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Chapter 22 – The Water Planet
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  1. Chapter 22 – The Water Planet Topic 1 Topic 2 Topic 3 Topic 4 Topic 5 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 FINAL ROUND

  2. Topic 1:$100 Question • Two factors used to identify a water mass are • a. Salinity and type of phytoplankton • b. Type of phytoplankton and oxygen concentration • c. Oxygen concentration and water temperature • d. Water temperature and salinity ANSWER BACK TO GAME

  3. Topic 1:$100 Answer • Two factors used to identify a water mass are • a. Salinity and type of phytoplankton • b. Type of phytoplankton and oxygen concentration • c. Oxygen concentration and water temperature • d. Water temperature and salinity BACK TO GAME

  4. Topic 1:$200 Question • Sample P is 100 grams of water from the ocean surface in the North Atlantic. Sample Q is 350 grams of water from the ocean surface in the South Pacific. Which statement is not true? • a. Both samples contain about the same percentage of chloride ions. • b. Both samples contain about the same mass of dissolved ions. • c. Both samples contain the same types of ions • d. Both samples contain magnesium ions. ANSWER BACK TO GAME

  5. Topic 1:$200 Answer • Sample P is 100 grams of water from the ocean surface in the North Atlantic. Sample Q is 350 grams of water from the ocean surface in the South Pacific. Which statement is not true? • a. Both samples contain about the same percentage of chloride ions. • b. Both samples contain about the same mass of dissolved ions. • c. Both samples contain the same types of ions. • d. Both samples contain magnesium ions. BACK TO GAME

  6. Topic 1:$300 Question • If one half of the solar energy that strikes the ocean surface is absorbed in the first meter, and one half of what remains is absorbed in the second meter, and so on, what fraction of the original sunlight reaches a depth of three meters? • a. 1/4 • b. 1/8 • c. 1/16 • d. 1/32 ANSWER BACK TO GAME

  7. Topic 1:$300 Answer • If one half of the solar energy that strikes the ocean surface is absorbed in the first meter, and one half of what remains is absorbed in the second meter, and so on, what fraction of the original sunlight reaches a depth of three meters? • a. 1/4 • b. 1/8 • c. 1/16 • d. 1/32 BACK TO GAME

  8. Topic 1:$400 Question • The deep waters of the ocean tend to be • a. Rich in both oxygen and carbon dioxide • b. Poor in both oxygen and carbon dioxide • c. Rich in oxygen but poor in carbon dioxide • d. Poor in oxygen and rich in carbon dioxide ANSWER BACK TO GAME

  9. Topic 1:$400 Answer • The deep waters of the ocean tend to be • a. Rich in both oxygen and carbon dioxide • b. Poor in both oxygen and carbon dioxide • c. Rich in oxygen but poor in carbon dioxide • d. Poor in oxygen and rich in carbon dioxide BACK TO GAME

  10. Topic 1:$500 Question • Why are diatom shells found in ocean-floor sediments? • a. Diatoms are eaten by creatures that live on the ocean floor. • b. Diatoms form large groups called blooms. • c. Diatom shells settle to the ocean floor after the diatoms die. • d. Many diatoms live on the ocean floor. ANSWER BACK TO GAME

  11. Topic 1:$500 Answer • Why are diatom shells found in ocean-floor sediments? • a. Diatoms are eaten by creatures that live on the ocean floor. • b. Diatoms form large groups called blooms. • c. Diatom shells settle to the ocean floor after the diatoms die. • d. Many diatoms live on the ocean floor. BACK TO GAME

  12. Topic 2:$100 Question • Why are gold and silver not mined from seawater? • a. These metals do not occur in seawater. • b. Gold and silver can be mined more cheaply on land. • c. These metals have few uses and do not need to be mined from seawater. • d. Currently, there is no known method of removing gold and silver from seawater. ANSWER BACK TO GAME

  13. Topic 2:$100 Answer • Why are gold and silver not mined from seawater? • a. These metals do not occur in seawater. • b. Gold and silver can be mined more cheaply on land. • c. These metals have few uses and do not need to be mined from seawater. • d. Currently, there is no known method of removing gold and silver from seawater. BACK TO GAME

  14. Topic 2:$200 Question • The Straits of Gibraltar prevent polar water from entering the • a. Atlantic Ocean • b. Baltic Sea • c. Indian Ocean • d. Mediterranean Sea ANSWER BACK TO GAME

  15. Topic 2:$200 Answer • The Straits of Gibraltar prevent polar water from entering the • a. Atlantic Ocean • b. Baltic Sea • c. Indian Ocean • d. Mediterranean Sea BACK TO GAME

  16. Topic 2:$300 Question • Which pair of factors would both cause salinity to increase? • a. Evaporation and freezing of sea water • b. Freezing of sea water and precipitation • c. Precipitation and melting of sea ice • d. Melting of sea ice and evaporation ANSWER BACK TO GAME

  17. Topic 2:$300 Answer • Which pair of factors would both cause salinity to increase? • a. Evaporation and freezing of sea water • b. Freezing of sea water and precipitation • c. Precipitation and melting of sea ice • d. Melting of sea ice and evaporation BACK TO GAME

  18. Topic 2:$400 Question • The average mass of dissolved salts in 1000 grams of seawater is • a. 1 gram • b. 35 grams • c. 70 grams • d. 100 grams ANSWER BACK TO GAME

  19. Topic 2:$400 Answer • The average mass of dissolved salts in 1000 grams of seawater is • a. 1 gram • b. 35 grams • c. 70 grams • d. 100 grams BACK TO GAME

  20. Topic 2:$500 Question • The density of water at 4C is 1.0 g/cm3. What is the density of ice at 0C? • a. 1.2 g/cm3 • b. 1 g/cm3 • c. 0.92 g/cm3 • d. None of the above ANSWER BACK TO GAME

  21. Topic 2:$500 Answer • The density of water at 4C is 1.0 g/cm3. What is the density of ice at 0C? • a. 1.2 g/cm3 • b. 1 g/cm3 • c. 0.92 g/cm3 • d. None of the above BACK TO GAME

  22. Topic 3:$100 Question • Many of the basic tools of modern oceanography were developed to meet military needs during • a. The Revolutionary War • b. The Vietnam War • c. World War I • d. World War II ANSWER BACK TO GAME

  23. Topic 3:$100 Answer • Many of the basic tools of modern oceanography were developed to meet military needs during • a. The Revolutionary War • b. The Vietnam War • c. World War I • d. World War II BACK TO GAME

  24. Topic 3:$200 Question • The most abundant ion in seawater is • a. calcium • b. chloride • c. sodium • d. sulfate ANSWER BACK TO GAME

  25. Topic 3:$200 Answer • The most abundant ion in seawater is • a. calcium • b. chloride • c. sodium • d. sulfate BACK TO GAME

  26. Topic 3:$300 Question • Which of the following can be removed in usable quantities from seawater? • a. copper • b. iron • c. magnesium • d. uranium ANSWER BACK TO GAME

  27. Topic 3:$300 Answer • Which of the following can be removed in usable quantities from seawater? • a. copper • b. iron • c. magnesium • d. uranium BACK TO GAME

  28. Topic 3:$400 Question • Compared to the average elevation of the continents, the average depth of the ocean is about • a. One half as great • b. One quarter as great • c. Two times as great • d. Four times as great ANSWER BACK TO GAME

  29. Topic 3:$400 Answer • Compared to the average elevation of the continents, the average depth of the ocean is about • a. One half as great • b. One quarter as great • c. Two times as great • d. Four times as great BACK TO GAME

  30. Topic 3:$500 Question • What percent of the ocean’s volume is made up by the mixed layer? • a. About 2% • b. About 5% • c. About 30% • d. None of the above ANSWER BACK TO GAME

  31. Topic 3:$500 Answer • What percent of the ocean’s volume is made up by the mixed layer? • a. About 2% • b. About 5% • c. About 30% • d. None of the above BACK TO GAME

  32. Topic 4:$100 Question • Which of the following is one factor that causes heat to be mixed evenly in the mixed layer? • a. Swimming plankton • b. Temperature differences • c. Strong winds • d. Density differences ANSWER BACK TO GAME

  33. Topic 4:$100 Answer • Which of the following is one factor that causes heat to be mixed evenly in the mixed layer? • a. Swimming plankton • b. Temperature differences • c. Strong winds • d. Density differences BACK TO GAME

  34. Topic 4:$200 Question • Smokers are vents in the sea floor that emit smoke that is black due to fine particles of • a. Iron sulfide • b. bacteria • c. Basaltic magma • d. soot ANSWER BACK TO GAME

  35. Topic 4:$200 Answer • Smokers are vents in the sea floor that emit smoke that is black due to fine particles of • a. Iron sulfide • b. bacteria • c. Basaltic magma • d. soot BACK TO GAME

  36. Topic 4:$300 Question • The zone in which seawater temperatures change rapidly is called the • a. Seasonal layer • b. Mixed layer • c. thermocline • d. None of the above ANSWER BACK TO GAME

  37. Topic 4:$300 Answer • The zone in which seawater temperatures change rapidly is called the • a. Seasonal layer • b. Mixed layer • c. thermocline • d. None of the above BACK TO GAME

  38. Topic 4:$400 Question • Salinity tends to be above average • a. In areas of high precipitation • b. Where large rivers enter the ocean • c. Where icebergs are melting • d. In hot areas ANSWER BACK TO GAME

  39. Topic 4:$400 Answer • Salinity tends to be above average • a. In areas of high precipitation • b. Where large rivers enter the ocean • c. Where icebergs are melting • d. In hot areas BACK TO GAME

  40. Topic 4:$500 Question • Diatoms are one of the most abundant types of • a. bacteria • b. salt • c. zooplankton • d. phytoplankton ANSWER BACK TO GAME

  41. Topic 4:$500 Answer • Diatoms are one of the most abundant types of • a. bacteria • b. salt • c. zooplankton • d. phytoplankton BACK TO GAME

  42. Graphic Question:$100 Question • Question: • a. Choice 1 • b. Choice 2 • c. Choice 3 • d. Choice 4 ANSWER BACK TO GAME

  43. Topic 5:$100 Answer • Question: • a. Choice 1 • b. Choice 2 • c. Choice 3 (correct answer) • d. Choice 4 BACK TO GAME

  44. At what latitudes is the melting of sea ice most likely to be important in decreasing salinity below 33 ppt? Between 60° and 90° north. Low salinities between about 0°and 10° south are due to several large rivers entering the ocean and not due to melting of sea ice.

  45. Explain how electrical conductivity could be used to determine the mass of calcium ions in a sample of seawater when the mass of the whole sample is known. As salinity increases, electrical conductivity also increases. Conductivity is used to measure total salinity. Salinity is then used to calculate the total mass of ions present. The various ions in seawater exist in constant proportion relative to each other. The mass of calcium ions is therefore determined by multiplying the total mass of ions by the percentage of seawater that consists of calcium ions.

  46. Compare the food source of a clam that lives in shallow water near the shoreline with the food source of a clam that lives near a black smoker vent in the deep sea. The base of the food chain in shallow water is phytoplankton that get their energy for photosynthesis from sunlight. Near black smoker vents, the base of the food chain is bacteria that get their energy for chemosynthesis from dissolved hydrogen sulfide gas released from the vent.

  47. Topic 5:$200 Question • Question: • a. Choice 1 • b. Choice 2 • c. Choice 3 • d. Choice 4 ANSWER BACK TO GAME

  48. Topic 5:$200 Answer • Question: • a. Choice 1 • b. Choice 2 • c. Choice 3 (correct answer) • d. Choice 4 BACK TO GAME

  49. Topic 5:$300 Question • Question: • a. Choice 1 • b. Choice 2 • c. Choice 3 • d. Choice 4 ANSWER BACK TO GAME