Wednesday, March 18, 2015

7H Weathering and Erosion

https://docs.google.com/presentation/d/11g_TvONlTP9w06ZiNDVZRPgDbPmqgcCLFzAgM9H-jCU/edit?usp=sharing

In-Class  --    use NY State Coach book
Chapter 45, pages 220-223

1.Compare and contrast mechanical weathering and chemical weathering. Give examples and descriptions of both chemical and mechanical weathering (at least five total examples). Use the slides.
2.Describe some of the factors that impact the rate of weathering on a rock.
3.Define erosion. How is it similar or different than weathering? What are agents of erosion?
4.What is the parent rock with regards to soil formation?

Homework
Mars and the Moon have many impact craters across their surfaces. The Earth has someimpact craters but not nearly as many. Given what you’ve learned these past three weeks about earth sciences, explain, in your own words, why Earth has far fewer impact craters. Use ClaimEvidence and Reasoning to answer this question. Use scientific language. You may use outside sources but cite your source(s).

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