Earths Systems

Front

What are the four spheres of Earth?

Back

The four spheres of Earth are the biosphere (living things), hydrosphere (water), atmosphere (air), and geosphere (land).

Front

What is the interaction between the biosphere and hydrosphere?

Back

An example is a plant receiving water from precipitation.

Front

What is the outermost layer of Earth called?

Back

The outermost layer of Earth is called the crust.

Front

What is an aquifer?

Back

An aquifer is a large deposit of groundwater that can be extracted and used.

Front

How do the oceans affect the atmosphere?

Back

The oceans release heat energy that makes the climate milder.

Front

What is the function of the hydrosphere?

Back

The hydrosphere sustains various life forms and plays an important role in ecosystems and regulating heat on Earth.

Front

What is the geosphere?

Back

The geosphere is the solid part of Earth, including rocks, soil, and landforms.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth.

Front

How does the biosphere interact with the geosphere?

Back

Plants grow in the soil of the geosphere, which provides nutrients.

Front

What is precipitation?

Back

Precipitation is any form of water that falls from the atmosphere, such as rain or snow.