Standard 4: The Hydrosphere The Water Cycle 4-1 Study Notes Standard 4: The Hydrosphere The Water Cycle

1. ­­­­­­­­­­­­­­­­­­­­­_________ is used to describe a place where water is found water in Earth systems. Reservoir

2. The final step before water is acceptable for ________ consumption is _________ or UV light disinfectant. human chlorine

3. When water ______ (gas) changes to a liquid it is called _____________. vapor condensation

4. Water is cleaned in nature through the water _______. cycle

5. A raindrop striking Earth’s surface will sink into the soil when there is _______ between ______ particles space soil

6. Water exists when it is in the air in all ______ forms; as a solid, liquid and ____.   three gas

7. Plants contribute to the water cycle by storing water and releasing it through ____________. transpiration

8. Water must be ______ for people to drink because dirty water can make people sick or kill them.   clean

9. The change of ______ water to water vapor (gas) is called ____________. liquid evaporation

10. A molecule of water spends the _______ amount of time in the __________. MOST ground

pores 11. The process of water seeping into ______ in the ground is __________.   infiltration

glacier 12. Water in a _______ can be expected to stay in the glacier for _______ years.   1,000

LEAST 13. A molecule of water would spend the ______ amount of time in ______ things. living

14. Well water from deep underground is sometimes ______ enough for drinking because it has been ________ through layers of rock. clean filtered

15. The _____ moves water by ____________ water into the air. sun evaporating 15. The _____ moves water by ____________ water into the air.

16. _____ of water is in the oceans. Only about 3% is ______ water. 97% fresh

17. _____________ spends a long time in the ground because groundwater does ____ evaporate. not

18. The ____ is the main source of the energy required to change water from a liquid to _____ phase. sun gas

19. Water in a wave in the Pacific Ocean arrives in _____ a week later because ___ currents carried it. Utah air

20. A _________ is a place where large amounts of water are _______. reservoir stored Manmade reservoirs Lakes Oceans Glaciers

clean 21. Surface water can look ______ but contain harmful ________ so thirsty hikers should ____ drink from a stream. bacteria not Brain eating bacteria http://www.dcclothesline.com/2013/09/19/brain-eating-amoeba-in-new-orleans-tap-water/

22. A process that removes salt from water is ____________. desalination

The End