Earth's Spheres

Front

What is the cryosphere?

Back

The cryosphere includes all frozen water on Earth, such as ice, snow, and permafrost.

Front

What percentage of the Earth is covered by water?

Back

Approximately 70% of the Earth's surface is covered by water.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth.

Front

How does the hydrosphere interact with the biosphere?

Back

The hydrosphere provides water, which is essential for life in the biosphere.

Front

What is an example of interaction between the atmosphere and geosphere?

Back

A volcano erupts, adding carbon dioxide to the air.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

Define hydrosphere.

Back

The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and groundwater.

Front

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

Back

The biosphere includes all living organisms and their interactions with the environment.

Front

What is permafrost?

Back

Permafrost is permanently frozen ground found in polar regions.

Front

How do human activities impact the atmosphere?

Back

Human activities, such as burning fossil fuels, increase greenhouse gas emissions in the atmosphere.