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20
×
What are Greenhouse gases?
Gases that have the property of absorbing infrared radiation
Gases that have the property of melting water.
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25
×
What process removes CO2 from the atmosphere? What is the recent problem humans are having with such process?
The nitrogen cycle. Agriculture is affecting nitrogen levels
Photosynthesis. Deforestation is resulting in the reduction
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15
×
Burning fossil fuels like coal and oil releases greenhouse gases into the atmosphere.
True.
False.
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15
×
The average global temperature has been increasing over the past century.
False.
True.
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20
×
Name the 2 main GHG.
O2.
CO2.
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25
×
How is water vapour removed from the atmosphere (by nature)?
When the weather is sunny and clear.
When it rains or snows
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baam
Lose 25 points!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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15
×
Melting glaciers and ice caps contribute to rising sea levels.
True.
False.
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trap
No points!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 10 points!
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15
×
Global warming is caused solely by volcanic eruptions
False.
True.
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15
×
Solar energy and wind power are examples of renewable energy sources.
False.
True.
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15
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Ocean acidification is a direct consequence of increased carbon dioxide in the atmosphere.
False.
True.
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heart
Other team wins 10 points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 20 points!
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15
×
Name the process that maintains earth at a stable & warm temperature
Global Warming
The Greenhouse Effect
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25
×
What other factors also affect global temperatures?
The Milankovitch cycles in the Earthโs orbit and variation i
Natural events like volcanic activity.
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15
×
On which continent did scientists conduct an experiment to prove their climate change hypothesis?
Antarctica
Africa
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