Water Cycle

The sum total of all water on Earth and in its atmosphere is called the:

• Biosphere

• Terrasphere

• Hydrosphere

• Liquisphere

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

• Nodes

• Sinks

• Reservoirs

• Stations

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

• Constantly

• Frequently

• Occasionally

• Rarely

What effect does the sun have on surface water?

• It causes it to boil

• It causes it to rain

• It causes it to sink

• It causes it to evaporate

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

• Transformation

• Runoff

• Irrigation

• Desertification

Which of the following options is an example of precipitation?

• Rain, Sleet, Snow, Hail

• Rivers

• Oceans

• Water vapor

Which of the following describes condensation?

• Ice becoming water when placed into a warm liquid

• Water becoming ice in a freezer

• Liquid water being heated until it turns into steam

• Steam from a teapot turning into liquid 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 gradually over time

• There will probably be the same amount of water on the planet a billion years from now

• There have been many fluctuations in the water cycle over the last billion years

• There will be much less water on earth one billion years from now

Which reservoir in the water cycle contains the most water?

• The ice caps

• The oceans

• Groundwater

• Surface water

How long do molecules of groundwater stay in the ground?

• Days

• Weeks

• Months

• Anywhere from days to thousands of years