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Unit 4: Rivers and Erosion

Unit 4: Rivers and Erosion. 10/15/12. Erosion Reflection. Do Now Thinking about the video clip we watched about the Grand Canyon, try to describe in complete sentences how the Grand Canyon was formed. . 10/15/12. 10/15/12. Observe, Question, Comment.

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Unit 4: Rivers and Erosion

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  1. Unit 4: Rivers and Erosion 10/15/12

  2. Erosion Reflection Do Now Thinking about the video clip we watched about the Grand Canyon, try to describe in complete sentences how the Grand Canyon was formed. 10/15/12 10/15/12 Observe, Question, Comment [Set up the next page of your Interactive Notebook and complete the Do Now] Erosion 28R 28L

  3. Think-pair-share Person A/C: “The Grand Canyon was formed by…” Person B/D: “The Grand Canyon was formed by…”

  4. The Grand Canyon

  5. Shout-outs! Teacher • “Erosion!” Students • “Moving sediments from one place to another.” Teacher • “Sediments!” Students • “Broken down materials moved by water.”

  6. tributary or river system? Tributary

  7. tributary or river system? Tributary

  8. tributary or river system? River System

  9. tributary or river system? Tributary

  10. tributary or river system? River System

  11. Journal Entry Summarize what you have learned today by writing 4 sentences using the following vocabulary words: • Erosion • Sediment • River system • Tributary

  12. HOmework • Update Glossary: • Erosion • Sediment • River System • Tributary

  13. Rate of Erosion Reflection Do Now What is erosion? What do you think would affect how quickly river erosion happens? 10/17/12 10/17/12 Observe, Question, Comment [Set up the next page of your Interactive Notebook and complete the Do Now] Rate of Erosion 29R 29L

  14. Gradient

  15. Discharge

  16. Load

  17. Homework: update Glossary • Erosive Energy • Channel • Gradient • Discharge • Load

  18. Deposition Reflection Do Now What three factors affect water erosion? Explain each. You have a calm river and a rushing river. Which one has more powerful erosion? Why? You have a river flowing from the Sierra Nevada Mountains and a river flowing from the foothills of Los Angeles. Which probably has more powerful erosion? Why? 10/19/12 10/19/12 Observe, Question, Comment [Set up the next page of your Interactive Notebook and complete the Do Now] Deposition 30R 30L

  19. Magic School bus: rocks and rolls • What type of erosion happens as the bus is first falling? • What do we call the settling of rocks? • What did the ice do to the landscape? • What force of erosion is causing the land under the statue to disappear? • What factors may be causing the river to flow so quickly? • Why is the bus stopped? What do you notice about the water flow? • What is happening to Captain Walker’s statue? • What happens to rocks in a fast flowing river?

  20. Update Glossary Deposition • Alluvial Fan • Delta

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