Sc 7: pp 160-163

Front

What is the temperature trend in the troposphere?

Back

The temperature of the troposphere is greater near Earth's surface.

Front

What are the percentages of gases in the atmosphere?

Back

a) Nitrogen: 78%, b) Oxygen: 21%, c) Other: 1%.

Front

What is the most abundant form of water in the atmosphere?

Back

Water vapor.

Front

What force holds the atmosphere around Earth?

Back

Gravity.

Front

Where are most clouds found in the atmosphere?

Back

Most clouds are found in the troposphere, not the stratosphere.

Front

What is the primary gas in the atmosphere?

Back

Nitrogen.

Front

What is the role of gravity in the atmosphere?

Back

Gravity keeps the atmosphere close to the Earth's surface.

Front

What is the difference between weather and climate?

Back

Weather refers to short-term atmospheric conditions, while climate refers to long-term patterns.

Front

What is the function of the ozone layer?

Back

The ozone layer protects Earth from harmful ultraviolet (UV) radiation.

Front

What are clouds primarily made of?

Back

Clouds are primarily made of tiny water droplets or ice crystals.