Solving Climate Change

A warm-water event that can change weather patterns causing heavy rains or droughts:

• El Niño

• La Niña

• Sunspots

• Global Warming

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A gradual increase in the average temperature of Earth's atmosphere:

• Global Warming

• Greenhouse Gas

• El Niño

• Climate

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Gases in the atmosphere that trap heat; carbon dioxide (CO₂) is a major one:

• Greenhouse Gas

• Global Warming

• Sunspot

• CFCs

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Chlorine compounds that are the main cause of the ozone hole:

• Greenhouse Gas

• CFCs

• Global Warming

• Monsoon

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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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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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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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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