Atmosphere Quiz

The mixture of gasses that surrounds the Earth is called

• geosphere

• atmosphere

• hydrosphere

• biosphere

Describe two ways that the atmosphere helps maintain life on Earth.

The atmosphere is mostly made up of

• water vapor

• oxygen

• nitrogen

• carbon dioxide

The layer of the atmosphere that absorbs ultraviolet light and helps to keep the Earth warm is the

• ionosphere

• exosphere

• troposphere

• ozone layer

Humans live in the densest layer of the atmosphere known as the

• mesosphere

• thermosphere

• stratosphere

• troposphere

The mesosphere is the _______________ layer of the atmosphere.

• coldest

• hottest

The thermosphere is the highest layer of the atmosphere. It can be divided even further into which two layers? (More than one answer can be chosen)

• exosphere

• troposphere

• ozone layer

• ionosphere

The aurora borealis (northern lights) exist in the _____________________, which is the lower portion of the thermosphere. The lights are created when ions radiate energy that has been absorbed from the sun.

• stratosphere

• ionosphere

• Ozone layer

• troposphere

Energy that travels directly through the atmosphere from the sun is called

• conduction

• convection

• radiation

Describe how energy that flows in convection currents produces wind. (How is heat transferred cyclically through the atmosphere?)