Earth's Surface 

Grade Level: 2nd

Subject: Science

Time Frame: 2 weeks (quarter 2)

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Essential Questions

 

- what causes Earth's surface to weather?
- How can the shape of the Earth change?
- What is erosion?
- How does erosion effect Earth's surface?
- What can be done to reduce erosion?
- How are dams like seawalls and levees? How are they different?
- What type of events on Earth happen very quickly?
- What types of events on Earth happen very slowly?

 

 

By the end of the unit, students will know:

 

- Weathering is the breaking down of Earth's surface
- Erosion is when rocks and soil are carried away
- Water, wind, and ice cause weathering and erosion
- erosion cannot be prevented but it can be reduced
- some events change Earth's surface very slowly while others occur very quickly

 

 

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By the end of the unit, students will be able to:

 

- describe weathering and erosion
- identify and describe causes of erosion
- identify ways to reduce erosion
- identify and describe events that happen quickly 

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Topics

 

- weathering
- water erosion
- wind erosion 
- glacial erosion 

 

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Standards

2-ESS1-1, 2-ESS-2-1, K-2-ETS1-1, K-2-ETS1-2, K-2-ETS1-3