Friday, April 21, 2023A-Day

Objective:

YWBAT describe how ice, rivers, tree roots, and animals cause mechanical weathering.

Drill:

Describe the similarities between the ways tree roots and ice mechanically weather rock.

HomeworkHomeworkPlay Outside!!

Answer

Both tree roots and ice enter cracks in rock and

expand, making the cracks wider and shattering the

rock.

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.

Today’s Activities

Drill

Set – up WOW

Trifold

Conclusion

Create a WOW Folder

Science

* Drills

- Drill 10-6

* WOW

- WOW weathering

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

Closure

Chemical or Mechanical: an alpine glacier

advancing down a valley

Closure Answer

Mechanical: an alpine glacier

advancing down a valley