8th Grade Science - GIA

Lessons

Chapter 13 - Ocean Motions

1. What elements make up salt?

2. What makes the ocean saline?

3. Where is salinity the lowest?

4. Where is salinity the highest?

5. Why is dissolved oxygen essential for marine life?

6. Why is dissolved nitrogen essential for marine life?

7. Why is dissolved carbon essential for marine life?

8. What makes saline water denser?

9.. Where is water the densest?

10. How are hydrothermal vents essential for marine life?

2:25

1. What is thermohaline circulation?

2. What is another name for the thermohaline circulation?

3. What is the effect of thermohaline circulation?

4. How are surface currents driven?

5. How are deep currents driven?

6. How do surface currents affect climate?

7. How do deep currents affect climate?

8. What causes deep ocean water to become cold?

9. How does altitude affect ocean temperatures and climate?

10. What is the effect of the Coriolis Effect?

11. What is upwelling?

12. What are the effects of upwelling?

(4:33) - Currents, Coriolis Effect, Thermohaline Circulation, Global Conveyor Belt

2:45

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