Spheres of the Earth

Front

What are the four spheres of the Earth?

Back

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

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 atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth, essential for weather and climate.

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 geosphere?

Back

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

Front

How do the biosphere and atmosphere interact when a living thing breathes?

Back

When a living thing breathes, it takes in oxygen from the atmosphere and releases carbon dioxide back into it.

Front

What happens when plants take carbon dioxide from the air?

Back

Plants absorb carbon dioxide from the atmosphere for photosynthesis, which is essential for their growth.

Front

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

Back

An example is when plants use nutrients from the soil, which is part of the geosphere.

Front

How do volcanoes affect the atmosphere?

Back

When a volcano erupts, it releases gases and ash into the atmosphere, affecting air quality and climate.

Front

What role does the hydrosphere play in the biosphere?

Back

The hydrosphere provides water, which is essential for all living organisms in the biosphere.