Film Canister Rockets
What you need:
Instructions:
What happened?
Additional Activity:
- An old film canister that is POP-IN NOT POP-ON (Pop-ins are usually clear, but pop-ons are black and gray)-you should be able to buy one at a photo store or science supply store or you may even find it in your garage
- Water
- Alka-Seltzer tablets
- Timer or clock (to time the experiment)
- Goggles/ protective eyewear (to be worn throughout the experiment)
Instructions:
- Fill the canister halfway with water
- Break the Alka-Seltzer tablets into fourths
- Drop all four pieces at once
- Quickly close the lid, and move away! Do not put your face directly over the canister!
- Time the reaction
What happened?
- A chemical reaction occurs and created Carbon Dioxide
- The Carbon Dioxide popped the lid off
Additional Activity:
- Do additional trials, but change the amount of water and/or Alka-Seltzer in the canisters