Earth's Changing Climate Chapter 2 Flashcard

Front

What is climate change?

Back

Changes in climate over a long period of time that can be caused by natural events or human activities.

Front

What trend are we seeing in Earth's surface ice?

Back

Decrease

Front

What happens to energy absorbed by Earth's surface when carbon dioxide in the atmosphere increases?

Back

It increases.

Front

If less energy enters than exits the Earth's System, what happens to carbon dioxide or methane in the atmosphere?

Back

They decrease.

Front

What causes global average temperature to increase?

Back

An increase in energy absorbed by the surface.

Front

Define atmosphere.

Back

The layer of gases surrounding Earth, essential for life.

Front

What is the greenhouse effect?

Back

The process by which certain gases trap heat in the atmosphere, warming the planet.

Front

What are fossil fuels?

Back

Natural substances like coal, oil, and natural gas that release carbon dioxide when burned.

Front

What is the role of trees in climate change?

Back

Trees absorb carbon dioxide, helping to reduce greenhouse gases in the atmosphere.

Front

What is global warming?

Back

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