)
d)
Flourinated gases
2.
The main human activity that releases greenhouse gases is...
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
3.
T/F: Water vapor is a greenhouse gas
a)
True
b)
False
4.
T/F: Some greenhouse gases are naturally present in the Earth's atmosphere
a)
True
b)
False
5.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
6.
Without any greenhouse effect the Earth would be...
a)
Fine
b)
Too Cold to Support Life
c)
Very Hot
7.
Which gases are greenhouse gases?
a)
Carbon dioxide
b)
Methane
c)
Nitrous oxide
d)
All of the above
8.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
9.
Which of the following is NOT a greenhouse gas?
a)
Carbon Dioxide
b)
Oxygen
c)
Methane
d)
Water Vapor
10.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
11.
Which natural process removes carbon dioxide from the atmosphere?
a)
forest fires
b)
volcanic eruptions
c)
cellular respiration
d)
photosynthesis
12.
The concentration of carbon dioxide in the atmosphere is decreasing.
a)
True
b)
False
13.
How can the planting of new trees help reduce climate change?
a)
Trees help create breezes.
b)
Trees release moisture that cools the atmosphere.
c)
Trees take in carbon dioxide from the atmosphere during photosynthesis.
d)
Trees block the release of greenhouse gases from soil.
14.
What is the most common gas in the atmosphere?
a)
nitrogen
b)
oxygen
c)
water vapor
d)
carbon dioxide
15.
What gas makes up 21% of Earth's Atmosphere?
a)
Nitrogen
b)
Oxygen
c)
Ozone
d)
None of the Above
16.
What is the mixture of gases surrounding the Earth called?
a)
carbon
b)
concentration
c)
atmosphere
d)
emissions
17.
Why are too many greenhouse gases bad for the environment?
a)
They cause trees to die.
b)
They release heat and will be the cause of the next ice age.
c)
They trap heat in our atmosphere causing the planet to warm up.
d)
They are fossil fuels which pollute our environment.
18.
Which one is not a fossil source?
a)
petrol
b)
sun
c)
coal
d)
natural gas
19.
True or False: All of the radiation from the Sun is absorbed by the Earth
a)
True
b)
False
20.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
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