Reminders 9-17-15 • The following presentation was used to review for the test. topics. . . • • • • • Density Salinity Ocean currents Conveyor Belt El Nino What to study . . . • • • • • • Notebook entries Lab: Density Ice-water Lab Lab: Briny Deep Notes Handout: Ocean Currents Map Activity: El Nino www.bengalfrosh.com What is happening near Greenland that keeps the conveyor belt going? Water is sinking The actual test questions might be . . . Why does some of the warm water of the Gulf Stream flow toward Greenland? a. Water is upwelling in areas near Greenland. b. The Coriolis Effect causes the Gulf Stream to do this. c. There are areas where water is sinking near Greenland. d. There are nutrients near Greenland. 1. What is the volume of 80 cm3 of aluminum in mL? 2. What is the mass of 100 mL of fresh-water? 3. If mass is 100 g and volume is 50 cm3 what is the density? 4. When there is a strong El Nino why is there more rain in Peru? 5. Which has more water molecules? 100 mL of cold water, or 100 mL of hot water? 6. How does rain at the equator affect the salinity of the water there? 7. How often to we have a significant El Nino? 8. Why is the algae spike here? 9. Why does Montana get less snow during a strong El Nino? 10. How does oxygen get into the water near the surface? (2) 11. What is the most important thing that surface currents transport? 12. Why is cold water more dense than warmer water? 13. List the three basic kinds of ocean currents? 14. What change in the atmosphere causes an El Nino to get started? 15. What are the two kinds of excess nutrients in the Mississippi River? 16. What are two things algae provide? 17. Why are the Dead Sea, the Red Sea, and the Med. Sea so salty? 18. In the Briny Deep Lab, which type of water was the least dense? 19. What do density currents transport? 20. What are the three factors that cause surface currents? 21. What does upwelling bring up? 22. How does salt affect water? (2) 23. Why did the ice-water get colder as the ice melted? 24. If the salinity is 30 ppt and you have 1000 grams of this water, how much salt do you have (mass) and how much water (mass) do you have? 25. Where is the heaviest water in the oceans formed? 26. Put these in order from least salinity to highest salinity. Salt Lake, Med. Sea, Baltic, Dead Sea, Atlantic Ocean 27. Why is the salinity of the Arctic Ocean decreasing? 28. What big advantage do the buoys have over the satellites? 29. How does a strong El Nino impact Indonesia? 30. Why can’t most marine animals live in The Dead Zone? 31. What is happening near Greenland that keeps the conveyor belt going? 32. What is the fancy word for “algae”? Honors Essay Questions • • • • • MESPOW #25 Dead Zone in Gulf of Mexico Theory about Conveyor shutting down Density lab www.bengalfrosh.com OPTIONAL 1-3 points extra credit • Fill in answers on study guide • Hand in SOC tomorrow (optional) Study for the test!