1. Slide show: Modified from Kim Foglia http://www.explorebiology.com

3. Water is a ____________________ molecule
___________ pattern of electric charge
______ & ________ poles

4. Water molecules form _____________bonds with each other
+ from one molecule attracted to – of neighbor
Makes molecules “__________”

5. HYDROGEN BONDING PRODUCES _____________PROPERTIES OF WATER
______________
___________________________
________________________________
___________________

6. COHESION
___________ bonding __________ water molecules makes them stick together
_______________
Water has a “skin”
Tends to “bead up”
Drinking straw

7. _____________________ Water climbs up paper towel
ADHESION
HYDROGEN bonding between water and ________molecules makes them stick to substances
_____________________
Water climbs up paper towel
______________________

8. PLAY MOVIE HERE

10. HYDROPHILIC _______________
__________ molecules are attracted to water
____________
_____________________

11. HYDROPHOBIC _______________
____________ molecules move away from water
____________
_____________________________

12. HIGH SPECIFIC HEAT Resists ___________ in temperature
takes a lot to heat it up
takes a lot to cool it down
_______________ temperatures on Earth

14. WATER HAS HIGH HEAT OF VAPORIZATION
_______ required to change from liquid to gas

16. Most (ALL?)substances are
ICE FLOATS !
Most (ALL?)substances are
_______dense as solids than liquids.
NOT WATER!
__________ bonds form a crystal with loose structure so SOLID ICE is ______________ than LIQUID WATER.

17. http://www. destination360

18. WATER FORMS IONS
If concentration of two ions is ______, water is ____________
If [H+] > [OH-], water is ________
If [H+] < [OH-], water is ________.

20. Log scale like Richter for measuring earthquakes
Solution A is _____ times _________ acidic than solution B
A pH = 2
B pH = 5

21. Log scale like Richter for measuring earthquakes
Solution B is _____ times _________ acidic than solution A
A pH = 9
B pH = 7

22. pH scale measures amount of acidity or [H+]
1 X10 =[H+] pH =___
[H+] [OH-] = 10
If [H+] = 10 , then [OH-] = 10 -7 -4
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