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9 search results for: alka seltzer film canisters


Film Canister Explosions

Film Cansiter Explosions Experiment Experiment Fill the film canister approximately 1/4 full with water. Add a Flat Fizzer to the canister, then place the cap on and flip the canister over. Do this as quickly and as snugly as you can. No need to rush but don’t take your time, either. Shake the canister once, […]


Alka-Seltzer Rocket

What happens when you have a build-up of gas? Please don’t answer that question! The gas in question is carbon dioxide and the explosion is nothing short of fun. This experiment uses film canisters and Alka-Seltzer to create a rocket. Warning: It’s impossible to do this activity just once. It is addicting and habit-forming. Proceed […]


4th Graders Building Rockets – Inspired by October Sky

Today, the fourth graders at Wilder Elementary got the strangest homework assignment… Go home and build a rocket! Earlier in the week, the students gather together and watched the movie October Sky, based on Homer Hickam’s novel, Rocket Boys. I was invited to visit each of the 4th grade classes to share some of the […]


Colorado Science Teacher of the Year

Just stick your head above the crowd and someone will shoot at it. One Colorado elementary teacher is getting hit in the head with flying film canisters powered by water and Alka-Seltzer… and the kids are being praised. Colorado Association of Science Teachers selected Shannon Koppenfafer as the Science Teacher of the Year for the […]