1. Ocean Facts

2. Ocean Facts…97 What is salinity? What creates salinity?
How does the temperature change in the ocean?
What are the gases found in the Ocean?
What is SONAR?
What are submersibles?

3. Salinity
Salinity - the total amount of salt material dissolved in water
Comes from:
Eroding Land
Reactions at sea floor
Volcanic Emissions
**1**

4. Temperature Changes How does the temperature change in the ocean?
Latitude –water near equator is warmer than water at poles
Depth – Deeper waters = colder (less sun!)
**2**

5. What are the gases found in the Ocean
Gases in ocean similar to that of atmosphere
Carbon dioxide, nitrogen and oxygen

7. What is SONAR?
Uses sound waves to navigate, communicate, or detect objects under water

8. What are submersibles? small vehicle designed to operate underwater
Can be manned or robotic
Affected by pressure under water