Global Warming
C02
100

Where heat on Earth originally comes from

What is the Sun?

100

This helps power engines and machines

What are fossil fuels?

200

Without the greenhouse effect, there would be none of this

What is life on Earth?

200

This is taken out of the air by plants.

What is Carbon Dioxide?

300

The layer around Earth that traps heat

What is the Layer of Greenhouse Gases?

300

Two vehicles powered by fossil fuels

What are Cars and Trains?

400

The Warming of the Earths surface

What is the Greenhouse effect?

400

When you burn things that were once alive, you pull out this

What is carbon?

500

The three gases that trap heat in the atmosphere

What is carbon dioxide, methane, and nitrous oxide?

500

These are called fossil fuels because they come from things that were alive long ago.

What are Coal, oil, and natural gas?