Question: what happens we two streams come together with big and small cup.
hypothesis: that the water will connect and after a while there will be one big river
materials: water, two cup with hole, tray, sand, rule, computer, wooden wag, clay, bucket.
procedure: we put sand and clay 28cm in the tray and then put it on the wooden wag then put the water in the cups with a hole and poured water in it and put the bucket near the tray on the ground.
observation: we saw that the cup with the bigger hole was so quick and the other one was so slow. The big one formed a valley but the other one formed a valley for a long time and it was steep and it finished later than the first one
conclusion: that there were a river and that was connected in 10cm at then end.
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