Bell Ringer

List 3 parts of a watershed.

• I can describe weathering. • I can list 1 affect of weathering on different

objects.

• Last week—• Watersheds, how, where, when• In which watershed do we live?

What is weathering?

• Two types (physical and chemical) • The process through which rocks or other

materials are broken down.

• Look at the pictures Describe them on your paper!

1. Before & After weathering (physical)

DO not copy!

2.

3.

4. Chemical weathering

5. Chemical weathering

6. Weathering (metal) rust (CHEMICAL)

Homework

• Read pages 284-293• Then do the quick checks (Write the question

and answer)

• Exit: Describe weathering. (What would you tell them that weathering is and how would it affect your bicycle if you left it in the weather?)

• Think—about rain on the bicycle.