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Chapter 7, Lesson 2 - Landforms
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Chapter 7, Lesson 2 - Landforms

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  • 1. runoff tributary watershed sedimentChapter 7, meander flood plain Lesson 2 deltaLandforms water gap canyon valley dune landslide
  • 2. runoff – water that runs off Earth’s solid surface
  • 3. tributary – “feeder” streams; small streams and rivers that “feed” into other streams and rivers forming larger streams and rivers
  • 4. watershed – the entire area from which water is drained
  • 5. sediment – pieces of material; sediment can range in size from boulders to gravel, sand, silt and dissolved materials
  • 6. meander – bends, or “S” shapes in a river cause by river currents slowing down in flat land and dropping sediment Click here to learn more about rivers and coasts!
  • 7. flood plain – flat landscape near rivers; the rivers flood the land from time to time and create very fertile soil.
  • 8. mouth (of river) – where a river empties into theocean; river currents slow when they hit the ocean and drop sediment
  • 9. delta – a fan-shaped piece of land that formsfrom sediment dropped at the mouth of a river
  • 10. water gap – a rare, narrow, steep-walled canyon created as water cut through hard rock
  • 11. valley – formed when small channels are deepened and widened by erosion
  • 12. canyon – a deep, V-shaped valley that is usually created as a result of both water cutting into earth and geological forces pushing earth upward
  • 13. dune – sand hill created by wind erosion; found in deserts or at the beach
  • 14. landslide – when water saturates the land andmakes soil loosen and fall; gravity can create landslides, too