For one of our River Formation experiments we tried the Run-Off.
Hypothesis: my group decided that we're going to make a mound from the diatamaceous earth and pour water on the top to form a river.
Our Observation:
After we built the mound in one of the 4 corners, we filled a graduated cylinder with water and poured it slowly on the top of the mound. At first the water ran down in all directions making little streams. Then, after some time, it made a pond/lake on top and a stream became a big river.
So the Run-Off was a type of river formation.
Next, we tried an Earthquake.
Hypothesis: We wanted to make a lake and fill it up with water. Then, when the water is up to the top, we would shake the box as if a earthquake was occurring, and see if a river will form that way.
Observation: When we shook the box, the water from the lake spilled out and went everywhere. The experiment didn't make a river, but ponds.
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