Earth's Four Spheres

Front

What are the Four Spheres of Earth?

Back

The Four Spheres of Earth are the Atmosphere, Biosphere, Geosphere, and Hydrosphere.

Front

What is the Atmosphere?

Back

The Atmosphere is the layer of gases surrounding Earth, essential for breathing and weather.

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?

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The Hydrosphere includes all the water on Earth, such as oceans, rivers, lakes, and glaciers.

Front

How do the Four Spheres interact?

Back

The Four Spheres interact in various ways, such as plants (Biosphere) taking in carbon dioxide from the Atmosphere and water from the Hydrosphere.

Front

What happens during a wildfire?

Back

During a wildfire, the Atmosphere and Biosphere interact as smoke and gases are released into the air.

Front

What does 'Bio' mean?

Back

'Bio' means Life.

Front

Why is the Atmosphere important for living things?

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The Atmosphere provides oxygen for breathing and protects living things from harmful solar radiation.

Front

Can the Geosphere affect the Hydrosphere?

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Yes, the Geosphere can affect the Hydrosphere through processes like erosion and sedimentation.