Earth's Sphere

Front

What are the four spheres of Earth?

Back

The four spheres of Earth are the biosphere, atmosphere, hydrosphere, and geosphere.

Front

What is the biosphere?

Back

The biosphere is the sphere composed of all living things on Earth.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth.

Front

What is the hydrosphere?

Back

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

Front

What is the geosphere?

Back

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

Front

How do plants interact with the biosphere and atmosphere?

Back

Plants take in carbon dioxide from the atmosphere and release oxygen, thus interacting with both spheres.

Front

What role does the hydrosphere play in plant growth?

Back

The hydrosphere provides water that plants absorb from the soil, which is essential for their growth.

Front

How do the geosphere and biosphere interact?

Back

The geosphere provides nutrients and minerals in the soil that support plant life in the biosphere.

Front

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

Back

Evaporation of water from oceans into the atmosphere is an example of interaction between the atmosphere and hydrosphere.

Front

What is the significance of the biosphere in Earth's system?

Back

The biosphere is crucial for maintaining life, supporting ecosystems, and regulating the Earth's climate.