1.  What is the angle formed in a water molecule?

 

 

2.  Which part of the water molecule is positive?  Which part is negative?

 

 

3.  What does the polar (positive and negative ends) character of water molecules do to the freezing temperature and boiling temperature of water?

 

 

4.  What other properties are important to water?

 

5.  Where do salts in the ocean come from?

 

 

6.  How do salts leave the oceans?

 

7.  What two properties affect the density of sea water?

 

 

8.  Where on Earth do mass of sea water tend to sink?

 

 

9.  Where are two places where deep water form?

 

10.  How do the oceans connect to the global Greenhouse effect?

 

 

11.  How does ocean productivity take up CO2?

 

 

12.  What is one proposed way to increase productivity in the world's oceans?

 

13.  What is a limit to the strategy of increasing production to take up CO2?