Sunday, August 25, 2019 Objective: YWBAT describe how ice, rivers, tree roots and animals can cause mechanical weathering. Drill: Describe one way that animals can cause mechanical weathering. Homework Weathering Brochure due tomorrow Drill Sheet Quiz #2 tomorrow

Answer Animals burrow into the ground moving material and exposing new surfaces.

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Today’s Activities Drill Weathering Brochure Conclusion

Chemical or Mechanical: Rocks sliding down a hill Closure Chemical or Mechanical: Rocks sliding down a hill

Mechanical: Rocks sliding down a hill Closure Answer Mechanical: Rocks sliding down a hill