Spheres of the Earth

Front

What does 'Geo' mean?

Back

Earth/Ground

Front

What does 'Hydro' mean?

Back

Water

Front

What is the atmosphere?

Back

The layer of gases surrounding the Earth.

Front

What is the biosphere?

Back

All living things on Earth.

Front

What is the hydrosphere?

Back

The rivers, lakes, and oceans of the Earth.

Front

What is the geosphere?

Back

The non-living soil, rocks, and minerals of the Earth.

Front

What is the cryosphere?

Back

The frozen water part of the Earth, including ice caps and glaciers.

Front

What are the four spheres of the Earth?

Back

Biosphere, Geosphere, Hydrosphere, Atmosphere.

Front

What is the main component of the atmosphere?

Back

Nitrogen (about 78%) and Oxygen (about 21%).

Front

What is the importance of the biosphere?

Back

It supports all life forms and ecosystems.