Earth's Changing Climate

Although there are many ___________, there is a ________ toward increasing temperatures and decreasing ice on Earth since about 1880.

• fluctuations, trend

• trends, fluctuation

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NGSS.HS-ESS2-4

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Which two gases (when increased) cause an increase in temperature and energy absorbed and a decrease in ice?

• Methane

• Nitrogen Dioxide

• Sulfur Dioxide

• Carbon Dioxide

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NGSS.HS-ESS2-4

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Global average temperature increases when __________ absorbed by the surface increases.

• air

• gases

• energy

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NGSS.HS-ESS2-4

If methane decreased, . . .

• there would be more energy in the Earth system and more energy absorbed by Earth’s surface, because more energy would enter than exit.

• there would be more energy in the Earth system and more energy absorbed by Earth’s surface, because less energy would enter than exit.

• there would be less energy in the Earth system and less energy absorbed by Earth’s surface, because less energy would enter than exit.

• there would be less energy in the Earth system and less energy absorbed by Earth’s surface, because more energy would enter than exit.

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NGSS.HS-ESS2-4

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What happens when energy hits sulfer dioxide?

• More energy is created.

• Energy gets trapped and is held in the atmosphere.

• Energy gets redirected back towards outer space.

• Energy always passes right through.

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NGSS.HS-ESS2-4

Carbon dioxide and methane stop energy from ______ by redirecting energy that would have exited the system.

• developing

• leaving

• entering

• bouncing

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NGSS.HS-ESS2-4

Something that people do or cause to happen

• Human activities

• Evidence

• Climate Change

• Claim

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Sophia wants to do an experiment in order to analyze what is in the atmosphere. What do you think she will find?

• The atmosphere is made of one kind of gas.

• The atmosphere is made of different kinds of gases, and each forms its own layer.

• The atmosphere is made of a mix of different kinds of gases.

• The atmosphere isn’t made of anything.

A climatologist was working with a computer simulation that models Earth’s climate and atmosphere. She set up the controls of the simulation to decrease the amount of methane in the atmosphere. What should happen to the amount of energy absorbed by Earth’s surface?

When methane decreases, the amount of energy absorbed by Earth’s surface should

• change unpredictably.

• stay at a constant level.

• increase.

• decrease.

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NGSS.HS-ESS2-4

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

• sunspots
• global warming
• ice ages
• arid

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