Unit 5: Atmosphere

Front

What layer of the atmosphere absorbs UV radiation?

Back

Stratosphere

Front

What chemicals are known to cause the destruction of the ozone layer?

Back

Chlorofluorocarbons (CFCs)

Front

What is one action you can take to help decrease global warming?

Back

Turn off your lights when you’re not using them.

Front

What environmental issues have been linked to climate change?

Back

Droughts, flooding, melting of polar ice caps.

Front

What percentage of the Earth's atmosphere is nitrogen?

Back

78%.

Front

What is the primary function of the ozone layer?

Back

To absorb harmful ultraviolet (UV) radiation from the sun.

Front

What are greenhouse gases?

Back

Gases that trap heat in the atmosphere, contributing to the greenhouse effect.

Front

Name one major greenhouse gas.

Back

Carbon dioxide (CO2).

Front

What is global warming?

Back

The long-term increase in Earth's average surface temperature due to human activities.

Front

What is the main cause of climate change?

Back

Increased levels of greenhouse gases due to human activities.