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Water and the Fitness of the Enviornment
Name ______________________
Date _______________________
Water and the Fitness of the Environment.
Place the characteristic of water in the blank that best explains the following statements.
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1. Water form rain drops as it flows through the air
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________________________
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2. Two pieces of glass are held together by several drops of water.
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________________________
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3. The land adjacent to the ocean has moderate temperatures year round.
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________________________
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4. Many types of materials are able to be dissolved in water.
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________________________
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5. Fish and other aquatic life are able to survive sub zero temperatures.
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________________________
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6. Surface tension
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________________________
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7. Water is able to ascend tall trees.
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________________________
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Answer the following questions concerning the water molecule.
8. Why does the water molecule exhibit polarization?
___________________________________________________________
9. If two water molecules come in close contact a(n) _____________________ bond forms between them.
10. If one were to separate the H and O in a water molecule what type of bond would have to be split?
__________________________________________________________.
11. At what point does water exhibit the maximum number of hydrogen bonds? ____________________________________________________.
12. At what point does water exhibit the minimum distance between molecules? __________________________________________________.
13. Water molecules dissociate into two ions : the _______________ and the ______________________________.
14. This separation is the basis for the _________________________ scale.
15. On this scale the substance that contributes H+ are considered __________________________________________________________,
16. The substances that take up and hold on to the H+ are considered __________________________________________________________.
17. If a solution has a pH of 5, how much more acidic is it than a solution with a pH of 8? __________________________________________________.
18. A(n) ___________________ is a special chemical that has the ability to regulate a solutions pH. If the solution is too acidic it will ______________________________________ H+.
19. All solution contains the ______________________ and the ___________________________________________________________.
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