chapter 20 section 3 review page 508. 1. describe three methods of desalinating ocean water. heat...
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Chapter 20 Section 3 Chapter 20 Section 3 Review Page 508Review Page 508
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1. Describe three 1. Describe three methods of desalinating methods of desalinating ocean water.ocean water.
• Heat water to evaporate and Heat water to evaporate and then condense the water vaporthen condense the water vapor
• Freezing water creates pure Freezing water creates pure water crystals and then melt the water crystals and then melt the iceice
• Reverse osmosis squeezes water Reverse osmosis squeezes water through a membrane to separate through a membrane to separate the salt from the pure waterthe salt from the pure water
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2. Explain why 2. Explain why distillation can be an distillation can be an expensive method of expensive method of desalination.desalination.
• It requires a lot of energy to It requires a lot of energy to heat water until it evaporates heat water until it evaporates which can be very expensive.which can be very expensive.
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3. List two important 3. List two important mineral resources in the mineral resources in the ocean.ocean.
• SaltSalt MagnesiumMagnesium
• ManganeseManganese BromineBromine
• IronIron CobaltCobalt
• CopperCopper NickelNickel
• PhosphatesPhosphates
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4. Identify the most 4. Identify the most valuable resource that valuable resource that can be obtained from can be obtained from the ocean.the ocean.
• PetroleumPetroleum
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5. Define the term 5. Define the term aquaculture, and explain aquaculture, and explain why aquaculture is why aquaculture is important.important.
• The raising of aquatic plants and The raising of aquatic plants and animals for human use.animals for human use.
• It is important because it is a It is important because it is a reliable, economical source of reliable, economical source of food.food.
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6. Explain why beaches 6. Explain why beaches are especially vulnerable are especially vulnerable to ocean pollution.to ocean pollution.
• Beaches are closest to the likely Beaches are closest to the likely sources of pollution sources of pollution
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The End??? Of Clem….The End??? Of Clem….
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10.10.Use the following terms Use the following terms to create a concept map. to create a concept map.
Desalination, Desalination, distillation, freezing, distillation, freezing, reverse osmosis, reverse osmosis, petroleum, petroleum, aquaculture, fishing, aquaculture, fishing, salt, ocean resource, salt, ocean resource, and pollution.and pollution.
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Ocean resource
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Desalination, Desalination, distillation, freezing, distillation, freezing, reverse osmosis, reverse osmosis, petroleum, petroleum, aquaculture, fishing, aquaculture, fishing, salt, ocean resource, salt, ocean resource, and pollution.and pollution.
![Page 12: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/12.jpg)
Ocean resource
desalination
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distillation, freezing, distillation, freezing, reverse osmosis, reverse osmosis, petroleum, petroleum, aquaculture, fishing, aquaculture, fishing, salt, and pollutionsalt, and pollution
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Ocean resource
fishing desalination
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distillation, freezing, distillation, freezing, reverse osmosis, reverse osmosis, petroleum, petroleum, aquaculture, salt, and aquaculture, salt, and pollution.pollution.
![Page 16: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/16.jpg)
Ocean resource
aquaculture fishing desalination
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distillation, freezing, distillation, freezing, reverse osmosis, reverse osmosis, petroleum, salt, ocean petroleum, salt, ocean resource, and resource, and pollutionpollution
![Page 18: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/18.jpg)
Ocean resource
Petroleum aquaculture fishing desalination
![Page 19: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/19.jpg)
distillation, freezing, distillation, freezing, reverse osmosis, salt, reverse osmosis, salt, and pollutionand pollution
![Page 20: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/20.jpg)
Ocean resource
Petroleum aquaculture fishing desalination
pollution
![Page 21: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/21.jpg)
distillation, freezing, distillation, freezing, reverse osmosis, saltreverse osmosis, salt
![Page 22: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/22.jpg)
Ocean resource
Petroleum aquaculture fishing desalination
pollution salt
![Page 23: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/23.jpg)
distillation, freezing, distillation, freezing, reverse osmosisreverse osmosis
![Page 24: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/24.jpg)
Ocean resource
Petroleum aquaculture fishing desalination
pollution salt
freezing
![Page 25: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/25.jpg)
distillation, reverse distillation, reverse osmosisosmosis
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Ocean resource
Petroleum aquaculture fishing desalination
pollution salt
freezingdistillation
![Page 27: Chapter 20 Section 3 Review Page 508. 1. Describe three methods of desalinating ocean water. Heat water to evaporate and then condense the water vapor](https://reader033.vdocument.in/reader033/viewer/2022061618/56649d985503460f94a82bf9/html5/thumbnails/27.jpg)
reverse osmosisreverse osmosis
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Ocean resource
Petroleum aquaculture fishing desalination
pollution salt
Reverse osmosis
freezingdistillation