The Earth's Four Spheres

Front

What are the four spheres of the Earth?

Back

The four spheres of the Earth are the Geosphere, Hydrosphere, Atmosphere, and Biosphere.

Front

What is the Hydrosphere?

Back

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

Front

What is the Geosphere?

Back

The Geosphere refers to the solid parts of the Earth, including rocks, soil, and the Earth's interior.

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 Biosphere?

Back

The Biosphere encompasses all living organisms on Earth, including plants, animals, and microorganisms.

Front

Which sphere do oceans belong to?

Back

Oceans are part of the Hydrosphere.

Front

Which sphere do glaciers and icebergs belong to?

Back

Glaciers and icebergs are part of the Hydrosphere.

Front

Which of the following is NOT part of the Biosphere: Plants, Animals, Microbes, Molecules, Fungi?

Back

Molecules are NOT part of the Biosphere.

Front

Where do bacteria fit in the Earth's spheres?

Back

Bacteria are part of the Biosphere.

Front

What role do greenhouse gases play in the Earth's atmosphere?

Back

Greenhouse gases trap infrared heat from the sun, helping to regulate the Earth's temperature.