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Erosion and Deposition by Wind, Ice and Gravity

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Updated 3 months ago

1. Slide
60 seconds
Erosion & Deposition by Wind, Ice & Gravity
Erosion is the process of weathering & transportation of materials away from an area. Deposition is the process of deposition of eroded material, such as sand, mud, or gravel. Wind, ice, & gravity are agents of erosion & deposition that shape landforms.
2. Word cloud
120 seconds
Name three processes that cause erosion and deposition?
3. Slide
60 seconds
Erosion and Deposition by Wind, Ice and Gravity
Wind erosion occurs when strong winds move particles of dirt and sand, creating dust storms or sand dunes. Ice erosion occurs when glaciers move across the land, scraping away layers of soil and rock. Gravity erosion occurs when heavy rains cause water to rush downhill, carrying soil and rocks with it.
4. Slide
60 seconds
Did you know?
Wind erosion can create features such as dunes, ripples, and sandblasting. Ice erosion can create features such as cirques, horns, and arêtes. Gravity erosion can create features such as landslides, mudflows, and talus deposits.
5. Open question
300 seconds
What is the difference between erosion and deposition? How do they differ in terms of wind, ice, and gravity?
6. Open question
300 seconds
What are some examples of landforms created by wind, ice, and gravity?
7. Open question
300 seconds
How can we use the processes of erosion and deposition to our advantage?
8. Open question
300 seconds
What can we do to reduce the amount of erosion caused by wind, ice, and gravity?
9. Drawings
450 seconds
Brain break: Draw a banana playing a guitar in a rock band
10. Drawings
1260 seconds
In pairs: Select one task
Question: How does erosion and deposition by wind, ice and gravity shape the landscape?
Wind can cause particles to be picked up and moved. Ice can cause fractures and movements in rocks. Gravity can cause particles to move downhill.
A: Draw a scene of the landscape before and after erosion and deposition. B: Research a human impact on erosion and deposition and draw a scene of the impact.
11. Poll
60 seconds
Which process involves the movement of soil and rock material downhill due to the force of gravity?
  • Erosion
  • Deposition
  • Mass wasting
12. Poll
60 seconds
Which agent of erosion is responsible for shaping sand dunes in deserts?
  • Wind
  • Ice
  • Gravity
13. Poll
60 seconds
Glaciers are formed by the accumulation and compaction of which substance?
  • Rock
  • Sand
  • Snow
14. Poll
60 seconds
What is the process called when wind removes fine particles of soil and carries them away?
  • Plucking
  • Abrasion
  • Deflation
15. Poll
60 seconds
What landform is created when wind deposits sand and forms a curved ridge behind an obstacle?
  • Canyon
  • Sand dune
  • Meander
16. Open question
180 seconds
Work together in pairs: What are the three main types of erosion and deposition caused by wind, ice and gravity?

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