Tag - Alka-Seltzer Rocket

August 16, 2011

The Fear of Becoming Invisible – How Great Teachers Use Science Demos as Object Lessons

We salute and thank all of those great teachers out there who find engaging activities to get their students back in the seats and ready to learn for another school year. If you’re a teacher, you know all too well the challenges we face keeping our students engaged and interested. If we’re not careful, it’s easy for some students to disappear into their surroundings and become that “invisible kid.” This segment featured two demonstrations from our Science of Leadership workshop for teachers that use elements of the science demonstration as a metaphor for learning. Oh, by the way, teachers shared their best first days of school activities on our Facebook Fan page this week.

Take a look at our First Days of School Kit with ideas for getting your students excited about the year after the first bell.

One

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November 30, 2009

Alka-Seltzer Rockets – How to Fuel a Film Canister Rocket with Carbon Dioxide Bubbles

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

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