Homework YWBAT describe agents of mechanical weathering. Saturday, April 27, 2019 Objective: YWBAT describe agents of mechanical weathering. Drill: Describe three ways abrasion occurs in nature. Homework Study WOW

Answer Abrasion can occur when rocks scrape against each other in a landslide, when rocks are tumbled by water in a river, or when rocks are “sandblasted” by small particles carried in the wind.

Did you know…? Lichens, which consist of fungi and algae living together, contribute to chemical weathering.

Today’s Activities Drill Weathering Trifold Conclusion

Chemical or Mechanical: Lichens and mosses growing on a boulder. Closure Chemical or Mechanical: Lichens and mosses growing on a boulder.

Chemical: Lichens and mosses growing on a boulder. Closure Answer Chemical: Lichens and mosses growing on a boulder.