Front

What has happened to the level of carbon dioxide in the atmosphere over the past 200 years?

Back

The level of carbon dioxide in the atmosphere has increased steadily.

Front

What are the causes of climate change?

Back

The causes of climate change are a combination of natural and human forces.

Front

What do greenhouse gases trap energy in the form of?

Back

Greenhouse gases trap energy in the form of infrared radiation.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of a planet due to trapped radiation.

Front

How does increased carbon dioxide contribute to global warming?

Back

Increased carbon dioxide may cause global warming by trapping more heat in the atmosphere.

Front

What are greenhouse gases?

Back

Greenhouse gases are gases that trap heat in the atmosphere, contributing to the greenhouse effect.

Front

Name three common greenhouse gases.

Back

Three common greenhouse gases are carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

Front

What role does the sun play in the greenhouse effect?

Back

The sun provides energy in the form of sunlight, which is absorbed by the Earth and re-radiated as infrared radiation.

Front

What is the difference between natural and anthropogenic climate change?

Back

Natural climate change occurs due to natural processes, while anthropogenic climate change is caused by human activities.

Front

What is the significance of the carbon cycle in relation to the greenhouse effect?

Back

The carbon cycle regulates the amount of carbon dioxide in the atmosphere, influencing the greenhouse effect.