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Lakes and Oceans

Lakes and Oceans. Read Chapter 1 Lesson 2Answer the review questions at the end of each section. Lesson Essential Question. How are Earth’s bodies of water formed?. Vocabulary. rift: a long and deep crack reservoir: lake that forms behind a human-made dam trench: deepest ocean valley.

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Lakes and Oceans

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  1. Lakes and Oceans Read Chapter 1 Lesson 2Answer the review questions at the end of each section

  2. Lesson Essential Question • How are Earth’s bodies of water formed?

  3. Vocabulary • rift: a long and deep crack • reservoir: lake that forms behind a human-made dam • trench: deepest ocean valley

  4. Vocabulary • currents: giant streams of ocean water • tidal waves: giant waves • tides: regular rhythmic rise and fall of ocean waters

  5. Activating Strategies • Video: Free write • Turn and Talk: How are streams and rivers formed? • Graphic organizer

  6. Lakes • bodies of water surrounded by land • Greek word= hole • Most formed when water filled a hole or opening in Earth’s surface or where rain water collects in huge holes • Exist on every continent except Antarctica

  7. Turn and Talk • Identify the 5 Great Lakes • Identify a lake that is not a Great lake

  8. Lakes • Crater Lake: western United States formed in a crater of an extinct volcano • Lake Baikal: deepest lake on Earth in Russia • Great Rift Valley formed Lakes Victoria, Tanganyika and Malawi • Huron, Ontario, Michigan, Erie, Superior

  9. Seas • Seas are lakes, not fresh water but salt water • Dead Sea (one of the lowest-lying lakes) • Sea of Galilee • Caspian Sea • Lake Titicaca: highest lake on Earth

  10. Think-Pair-Share • How did Ice Age glaciers form lakes in North America?

  11. Summarizing Strategy • Answer LEQ • How are Earth’s bodies of water formed?(lakes)

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