Friday, September 17, 2010

Water, Water Everywhere!

Thursday and Friday we began our study of water. We started out by reviewing the water cycle (hydrologic cycle). Then we examined how water flows through tributaries to feed larger creeks, streams and rivers, creating a watershed and how the continental divide causes all water in the United States to flow either east towards the Atlantic ocean and Gulf of Mexico or west to the Pacific Ocean.

We then discussed erosion and factors that cause different types of erosion. Some classes continued to the stages of a river, but not all classes were able to complete this today. Classes that did not finish will finish Monday. Students should now be able to answer most of the questions we wrote down on p. 20. Here are the questions, in case a student did not write them down.

For this left side activity, you only need to answer the Essential Questions COMPLETELY and THOROUGHLY! (You will need to use more than one sentence to completely answer them!!!)
1. Describe how moving water shapes the surface of the Earth by the process of erosion. List the agents of erosion.
2. Explain how water moves through the water cycle using all the parts.
3. Describe the 3 types of loads.
4. Identify the four stages of rivers and describe the difference between each.
5. Explain three factors that affect the rate of stream erosion.

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