Earth's Changing Climate End of Unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| When carbon dioxide in the atmosphere increases, the amount of energy absorbed by Earth’s surface should | show 🗑
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| Scientists found evidence of a time period 3 billion years ago when less energy entered the Earth system than exited. What is one change to the atmosphere that could have caused this, and how did it change the amount of energy in the Earth system? | show 🗑
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| The Karoo Ice Age started about 360 million years ago and lasted for about 40 million years. During this time, less energy entered the Earth system than exited. What is one change to the atmosphere that could have caused this? | show 🗑
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| What happens when energy hits sulfur dioxide? | show 🗑
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| show | increased
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| show | carbon dioxide increased, leading to more energy in the Earth system and more energy absorbed by Earth’s surface.
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| Scientists study tree rings to learn more about Earth’s past climate. They found a time period when the amount of carbon dioxide in the atmosphere decreased. What happened to energy in the Earth system when carbon dioxide in the atmosphere decreased? | show 🗑
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| What is one reason that carbon dioxide is increasing in the atmosphere today? | show 🗑
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| show | Both samples are made of a mix of several different kinds of gases.
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| Climate researchers in Greenland found an ice core sample that shows there was a period when carbon dioxide in the atmosphere decreased. What happened to the amount of energy absorbed by Earth’s surface during this time? | show 🗑
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| Some bacteria produce methane during digestion. If the amount of these bacteria decreased a lot, the amount of methane in the atmosphere would decrease. What would happen to energy in the Earth system if this happened? | show 🗑
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| About 360 to 299 million years ago, swampland on Earth increased, which may have led to a large increase in the amount of methane in Earth’s atmosphere. What happened to energy in the Earth system when the amount of methane in the atmosphere increased? | show 🗑
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| show | data tracking glacier size for only a few years (many years is better)
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| show | Drive their cars less often AND
eat less meat so that fewer livestock need to be kept
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| During the Pleistocene Epoch time, methane in the atmosphere decreased. What would scientists expect to observe about the amount of energy absorbed by Earth’s surface during the time periods when methane decreased? | show 🗑
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| show | There was more energy in the Earth system and more energy absorbed by Earth’s surface, because more energy entered than exited.
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| show | Methane increased, leading to more energy in the Earth system because more exiting energy was redirected (bounced) back toward Earth.
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| show | The atmosphere is made of a mix of different kinds of gases.
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| Sulfur dioxide that is emitted from an erupting volcano will cause the atmospheric temperature to increase. True or False? | show 🗑
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| show | 1880
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| show | true
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| show | true
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| show | false
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| Carbon dioxide and methane increases are attributed to human activities. True or False? | show 🗑
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| Fluctuations can occur within a trend. True or False? | show 🗑
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| show | trend
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| show | cooler (think open oven door)
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| If more energy enters the system than leaves, the temperature on earth will become ..... Cooler or Warmer? | show 🗑
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| There is nothing that humans can do to change the carbon dioxide and methane. True or False? | show 🗑
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| carbon dioxide and methane stop energy from leaving by redirecting energy that would have exited the system. True or False? | show 🗑
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