Water Cycle Recap

The sum total of all water on the earth is called the hydrosphere.

• TRUE

• FALSE

The sun causes the water cycle to....?

• Boil

• Evaporate

• Rain

• Sink

Oceans, the atmosphere, and groundwater are all ________ in the water cycle.

Water perpetually cycles from the Earth to the atmosphere and back. In the previous sentence, what does "perpetually" mean?

• Constantly

• Frequently

• Rarely

• Occasionally

Which of the following describes condensation?

• Ice becoming water

• water becoming ice

• liquid water becoming steam

• steam becoming liquid water

What is it called when rainwater contributes to the flow of rivers and streams?

• transformation

• runoff

• irrigation

• desertification

Water can evaporate into the air as water vapor and then condense and fall as rain, hail or snow. Clouds and fog also store and move water in the atmosphere.

• TRUE

• FALSE

Describe the role of gravity in the water cycle?

• Gravity pulls rain and snow down to Earth from the atmosphere through a process called precipitation

• Gravity does not play a role in the water cycle

• Gravity plays a role in how water flows

• Gravity plays a role in the water cycle through the process called condensation

Which reservoir in the water cycle contains the most water?

• ice caps

• oceans

• groundwater

• surface water

What can you infer from the fact that there is the same amount of water on the planet now as there was one billion years ago?

• The total amount of water on Earth changes over time.

• There will probably be the same amount of water in another billion years from now.

• There have been many malfunctions in the water cycle over the past billion years.

• There will be much less water in a billion years.