film-canister-260x250Film canisters have long been a staple on the science teacher’s list of must have items. I can remember visiting the store where we had our film processed and picking up a grocery bag filled with the containers. All of that changed, however, when the world went digital, and our supply of film canisters dried up. This supply issue was probably a blessing in disguise because the problem forced us to come up with a new version of film canister. In the long run we ended up designing a new container to our exact specs with a lid that really seals well. The end result is a great pop! But we also added markings on the side so that you can easily fill the container ¼, ½, ¾ full in your quest to find the best explosion mixture.

Watch the video the see the different kinds of rocket designs or check out the Alka-Seltzer Rocket experiment.

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