We tested erosion for our first river formation test. We took the sand and we piled it up on one side forming a downhill slope. Then, we took a graduated cylinder and poured water down the slope and observed that the water split off into two different streams but it didn't have enough room to join back together. I concluded that rain could possibly form a river under the correct circumstances.
We also tested the effects an earthquake would have on river formation. We used the magnets in the dieatomaceus earth and used the magnetic machine to spin the magnets and simulate what an earthquake would do. All it did was create small dips in the surface so it most likely wouldn't be able to create a stream, but it could help to start a pond or lake.
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