Hypothesis-The higher the slope, the more erosion, which will form a river.
Procedure-Lay the tub of diatomceous earth flat. Fill graduated cylinder with 100ml of water. Slowly pour water into tub. Notice marks. Lift end of tub 10 degrees. Fill graduated cylinder with 100ml of water. Then slowly pour into tub. Notice marks.
Conclusion- The higher the slope the more erosion, which formed a river. Our hypothesis was correct.
Observations- With no slope it makes a lake and erodes. With a 10 degree slope it erodes and a river starts to form.
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