1	Ocean Unit Dare to try By: Giggle Pie1 PS: This will help you on your S.O.L. test!
2	Question 1 What are ttrenches ?
3	Question 2 What is Salinity?
4	Question 3 What are the continental shelf, slope, and plain?
5	Question 4 What is this a picture of?
6	Question 5 How Does A Food Chain Become A Food Web?
7	"5^th Grade" 5^th Grade S.O.L 5.6 5^th Grade Rocks
8	Answer 1 The trenches are very deep and similar to canyons on land. The deepest trench is in the Pacific Ocean. It is called the Marianas Trench. It is 7 times deeper than the Grand Canyon!
9	Answer 2 Salinity is the amount of salt in the water. Salinity is measured in parts per thousand (PPT). Ocean water has an average salinity of 35 ppt but can vary between 32 ppt – 37 ppt. Fresh water has a salinity of .05 ppt. Salinity is a characteristic of the ocean that affects where marine organisms can live. The ocean animals cells use the process of osmosis to regulate their body’s salinity when moving into and out of areas of water where the salinity varies. Osmosis is when higher concentrations of salinity are pulled into lower concentrations of salinity through the cell membranes.
10	Answer 3 The continental shelf is that part of the ocean floor that begins at the shoreline and gently slopes underwater to an average depth of about 430 feet. The slope begins at the edge of the continental shelf and plunges down to depths of over two miles. The plain is the flat area of the ocean floor.
11	Answer 4 It’s a current. A stream of water that flows through the ocean like a river is a current. The current that flows in a northerly direction on the coast of the US is the Gulf Stream. Surface currents are driven by the wind.
12	Answer 5 When two or more food chains overlap and connect, a food web is formed.