Sunday, December 09, 2018 A -Day Objective: YWBAT describe how ice, rivers, tree roots, and animals cause mechanical weathering. Drill: What is weathering? Homework Play Outside!!!.

Weathering is the breakdown of rock into smaller and smaller pieces. Answer Weathering is the breakdown of rock into smaller and smaller pieces.

Did you know…? River rocks are rounded because they have been tumbled in the riverbed by fast moving water for many years.

Today’s Activities Drill Read Chapter 10 Section 1 Begin Weathering Trifold Conclusion

Mechanical Weathering Trifold Trifold must include: About – definition & example Abrasion – wind, water, & gravity – description & illustration Ice wedging – description & illustration Plants – description & illustration Animals – description and illustration It should be neat and spelled correctly

True or False: Very hard rocks do not weather. Closure True or False: Very hard rocks do not weather.

False: Very hard rocks do not weather. Closure Answer False: Very hard rocks do not weather.