Earth's Systems

This system contains all of the water on Earth

• hydrosphere

• atmosphere

• biosphere

• geosphere/lithosphere

This system contains all of the gases on Earth

• biosphere

• atmosphere

• geosphere/lithosphere

• hydrosphere

This system refers to all of the living things on Earth

• biosphere

• atmosphere

• geosphere/lithosphere

• hydrosphere

This system refers to the Earth's crust (rock and sand)

• hydrosphere

• geosphere/lithosphere

• atmosphere

• biosphere

Seals raise their young on the Arctic ice floes. Which two spheres are interacting?

• hydrosphere and biosphere

• geosphere and atmosphere

• biosphere and atmosphere

• geosphere and biosphere

The changing of a liquid to a gas is called

• precipitation

• evaporation

• condensation

• hydration

The changing of a gas to a liquid is called

• precipitation

• evaporation

• condensation

• hydration

What is the process of laying down materials such as rocks and soil?

• accumulation

• erosion

• deposition

• evaporation

What is the movement of materials away from a place known as?

• erosion

• deposition

• evaporation

• accumulation

Less than ____ of the Earth's water is usable for the biosphere

• 2%

• 1%

• 10%

• 50%