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.

Geosphere

The Earth Sphere• Layers of Earth• The continents and

ocean basins• Rocks• Mountains• Lava• Beaches

HydrosphereThe Water Sphere

• Oceans• Rivers• Lakes• Streams• Groundwater• Glaciers• Ice Caps• Clouds

BiosphereThe Life Sphere

• Bacteria• Algae• Animals• Plants

Atmosphere

The Vapor SphereThe gaseous envelope surrounding Earth

• Air– Nitrogen– Oxygen– Carbon Dioxide– Ozone– Water Vapor

Interactions Among Spheres

Geosphere

Hydrosphere

Biosphere

Atmosphere

Humans pollute

the air

Tornado destroys trees

Humans drink water

Humans mine for minerals

Earthquake kills people

Volcanic eruption

Dust storm

Water erodes mountains

Hot weather causes

evaporation

Lava superheats water and produces

steam

Evaporation increases humidity

of air

Humans pollute water