This was our rocket experiment. We put some water in a film canister and put an alka-seltzer tablet in it. We quickly put the lid on and turned it upside down. Then we waited.
Suddenly...
Pop! The film canister went shooting up in the sky! Gas is released when the alka-seltzer tablet mixes with water. The pressure builds up and forces the film canister up. It's not the safest experiment we have done but it was pretty awesome!
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