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Chapter 3: Why are scientists so interested in studying ice cores?
Because they can measure the CO2 in the air from the time that the snow froze into ice.
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15
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True or False: The Earth in 2000 was 0.7ºC warmer then in 1900.
True
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True or False: A change of only 5ºC to 7ºC can begin an Ice Age.
True
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Chapter 3: When will the ice and snow finally melt in Kilimanjaro?
In the next 10 (ten years)
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monster
Reset all scores!
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fairy
Take points!
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25
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gift
Win 25 points!
Okay!
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baam
Lose 20 points!
Oops!
15
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Our atmosphere has mostly nitrogen and _____ in it. a)oxygen b) carbon c) carbon dioxide
a) oxygen
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boom
Lose 50 points!
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
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Chapter 3: How much warmer are the winters in Alasa then in the 1950s?
They are 4ºC warmer than in the 1950s.
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Chapter 3: What did Keeling learn from measuring CO2?
Every year there is more CO2 in the atmosphere.
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Carbon Dioxide stops ______ escaping from the Earth. a) oxygen b)water c)heat
c)heat
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The Gulf Stream moves heat to _______ . a) Europe b)Iceland c) the Gulf of Mexico
a)Europe
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True or False: The volcano Kraktoa made the Earth 1º C warmer.
False, 1º Colder.
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seesaw
Swap points!
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seesaw
Swap points!
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shark
Other team loses 20 points!
Okay!
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lifesaver
Give 10 points!
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15
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True or False: Only some scientists think that the climate is changing.
False. All scientists.
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Mars has a ______ atmosphere than the Earth. a)thicker b) thinner c) warmer
b) thinner
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True or False: The Day After Tomorrow shows the Climate changing slowly.
False. Quickly
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