Meet the Greenhouse Gases

What is a greenhouse gas?

• An explosion

• Dangerous to People

• Gases that trap heat and won't let it escape.

• There are a lot of them.

Why is water considered a greenhouse gas?

• Because water is everywhere.

• Warm air holds water vapor. Therefore, the warmer the air, the more heat trapped.

• It's not considered a greenhouse gas.

• Water is also called H2O.

Where can you find methane gas?

• It comes from growing rice.

• It comes from raising cattle.

• It comes from wetlands.

• All of the above are correct.

Where does CO2 come from?

• Just oxygen

• The water

• The atmosphere

• It comes from things we burn or dead things. (fossil fuels, etc.)

Nitrous Oxide is a natural part of the _____ cycle.

• Oxygen

• Nitrogen

• Methane

• Water