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Understanding Landforms: Creation, Types, and Erosion Processes

This lesson covers various landforms, such as mountains, deserts, and valleys, along with their creation processes. Students will learn about erosion, including how weathered particles are moved and deposited by water, wind, and ice, and the role of gravity in shaping landscapes. We'll also explore mass wasting events like landslides and discuss a lab experiment designed to test rainwater effects on sloping land. Homework includes graphic organizers, and students should be prepared for a test on Chapters 4 and 5.

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Understanding Landforms: Creation, Types, and Erosion Processes

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Presentation Transcript

  1. Do Now:Review for quizAfter quiz:Read Chapter 5 section 1Homework:Graphic Organizers due TuesdayTest on Chapters 4 & 5 Tuesday

  2. What are some examples of landforms? • Mountains • Deserts • Dunes • Valleys • Rivers • Plains • Shore lines

  3. How are landforms created? • Erosion: • Weathered particles are picked up and moved • Deposition: • Sediment is placed in a new location

  4. Erosion occurs in 3 ways • Water • Rainwater erodes sloping land • When it reaches river, deposits those sediments • Wind • Carries small particle for long distances • Pushes large particles along ground • Ice • Transports rock and soil as it moves and melts

  5. Force of gravity • Moves water down a slope • Niagara falls erodes the rocks underneath it • Mass wasting • Downhill movements of rock and soil • Landslides in California • Rockfalls/rockslides • Mudflow • creep

  6. Paraphrase this sentence: In a rockfall, individual blocks of rock drop suddenly and fall freely down a cliff or steep mountain.

  7. For lab • Work with your group to figure out how to use soil, water, and trays to test the effects of rainwater on sloping land. • Write a hypothesis to test. • Write down your procedure. • When finished, place papers in center of table. Choose one team member to get me for check. • Carry out experiment.

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