Climate Change

Front

What are greenhouse gases?

Back

gases that cause climate change

Front

Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?

Back

the greenhouse effect

Front

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature? Options: lower levels of ozone in the atmosphere, lower levels of nitrogen in the atmosphere, higher levels of carbon dioxide in the atmosphere, higher levels of oxygen in the atmosphere

Back

higher levels of carbon dioxide in the atmosphere

Front

What is the best conclusion from the graph about atmospheric carbon dioxide levels?

Back

Atmospheric carbon dioxide levels have increased steadily since 1960.

Front

Which of the following gases DOES NOT trap heat? Options: carbon dioxide, nitrogen, water vapor, methane

Back

nitrogen

Front

Compared to other greenhouse gases, carbon dioxide is very effective in trapping heat near the surface of the Earth.

Back

true

Front

Which of the following have been linked to climate change? Options: droughts, flooding, melting of polar ice caps, all of the above

Back

all of the above

Front

Primary energy source used by power plants to generate electricity: coal, wood, gasoline, batteries

Back

coal

Front

Where are changes in temperature expected to be greatest? Options: near the equator, near the poles, between the equator and the North Pole, between the equator and the South Pole

Back

near the poles

Front

What is the main human activity that releases greenhouse gases?

Back

burning fossil fuels