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Ocean Water Chemistry Earth’s Water Chapter 4.3 Pages 127-131.

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Presentation on theme: "Ocean Water Chemistry Earth’s Water Chapter 4.3 Pages 127-131."— Presentation transcript:

1 Ocean Water Chemistry Earth’s Water Chapter 4.3 Pages

2 Before Reading… Besides Salt, what are some important characteristics of Ocean water?Besides Salt, what are some important characteristics of Ocean water? –Think about how oceans differ from lakes and rivers.

3 Pages 127 & 128½ Where does ocean salt come from?Where does ocean salt come from? What is Salinity?What is Salinity? –What is the average salinity of ocean water? –List some places where Salinity varies. Why? –Describe 2 effects Salinity has on water.

4 Page 129 Write the formula for Density.Write the formula for Density. Which to gases are important for organisms living in ocean water?Which to gases are important for organisms living in ocean water? –Why is oxygen more abundant near the ocean’s surface? How does temperature affect ocean water?How does temperature affect ocean water?

5 Page 130 What 2 properties change with Depth?What 2 properties change with Depth? –Define each of these properties –How do they change as depth increases? Give another property that changes with depth.Give another property that changes with depth.


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