5.2 Reviewing Earth's Spheres

Front

What does the geosphere describe?

Back

The solid exterior and interior of Earth.

Front

What is the geothermal gradient?

Back

The change in temperature within the upper part of the interior of the planet.

Front

Where is most of Earth's freshwater stored?

Back

In glaciers and Greenland.

Front

What does the hydrosphere include?

Back

Solid, liquid, and gas forms of water.

Front

What percentage of Earth's near-surface freshwater is in the form of groundwater?

Back

99%.

Front

What is the atmosphere?

Back

The gaseous mixture of air surrounding the planet.

Front

What is the biosphere?

Back

The region of Earth that is inhabited by living organisms.

Front

What is the cryosphere?

Back

The frozen water part of the Earth system, including glaciers and ice caps.

Front

How does the geosphere interact with the hydrosphere?

Back

Rivers and lakes erode the geosphere, shaping landforms.

Front

What role does the atmosphere play in Earth's systems?

Back

It regulates temperature and weather patterns.