Earth's Spheres

Front

What is the Geosphere?

Back

The Geosphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts.

Front

What is the Biosphere?

Back

The Biosphere is the part of Earth where life exists, including all living organisms.

Front

What does 'Hydro' mean?

Back

Hydro means Water.

Front

What is the Hydrosphere?

Back

The Hydrosphere is composed of all the water on or near the Earth.

Front

What percentage of the planet is covered by water?

Back

70% of the planet is covered by water.

Front

What is the Atmosphere?

Back

The Atmosphere is the layer of gases surrounding the Earth.

Front

What are the four main spheres of Earth?

Back

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

Front

What is an example of the Geosphere?

Back

Mountains, rocks, and soil are examples of the Geosphere.

Front

What is an example of the Hydrosphere?

Back

Oceans, rivers, and lakes are examples of the Hydrosphere.

Front

What is an example of the Biosphere?

Back

Plants, animals, and humans are examples of the Biosphere.