The Earth's structure

Lesson Summary 1

 

The geosphere is the rocky part of the Earth. 'Geo' means 'ground'.

The hydrosphere is all of the water on Earth. 'Hydro' means 'water'.

The atmosphere is the air surrounding the Earth. 'Atmos' means 'vapour'.

The biosphere is all of the living organisms on Earth. 'Bio' means 'life'.