Water cycle

Most of the Earth's water is in

• oceans
• freshwater lakes
• freshwater ponds
• glaciers

Which answer below is closest to the amount of the Earth's surface covered with water?

• 1/4 = 25%
• 1/2 = 50%
• 3/4 = 75%
• 1/5 = 20%

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Which source of freshwater is not easily available for human use?

• oceans
• freshwater lakes
• rivers
• ice/glaciers

The change of water from a liquid to a gas.

• evaporation
• precipitation
• condensation
• transpiration

Any type of moisture that falls to the Earth.

• evaporation
• precipitation
• condensation
• transpiration

The release of moisture by living plants.

• evaporation
• precipitation
• condensation
• transpiration

The change of water from a vapor to a liquid.

• evaporation
• precipitation
• condensation
• transpiration

The flow of water on land into a bigger body of water.

• groundwater
• condensation
• run-off
• infiltration

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water