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WorksheetsRecent Climate change
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
How do greenhouse gases keep Earth warm?
a)
They absorb Earth’s outgoing radiation.
b)
They reflect excess energy from the Sun
c)
They balance the increase in carbon dioxide levels.
2.
Only a small amount of global warming is the result of human activities.
a)
True
b)
False
3.
__________ does NOT add carbon dioxide to the air.
a)
Deforestation
b)
Spraying aerosols
c)
Cellular respiration
4.
The rise in carbon dioxide in the air is mainly the result of natural events.
a)
True
b)
False
5.
Global climate models are difficult to confirm.
a)
True
b)
False
6.
Planting trees can reduce some of the effects of global warming.
a)
True
b)
False
7.
___________ is one effect of global warming.
a)
Deforestation
b)
Milder weather worldwide
c)
More evaporation over Earth’s oceans
8.
Aerosols from burning fossil fuels are causing Earth’s climate to cool.
a)
True
b)
False
9.
_____________ is a positive effect of global warming.
a)
Melting of sea ice
b)
Shorter heat waves
c)
Longer growing seasons for crops
10.
The greatest climate warming in recent times has occurred in Antarctica.
a)
True
b)
False
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