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CRCT Question

CRCT Question. Soil Erosion is mostly caused by what human activity: Building of roads planting tree farms Irrigation Poor farming practices. Due dates. 1. Rough draft Soil: TOMORROW *Don’t need Pictures for rough draft 2. Study guide for final Part II: TOMORROW

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CRCT Question

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  1. CRCT Question • Soil Erosion is mostly caused by what human activity: • Building of roads • planting tree farms • Irrigation • Poor farming practices

  2. Due dates 1. Rough draft Soil: TOMORROW *Don’t need Pictures for rough draft 2. Study guide for final Part II: TOMORROW *Answers on a separate sheet of paper  3. Study guide for test: THURSDAY

  3. Nervous for your final? Use Ms. Evan’s Website!!!! INTERIMS

  4. River Systems

  5. How does a river form? a. Streams join other small streams to form larger ones and eventually all of the water flows into one and forms a river Ex: Suwanee Creek, Ivy Creek, etc. all flow into the Chattahoochee Can you think of another one?

  6. Run-Off b. Network of streams and rivers that drains an area is its runoff.

  7. c. Tributary– a stream that flows into a lake or into a larger streams. d. Watershed (drainage basin) – is the area of land that is drained by a water system. *The largest watershed is the Mississippi river watershed. *Figure 3 page 310

  8. Parts of a River E . Divide – the boundary between drainage areas that have streams that flow in opposite directions F. Load: the materials a river carries. Fast moving rivers carry large particles Extra: A channel is the path that a stream follows. Young streams are narrow and deep. • Erosion makes it wider and deeper-making it a river!

  9. G-Deposition-process in which material is laid down or droppd. A river’s deposition is called sediments • Can make deltas

  10. Extra: A stream’s ability to erode • Gradient: measure of change in elevation. High gradient will give more energy to erode • Discharge: Amount of water that a stream or river carries.

  11. Reshaping Earth’s Surface A. Sand dunes – a mound of wind-deposited sand that keeps its shape even though it moves B. Glaciers – a large mass of moving ice C. Mass movement – is the movement of any material, such as rock, soil, or snow, down a slope

  12. Work and Watch • As you are working, watch the video on Rivers. • Pay close attention to river formation and the effects of erosion and deposition

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