Weather/Atmosphere

Front

What is the key to reducing air pollution?

Back

Controlling emissions.

Front

What type of cloud is thin, wispy, and made of ice crystals?

Back

Cirrus cloud.

Front

Which gas is most abundant in our atmosphere?

Back

Nitrogen.

Front

What happens during evaporation?

Back

The sun heats up water and turns it into vapor.

Front

In which direction do prevailing westerlies flow?

Back

From west to east.

Front

What is the process called when water vapor cools and turns back into liquid water?

Back

Condensation.

Front

What is the main component of Earth's atmosphere?

Back

Nitrogen, making up about 78%.

Front

What type of weather is typically associated with cumulonimbus clouds?

Back

Thunderstorms.

Front

What is the term for the movement of air from high pressure to low pressure?

Back

Wind.

Front

What is the greenhouse effect?

Back

The trapping of heat in the atmosphere by greenhouse gases.