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Review of Properties of Water and Water Potential

Review of Properties of Water and Water Potential. FILL IN YOUR CIRCLE WITH WORDS & PICTURES. Properties of Water. PAIR & SHARE. Properties of Water. ADD HOW THE PROPERTY IS IMPORTANT TO LIFE. High Specific Heat. Ice Floats. Cohesion. Properties of Water. Adhesion. Surface Tension.

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Review of Properties of Water and Water Potential

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  1. Review of Properties of Water andWater Potential

  2. FILL IN YOUR CIRCLE WITH WORDS & PICTURES Properties of Water

  3. PAIR & SHARE Properties of Water

  4. ADD HOW THE PROPERTY IS IMPORTANT TO LIFE High Specific Heat Ice Floats Cohesion Properties of Water Adhesion Surface Tension Versatile Solvent High Heat of Vaporization

  5. High Specific Heat Ice Floats Cohesion Properties of Water Adhesion Surface Tension Versatile Solvent High Heat of Vaporization

  6. Water Properties • Polarity of water results in H-bonding • Water’s special properties • Organisms depend on cohesion of water • Pull water up plant vessels • Surface tension • Water moderates temperatures on earth • High specific heat • Evaporative cooling/ high heat of vaporization • Ice floats • Lakes and oceans don’t freeze, life goes on under ice • Water is the solvent of life • Dissolves charged/ polar substances

  7. Water Potential • Water potential – • Potential energy of water molecules • Tells you which direction water will move • Water moves from higher to lower (more negative) water potential

  8. Groups of 4 Water Potential Chain Note

  9. Groups of 2 Free Response questions

  10. Many mammals control their body temperature by sweating. Which property of water is most directly responsible for the ability of sweat to lower body temperature? • Water’s change in density when it condenses • Water’s ability to dissolve molecules in the air • The release of heat by the formation of hydrogen bonds • The absorption of heat by the breaking of hydrogen bonds • Water’s high surface tension

  11. The bonds that are broken when water vaporizes are • Ionic bonds • Bonds between water molecules • Bonds between atoms within individual water molecules • Polar covalent bonds • Nonpolar covalent bonds

  12. What is the water potential of pure water?

  13. Think Pair Share Summarize your learning

  14. QUESTIONS?

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