Carbon Cycle and Global Warming Quiz

Human activities affect the carbon cycle by:

• Increasing carbon dioxide emissions

• Decreasing carbon dioxide emissions

• Having no effect on carbon dioxide levels

• Balancing carbon dioxide levels

Global warming has several impacts. Which of the following is one of them?

• Rising sea levels

• Decreased air pollution

• Increased ice coverage

• Lower global temperatures

Explain why global warming happens.

You take a deep breath of fresh air. What gases are entering your lungs?

• Oxygen and nitrogen

• Carbon dioxide and oxygen

• Nitrogen and carbon dioxide

• Oxygen and hydrogen

What has caused the increase in the concentration of carbon dioxide in the atmosphere since 1800?

• Industrial Revolution

• Deforestation

• Increased use of fossil fuels

• All of the above

Humans add extra carbon dioxide to the atmosphere by:

• Burning fossil fuels

• Planting trees

• Using solar panels

• Recycling waste

Match the keyword to the correct definition.

• Climate change

• Greenhouse gas

• Global warming

• Greenhouse effect

Write a sentence that includes the 4 key terms above.

• Write a sentence that includes the 4 key terms above.

• Write a paragraph that includes the 4 key terms above.

• Write a sentence that excludes the 4 key terms above.

• Write a sentence that includes 3 key terms above.

Which of the following sentences includes the 4 key terms above?

• Write a sentence that includes the 4 key terms above.

• This is a sample sentence without the key terms.

• Another example sentence that does not include the key terms.

• Yet another sentence missing the key terms.

Global warming describes how energy from the Sun is trapped by gases in the atmosphere.

• True

• False