The Wonders Of Water

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The Wonders Of Water

• By Cassie Krout and Ashley Caroff

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Be careful there are lots of quizzes and fun
activities through out this presentation.
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Learn more about the Earths water by clicking on
this hyperlink below.
Go to this web site and you can click on the
picture to the left and go to different
categories!
http//ga.water.usgs.gov/edu/mearth.html
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More about the previous slide

• On this site you can go around and explore the
  whole site.
• Go around and explore to learn a lot more.

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Earths Water

• http//water.usgs.gov/
• Going to this site you can learn about the
  earths water! On this site there are also links
  to learn more about water.

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Many Many Links

• http//www.awwa.org/community/links.cmf
• On this site you need to go to the left hand side
  and click on the different links that you would
  like to use.

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The Amazing Water Cycle

• http//ga.water.usgs.gov/edu/watercycle.html
• On this site there is an amazing description of
  the water cycle, and there are so many great
  links.

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Cohesion

• When molecules of a substance stick together it
  is called cohesion. This picture is an example
  of cohesion. It shows how the molecules of a rain
  drop stay together. Thats why they are shaped
  the in a sphere.

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Adhesion

• When water is attracted to other materials it is
  called adhesion. This picture is an example of
  adhesion, because hydrogen molecules are being
  attached to water molecules.

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Heat Capacity

• Heat capacity is the amount of heat per unit mass
  needed to raise the temperature by 1degree
  Celsius. The heat capacity of water is 1 calorie
  per 1 gram of water equals 1 deg Celsius. Water
  has a fairly large heat capacity.

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Surface Tension

• The molecules of water that are at the surface of
  water are cohesion molecules, that have the name
  of surface tension.
• Water pools into a sphere because a sphere has
  the smallest amount of surface area.
• All of the molecules of water are creating
  surface tension, because they are holding each
  other together.

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Thermal conductivity

• Thermal conductivity is the ability to
  transfer thermal energy from one area to another.
  

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Hydrogen Bonds

• The atoms of hydrogen stick to all different
  elements that include nitrogen, oxygen, and
  fluorine. This sticking together like glue is
  called hydrogen bonding. We also found
  http//www.Isbu.ac.uk/water/hbond.html which
  explains more and has great pictures.

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Chemical Properties

• Some water molecules are covalent and dont
  conduct electricity well.
• Water is a very good solvent so many ionic
  substances dissolve in it. The water reduces the
  attrated forces between the anions and cations of
  something and makes them break apart from the
  substance.
• A substance that can dissolve in water is called
  an aqueous solution.
• When a substance becomes iomized the
  conductivity of it increases a lot. Distilled
  water is a great insulator.
• Normal tap water dissolves salt so it is a great
  conductor of electricity.

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Capillary Action

• Capillary action is related to adhesive
  properties.
• Capillary action uses a straw to absorb water or
  any fluid.
• The molecules of both the water/liquid and straw
  are attacked together.

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Picture of Capillary Action
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Quiz Time

• Go to http//cyberscoolbus.un.org/waterquiz/waterq
  uiz4/index.asp here there is a site that you
  click around to learn about water. After you feel
  confident enough with all the information take
  the quiz.

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Quiz Facts

• What we learned The worlds water is about 97.5
  salt. To take a bath it takes about 200 liters. A
  chicken that is 2 kg needs at least 7,000 liters
  of water in its life.

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How Much Do You Know About Drinking Water

• Go to http//www.epa.state.il.us/kids/fun-stuff/qu
  iz/water-quiz.html. Here you can take Captain
  Bluegills quiz.

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Safe Drinking Water Results

• New things we learnedThat 95 of the earths
  water is drinking water. On average people should
  drink 6-8 glasses of water. Half of the worlds
  fresh water is in Canada. Safe water to drink is
  called potable water.

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The End
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Water Poisoning
Before the poisoning!
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We needed new Water!
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Kirks Jealousy takes the better side of him!
Bad Kirk!