Journal WP-1

Answer the following questions in complete sentences:

1. Why is water important?2. What are some uses for water?

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=nSENolWbyYQ&feature=player_detailpage

a. Major Uses1. Household2. Agriculture-irrigation

a. History1. China 3000 BC irrigation by flooding rice

paddies2. Egypt, 2000 BC-Bucket device invented

to raise water3. Assyria, 700 BC-Stone aqueduct used by

king for plantation4. Mexico, 500 AD-raised plots with a canal5. USA, 1870 windmills bring water6. 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 boats5. Recreation-boating, swimming, etc

b. Water is used by living things to grow, reproduce and carry out life processes-like photosynthesis

• 66% of the human body is made up of water.

• At just 2% dehydration your performance decreases by around 20%.

• We should drink at least 1.5 litres of water a day.

• 66% of the human body is made up of water.

• At just 2% dehydration your performance decreases by around 20%.

• We should drink at least 1.5 litres of water a day.

c. Groundwater is water that fills cracks and spaces in soil helping to bring nutrients to the soils and organisms in the soil.

1. Two-thirds of our planet is covered by water.

2. 97% of the water is saltwater (dissolved salt and minerals). *3% is freshwater

3. The majority of freshwater is beyond our reach, locked into polar snow and ice (about 97%).

4. This leaves less than 1% for us to drink.

1. Two-thirds of our planet is covered by water.

2. 97% of the water is saltwater (dissolved salt and minerals). *3% is freshwater

3. The majority of freshwater is beyond our reach, locked into polar snow and ice (about 97%).

4. This leaves less than 1% for us to drink.

http://www.youtube.com/watch?v=vYBjPE0wekw&feature=player_detailpage

• Evaporation Evaporation occurs when the liquid form of water from bodies of water change into the gaseous form of water

• EvapotranspiratioEvapotranspirationn is the water lost is the water lost to the atmosphere to the atmosphere from the ground from the ground surface.surface.

• The transpiration The transpiration part is talking part is talking about evaporation about evaporation of water from of water from plant leaves.plant leaves.

• SublimationSublimation is is when a solid when a solid changes directly changes directly into a gasinto a gas

• It is most often It is most often used to describe used to describe the process of the process of snow and ice snow and ice changing into changing into water vapor in the water vapor in the air without first air without first melting into water.melting into water.

• CondensationCondensation is is the change of the change of water from its water from its gaseous form gaseous form (water vapor) into (water vapor) into liquid water. liquid water.

• This is crucial This is crucial because it is because it is responsible for responsible for the formation of the formation of clouds.clouds.

• When cloud particles become too heavy to remain When cloud particles become too heavy to remain suspended in the air, they fall to the earth as suspended in the air, they fall to the earth as

precipitation. precipitation.

• Snowmelt runoff is a major component in the water cycle. It “runs off” either side of a dividedivide which is a ridge or which is a ridge or continuous point continuous point of high land into a of high land into a drainage basindrainage basin

• InfiltrationInfiltration 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 As part of the water cycle, water cycle, ground water ground water is a is a major contributor major contributor to flow in many to flow in many streams and rivers streams and rivers and has a strong and has a strong influence on river influence on river and wetland and wetland habitats for plants habitats for plants and animals.and animals.

• Most of the water in the Most of the water in the ground comes from ground comes from precipitation that precipitation that infiltrates downward from infiltrates downward from the land surfacethe land surface

• Large amounts of water Large amounts of water are stored in the ground. are stored in the ground. In a region called the In a region called the Aquifer.Aquifer. The upper layer The upper layer of an aquifer is calledof an aquifer is called a a water tablewater table

Groundwater can Groundwater can be brought to be brought to the surface the surface naturally by a naturally by a spring, spring, an an artesian well artesian well or a or a geysergeyser

As water moves As water moves through the through the water cycle, it is water cycle, it is “stored” in “stored” in various ways in various ways in the different the different spheres on Earthspheres on Earth

• Oceans, seas, and Oceans, seas, and other bodies of other bodies of water contain water contain about 90% of the about 90% of the moisture in the moisture in the atmosphere.atmosphere.

• Other Other 10%=plants, 10%=plants, transpiration.transpiration.

• 3,100 cubic miles 3,100 cubic miles of water.of water.

• Includes all Includes all water on earth.water on earth.

• 1.35 million cubic 1.35 million cubic kilometers of kilometers of water on earth.water on earth.

• Not a single drop Not a single drop of water can be of water can be found anywhere found anywhere else in the solar else in the solar system.system.

• The solid part of The solid part of earth.earth.

• Is composed of Is composed of minerals and minerals and contains the contains the groundwater.groundwater.

• Is all living Is all living organisms.organisms.

• Covers the top Covers the top 200 meters of 200 meters of oceans and seas.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