Water Cycle - dps61.org

Water Cycle - dps61.org

Journal WP-1 Answer the following questions in complete sentences: 1. Why is water important? 2. What are some uses for water? http://www.youtube.com/watch?v=nSENol WbyYQ&feature=player_detailpage a. Major Uses 1. Household 2. Agriculture-irrigation a. History

1. China 3000 BC irrigation by flooding rice paddies 2. Egypt, 2000 BC-Bucket device invented to raise water 3. Assyria, 700 BC-Stone aqueduct used by king for plantation 4. Mexico, 500 AD-raised plots with a canal 5. USA, 1870 windmills bring water 6. Israel, 2000-drip irrigation in the desert directly to roots 3. Industry-used to make products but can be recycled to cool machinery

4. Transportation-goods and boats 5. Recreation-boating, swimming, etc b. Water is used by living things to grow, reproduce and carry out life processes-like photosynthesis 66% 66% of of the the human human body body is is made

made up up of of water. water. At At just just 2% 2% dehydration dehydration your your performance performance decreases

decreases by by around around 20%. 20%. We We should should drink drink at at least least 1.5 1.5 litres litres of of water

water c. Groundwater is water that fills cracks and spaces in soil helping to bring nutrients to the soils and organisms in the soil. 1. 1. Two-thirds Two-thirds of

of our our planet planet is is covered covered by by water. water. 2. 2. 97% 97% of of the the water

water is is saltwater saltwater (dissolved (dissolved salt salt and and minerals). minerals). *3% *3% is is freshwater freshwater

3. 3. The The majority majority of of freshwater freshwater is is beyond beyond our our reach, reach, locked locked into

into polar polar snow snow and and ice ice (about (about 97%). 97%). 4. 4. This This leaves leaves less less than

than 1% 1% for for us us to to drink. drink. http://www.youtube.com/watch?v=vYBjPE0 wekw&feature=player_detailpage Evaporation occurs when the

liquid form of water from bodies of water change into the gaseous form of water Evapotranspiratio n is the water lost to the atmosphere from the ground surface. The transpiration

part is talking about evaporation of water from plant leaves. Sublimation is when a solid changes directly into a gas It is most often used to describe the process of snow and ice changing

into water vapor in the air without first melting into water. Condensation is the change of water from its gaseous form (water vapor) into liquid water. This is crucial because it is responsible for the

formation of clouds. When cloud particles become too heavy to remain suspended in the air, they fall to the earth as precipitation. Snowmelt runoff is a major component in the water cycle. It

runs off either side of a divide which is a ridge or continuous point of high land into a drainage basin Infiltration is when the water enters into the subsurface of soil and rocks. This becomes groundwater.

Some soils are permeable-others are impermeable As part of the water cycle, ground water is a major contributor to flow in many streams and rivers and has a strong influence on river

and wetland habitats for plants and animals. Most of the water in the ground comes from precipitation that infiltrates downward from the land surface Large amounts of water are stored in the ground. In a region called the Aquifer. The upper layer

of an aquifer is called a water table Groundwater can be brought to the surface naturally by a spring, an artesian well or a geyser As water moves through the

water cycle, it is stored in various ways in the different spheres on Earth Oceans, seas, and other bodies of water contain about 90% of the moisture in the atmosphere. Other 10%=plants,

transpiration. 3,100 cubic miles of water. Includes all water on earth. 1.35 million cubic kilometers of water on earth. Not a single drop of water can be found anywhere else in the solar

system. The solid part of earth. Is composed of minerals and contains the groundwater. Is all living organisms. Covers the top 200 meters of

oceans and seas. Study your notes from the last 2 days. We will have a quiz or journal of some sort WITHOUT your notes! BE READY!!!!!

http://techalive.mtu.edu/meec/module01/EvaporationandTranspiration.htm http://ga.water.usgs.gov/edu/watercycleevapotranspiration.html http://geography.about.com/od/physicalgeography/a/fourspheres.htm http://www.deafhoosiers.com/sci/soarhigh/lithosphere/lithosphereComp.html http://www.nps.gov/archive/acad/flow/atmosphere.html http://ga.water.usgs.gov/edu/watercycleatmosphere.html

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