2. Earth’s 4 Divisions Biosphere is where all life exists on Earth.
Hydrosphere includes all Earth’s water, ice, and water vapor.
Atmosphere is the air blanketing the Earth’s solid and liquid surface
Geosphere includes the features of the Earth’s surface and everything below the surface.

3. Geosphere The Earth Sphere Layers of Earth
The continents and ocean basins
Rocks
Mountains
Lava
Beaches

4. Hydrosphere The Water Sphere Oceans Rivers Lakes Streams Groundwater
Glaciers
Ice Caps
Clouds

5. Biosphere
The Life Sphere
Bacteria
Algae
Animals
Plants

6. Atmosphere Air The Vapor Sphere The gaseous envelope surrounding Earth
Nitrogen
Oxygen
Carbon Dioxide
Ozone
Water Vapor

19. Interactions Among Spheres
Atmosphere
Geosphere
Biosphere
Hydrosphere

20. Hot weather causes evaporation Humans pollute the air
Volcanic eruption
Hot weather causes evaporation
Humans pollute
the air
Dust storm
Tornado destroys trees
Earthquake kills people
Humans mine for minerals
Water erodes mountains
Humans drink water
Evaporation increases humidity of air
Lava superheats water and produces steam
Humans pollute water