Tag - Alka Seltzer

September 21, 2010

Television Secret #147 – Smart, Cute Kids Make Any Segment GREAT!

One of my favorite parts of hosting Science Mondays on KUSA-TV 9News is having guest helpers… and yesterday was no exception. I spent the afternoon with Sophie (6th grader) and Makayla (4th grader) as we experimented with different versions of the Bubbling Lava Lamp experiment.

Since this is live television, there’s no retakes or do-overs, as they call them. As you’ll see in the video, these sisters stole the show. When I watch other television science demonstrators work with kids, one of the things I look for is how scripted and rehearsed the kids are. As great as Mr. Wizard was back in the 1960s, his kid helpers were so overly scripted that it was comical. For example, when Mr. Wizard asked why the egg went into the bottle, little Susie replied, “Is it because the combustion in the flask created a rise

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June 3, 2010

Alka-Seltzer and Water in Microgravity – Amazing Results!

We all know what happens when water mixes with Alka-Seltzer in a film canister… the build up of carbon dioxide bubbles is powerful enough to pop the cap. But what would happen if there was no film canister and the Alka-Seltzer and water mixed in mid-air? Sounds crazy, but this video of Alka-Seltzer mixing with a big sphere of water in microgravity is amazing.