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Film Canister Rockets
by Erika P
Jul 20, 2012
At the end of last school year, we made rockets out of film cansiters, using either alka seltzer tablets or a mixture of baking soda and vinegar. They worked out alright, but is sure was quite a feat to get the lids on before the canister 'exploded' in your hands. We utilized a few tricks, i.e. sticking the alka seltzer to the lid with poster putty, or putting tissue over the opening and pouring the baking soda on the tissue before putting on the cap and turning it upside down. Those helped, but you had to be pretty crafty and quick. Well, this summer at our VBS program we purchased some nice red film canisters and these fizzie tabs for a very economical price. The fizzie tablets work like a charm!!! They are meant for making a drink. They take long enough to dissolve so the student can slowly put on the cap and flip it out for launch. They actually launch higher than the other concoctions. The company we bought it from was Group. The item is in their Sky VBS.
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my 2 cents If there are any teachers who have perfected this activity, please let me know the specifics of how you did it! I have been trying to improve the film canister rockets. Any and all tips are appreciated. To Erika, can you be more specific about what the fizzie tabs are?

On 7/20/12, Erika P wrote: > At the end of last school year, we mad...See More
Jul 25, 2012
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hst I have done this with alka selzer tablets, but used only 1/4 tab in the canister. Experiment too with the amount of water until you get the time delay desired.

On 7/25/12, my 2 cents wrote: > If there are any teachers who have perfected this activity, > please let me know the specifics of how you did it! I have > been trying to i...See More
Jul 30, 2012
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Ashley That sounds like a fun activity for the students! They have things like this on MythBusters/Bill Nye, so I'm sure my students would love to see it in action! Thanks for the tips, too!

On 7/20/12, Erika P wrote: > At the end of last school year, we made rockets out of film > cansiters, using either alka seltzer tablets or a mixture &...See More
Oct 9, 2012
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