Earth's Spheres Review

Front

What are the four main spheres of Earth?

Back

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

Front

What is the biosphere?

Back

The biosphere is the part of Earth where living organisms exist, including land, water, and the atmosphere.

Front

What is the geosphere?

Back

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

Front

What is the hydrosphere?

Back

The hydrosphere includes all the water on Earth, such as oceans, rivers, lakes, and groundwater.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth, essential for life.

Front

How do the biosphere and hydrosphere interact?

Back

The biosphere and hydrosphere interact when living organisms, like fish, depend on water for survival.

Front

What does 'hydro' mean?

Back

'Hydro' means water.

Front

How do the atmosphere and biosphere interact?

Back

The atmosphere and biosphere interact when wind affects plants and animals.

Front

What is an example of the geosphere interacting with the hydrosphere?

Back

An example is when rainwater erodes rocks and soil.

Front

What are the layers of the atmosphere?

Back

The atmosphere is split into five layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere.