A1
Lesson Summary
Vocabulary Link
- Earth System
- atmosphere
- hydrosphere
- cryosphere
- biosphere
- geosphere
- The Earth system is composed of five interrelated subsystems.
- The atmosphere is the gas envelope that surrounds Earth.
- The hydrosphere includes all the non-frozen water on Earth.
- The cryosphere consists of all the frozen water on the Earth.
- The biosphere consists of all living organisms on the Earth and their habitats.
- The geosphere extends from the solid surface of the Earth to the Earth’s interior.