Climate Change

These graphs show increases in greenhouse

gasses in Earth’s atmosphere. As levels of

greenhouse gasses have increased, the

temperature of Earth’s surface has risen.

Which change has most likely contributed to a

rise in surface temperatures on Earth?

• The world birth rate dropped to less than 22

  births per 1,000 people per year.

• The president of the United States signed a law

  that created one of the country’s largest nature

  parks.

• Farmers increasingly use chemical fertilizers

  that allow nitrogen and phosphorous to enter

  water sources.

• Humans began using work-saving technologies

  that release carbon dioxide and methane.

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The graph shows the increase in atmospheric

carbon dioxide concentration over several

decades.

Increasing carbon dioxide levels will directly affect

Earth's....

• magnetic and gravitational fields.

• weather and climate systems.

• mantle convection.

• rotation speed.

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NGSS.HS-ESS3-5

The graph shows changes in carbon dioxide

(CO2) concentrations and surface temperatures

on Earth from the years 1880 to 2000.

Why do carbon dioxide concentrations and

surface temperatures show the relationship seen

in the graph?

• because lower carbon dioxide levels mean more

  heat is retained in Earth's atmosphere

• because higher carbon dioxide levels mean

  more heat is retained in Earth's atmosphere

• because lower carbon dioxide levels mean less

  heat is retained in Earth's atmosphere

• because higher carbon dioxide levels mean less

  heat is retained in Earth's atmosphere

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The graph shows changes in the levels ofatmospheric carbon dioxide over time. What might be one way to reverse the trend shown in the graph?

• Increase the rate of deforestation.

• Increase the rate of respiration.

• Use more fossil fuels.

• Plant more trees.

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which of the following is largely responsible for

depleting Earth's ozone layer?

• PCB's

• DDT

• CFC's

• CO₂

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What is the greenhouse effect?

• the effect of the Sun's radiation on the

  chlorophyll in plant cells

• the economic effect of climate change on the

  United States' government

• the increase of Earth's temperature due to heat

  energy being trapped by certain atmospheric

  molecules

• the decrease in the temperature of Earth's

  ocean currents due to atmospheric gases

  blocking the Sun's radiation

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How is the atmosphere involved in the

greenhouse effect?

• Gases in the atmosphere trap and redirect heat

  reflected from the surface of Earth.

• Heat from the surface of Earth is absorbed by

  gases and radiated into space.

• Gases magnify the heat of the Sun as it passes

  down through Earth's atmosphere.

• It transforms light energy from the Sun into

  thermal energy that warms the surface of Earth.

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Which of the following can affect how much

energy will be absorbed by Earth's atmosphere?

• carbon dioxide

• nitrogen dioxide

• argon

• nitrogen

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Which of the following adds to global warming by

decreasing the amount of carbon dioxide

removed from the atmosphere?

• industrialization

• burning fossil fuels

• deforestation

• polluting the oceans

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Students are asked to complete a research

project on climate change. Which of the following

is the best set of data to use in the report?

• the average temperatures of two cities in North

  America for 20 years

• Earth's average temperatures since the year

  1800

• a classroom log of temperatures since

  September

• day and night temperatures over the Atlantic

  Ocean for 10 years

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