Sci 8: Climate Change

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

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Scientists observe the thickness of a tree's _________ to learn about past climate conditions.

• rings
• branches
• roots
• bark

Climate changes may be linked to changes in ____________ on the surface of the sun.

• sunspots
• amount of water
• the color
• the temperature

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NGSS.HS-ESS2-4

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The gradual increase in the temperature of the atmosphere is known as ___________________.

• sunspots
• global warming
• ice ages
• arid

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An important principle scientists follow to determine ancient climates is _____________________.

• larger plants and animals require warmer climates
• if an organism today needs certain conditions to live, then a similar organism that lived in the past needed similar conditions
• Earth was warmer long ago, so the climates were too
• climatic changes today occur faster than in ancient times

Possible human solutions for limiting global warming and climate change are...

• being more energy-efficient

• using renewable sources of energy

• removing carbon from fossil fuel emissions

• all of the above

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NGSS.HS-ESS3-4

Over the past 200 years, the level of carbon dioxide in the atmosphere has

• decreased slightly.

• increased steadily.

• stayed about the same

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NGSS.HS-ESS2-6

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Which of the following gases found in our atmosphere is not a greenhouse gas?

• carbon dioxide

• water vapor

• methane

• nitrogen

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The gradual increase in the temperature of the atmosphere is known as ____

• climate change

• the greenhouse effect.

• global warming.

• weather

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This greenhouse gas is released by livestock...

• sunspots

• methane

• aerosols

• Fuel

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NGSS.HS-ESS2-6

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