GeoScience SEMESTER 2 REVIEW

Front

Most of Earth’s atmosphere is composed of

Back

nitrogen and oxygen.

Front

What is water vapor in the atmosphere the source of?

Back

clouds and rain.

Front

Ozone in Earth’s atmosphere is important because it

Back

absorbs harmful radiation.

Front

Name the atmospheric layer for the characteristic: Contains concentrated ozone.

Back

Stratosphere

Front

Name the atmospheric layer where most weather occurs.

Back

Troposphere

Front

Name the atmospheric layer for the characteristic: Outermost layer of the atmosphere.

Back

Exosphere

Front

What is the source of all energy that reaches Earth?

Back

The Sun

Front

What traps some of the heat from the sun close to Earth’s surface?

Back

Greenhouse gases

Front

As the number of air molecules increases, the pressure

Back

increases

Front

As the density of air molecules decreases, the pressure

Back

decreases