Earth's Spheres

Front

What are the four spheres of Earth?

Back

The four spheres of Earth are the Biosphere (living things), Hydrosphere (water), Atmosphere (air), and Geosphere (land).

Front

What does the term 'Biosphere' refer to?

Back

The Biosphere refers to all living things on Earth, including plants, animals, and microorganisms.

Front

What does the term 'Hydrosphere' refer to?

Back

The Hydrosphere refers to all the water on Earth, including oceans, rivers, lakes, and groundwater.

Front

What does the term 'Geosphere' refer to?

Back

The Geosphere refers to the solid parts of Earth, including rocks, soil, and landforms.

Front

What does the term 'Atmosphere' refer to?

Back

The Atmosphere refers to the layer of gases surrounding Earth, which is essential for life.

Front

If a deer is drinking from a pond, which two spheres are interacting?

Back

Biosphere and Hydrosphere.

Front

What does 'Geo' mean in relation to Earth's spheres?

Back

'Geo' means 'ground' or 'earth'.

Front

What does 'Hydro' mean in relation to Earth's spheres?

Back

'Hydro' means 'water'.

Front

Which sphere contains all the water on Earth?

Back

The Hydrosphere.

Front

Which sphere contains all the living organisms?

Back

The Biosphere.