Thursday 27 April 2017

Alka-seltzer Rockets: REDO



If at first you don't succeed, try, try again! 





We adjusted our materials for our experiment and went back outside to  
test our hypothesis!
(We got a little wet, but scientists don't mind a little rain!)

We still found certain types of film canisters that 'couldn't take the pressure' BUT we found a couple canisters that sealed all the gas given off from the chemical reaction. Those rockets allowed the pressure of that gas to build inside the sealed canister until it finally POPPED! Some of our rockets launched higher than the basket ball nets! It was very rewarding and exciting to see those ones lift off. 







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