Understanding the Water Cycle

What percentage of the Earth's water is saltwater found in oceans, seas, and bays?

• 25%

• 50%

• 96.5%

• 75%

What is the process called when water evaporates from plants?

• Condensation

• Transpiration

• Evaporation

• Precipitation

How long does a water molecule typically stay in the atmosphere before condensing?

• 1 day

• 30 days

• 10 days

• 100 days

How much water can a large oak tree transpire in one year?

• 40,000 gallons

• 10,000 gallons

• 20,000 gallons

• 30,000 gallons

Which of the following is NOT a way water is stored on Earth?

• In outer space

• In the atmosphere

• In magma

• In oceans