1. Saturday, February 13, 2016 Objective: YWBAT define weathering and soil formation WOW. Drill: Describe the similarities between the ways tree roots and ice mechanically weather rock. Homework Study WOW! Rocks Test make-up tomorrow.

2. Answer Both tree roots and ice enter cracks in rock and expand, making the cracks wider and shattering the rock.

3. Did you know…? Before the Japanese government built a concrete base on Mount Fuji, as much as 300,000 tons of rock and soil were lost down the mountainside every year.

4. Today’s Activities  Drill  Study Jam – Weathering and Erosion  Review WOW – pictures  Quizlet  Conclusion

5. Weathering WOW  Use the glossary and check your definitions.  Compare with the people at your table and come up with the BEST images for each definition.  Create a new quizlet set titled “Weathering and Soil Formation”

6. Closure Chemical or Mechanical: an alpine glacier advancing down a valley

7. Closure Answer Mechanical: an alpine glacier advancing down a valley