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BCRs

BCRs. What’s good and what’s not?. Sentence 1- Thesis/Introductory Statement You should restate part of the BCR prompt/question here.  This is the main idea of your BCR. Sentence 2-4- Supporting details

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BCRs

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  1. BCRs What’s good and what’s not?

  2. Sentence 1-Thesis/Introductory Statement • You should restate part of the BCR prompt/question here.  This is the main idea of your BCR. • Sentence 2-4- Supporting details • Provide support for your thesis statement. This is where you give proof that what you said in the first sentence is true. Include details and quotes from the text.  Otherwise your introductory sentence doesn’t make sense and is not valid or important. • Sentence 5-8-Conclusion • Wrap up everything that you have said throughout your BCR. Restate the main idea of what you wrote.

  3. Prompt • The oceans are our main source of fresh water. Explain how the oceans provide us with freshwater. Be sure to, • Identify and describe the way in which water from the ocean is turned into fresh water on the land in the water cycle. • Identify some possible pathways for fresh water to travel on the earths surface.

  4. 1 • We get fresh water from the ocean. The water evaporates and goes through the water cycle.

  5. 2 • Water evaporates from the ocean and makes clouds. When it rains the salt from the ocean stays behind, and the fresh water comes to the surface as rain or snow.

  6. 3 • The ocean covers 70% of earths surface, and is the biggest supplier of fresh water. As the water evaporates from the ocean, the salt is left behind. Clean fresh water evaporates and condenses to make clouds. When the water falls back to earth as precipitation, it is fresh water. It can run through rivers, streams and lakes. It could also sink into the ground where it is filtered more.

  7. 4 • Earth’s oceans are the number one source for fresh water supply. The oceans get heated up by the sun causing water to evaporate from the surface. The salt is more dense than the water and gets left behind in the evaporation process. Fresh water is now condensing to form clouds. As the clouds get more dense, they will not be able to hold any more liquid and will precipitate. The water that is falling is now fresh water. That fresh water can make its way into rivers, lakes and streams where humans and animals can use the fresh water. It could also go right into groundwater where it will be filtered further. Even though the ocean starts as salt water, through the water cycle, it becomes fresh water.

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