Climate change

Front

What is the main greenhouse gas responsible for climate change?

Back

Carbon dioxide (CO2)

Front

True or False: The amount of carbon dioxide (CO2) in the atmosphere is decreasing.

Back

False

Front

Which human activity contributes the most carbon dioxide to the atmosphere?

Back

Burning fossil fuels

Front

Increasing quantities of CO2 in the atmosphere will cause air temperatures to be _____.

Back

Warmer

Front

What is a carbon sink?

Back

Anything that absorbs more carbon from the atmosphere than it releases.

Front

What is a carbon source?

Back

Anything that releases more carbon into the atmosphere than it absorbs.

Front

Name one effect of climate change on weather patterns.

Back

Increased frequency of extreme weather events.

Front

What is the greenhouse effect?

Back

The process by which certain gases trap heat in the Earth's atmosphere.

Front

List one way to reduce carbon dioxide emissions.

Back

Using renewable energy sources like solar or wind.

Front

What role do trees play in the carbon cycle?

Back

Trees act as carbon sinks by absorbing CO2 during photosynthesis.