Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped heat.

Front

How does Earth's atmosphere make life on this planet possible?

Back

It provides air and protects us from the Sun's harmful rays.

Front

Greenhouse gases ___________ heat energy.

Back

absorb

Front

The gas that is most abundant (highest percentage) in the atmosphere is

Back

nitrogen.

Front

What is the atmosphere made of?

Back

Mostly nitrogen and oxygen, with smaller amounts of other gases.

Front

What are greenhouse gases?

Back

Gases that trap heat in the atmosphere, such as carbon dioxide, methane, and water vapor.

Front

Why is the greenhouse effect important?

Back

It keeps the Earth's temperature stable and supports life.

Front

What human activities increase greenhouse gases?

Back

Burning fossil fuels, deforestation, and industrial processes.

Front

What is carbon dioxide's role in the greenhouse effect?

Back

It absorbs and re-emits infrared radiation, contributing to warming.

Front

What is the difference between weather and climate?

Back

Weather is short-term atmospheric conditions; climate is long-term patterns.