Atmosphere Review

Front

What happens to the temperature if more greenhouse gases are released into the atmosphere?

Back

Temperature goes up.

Front

Why is Earth's atmosphere important to living things?

Back

It provides all of the gases we need, warms the Earth, and contains dust.

Front

What happens to air density as you go higher in the atmosphere?

Back

The air becomes less dense.

Front

What is the movement of water between the atmosphere and Earth's surface called?

Back

The water cycle.

Front

What instrument measures air pressure?

Back

Barometer.

Front

What are greenhouse gases?

Back

Gases that trap heat in the atmosphere, contributing to the greenhouse effect.

Front

What is the greenhouse effect?

Back

The process by which certain gases in the atmosphere trap heat, keeping the Earth warm.

Front

What is the composition of Earth's atmosphere?

Back

Mainly nitrogen (78%) and oxygen (21%), with trace amounts of other gases.

Front

What role does the atmosphere play in weather?

Back

It contains the air and moisture necessary for weather patterns and phenomena.

Front

What is air pressure?

Back

The force exerted by the weight of air above a given point.