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Walking on Glass - Talk Show Host Screams On-Air Doing Science Experiment

Denise Plante and Murphy Huston from the KOSI Morning Show in Denver, Colorado invited me to visit their show to talk about our upcoming book signing for Naked Eggs and Flying Potatoes. Finding science demonstrations that play well on the radio…
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Young Engineers Build Homemade Rockets

I helped the fourth graders at Wilder Elementary test their rocket designs today. Watch the video below from last year to see what this interactive lesson is all about. Earlier in the week, the students watched the movie October Sky, based…

Putting Together an Amazing Science Fair Project

Have you signed up for your school’s science fair but haven’t picked a science fair project? Or are you thinking about joining your science fair but don’t know where to start? Participating in the science fair is an amazing opportunity…
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Tea Bag Rocket - The Updated Version of the Classic Ditto Paper Rocket

The Tea Bag Rocket is really an adaptation of a classic science demonstration called the Ditto Paper Rocket. If you're old enough to have experienced Ditto paper, you'll recall the bluish-purple ink and that unforgettable smell of freshly printed…
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Balancing Nails Puzzle - Bigger Nails Give a Cool Twist on an Old Puzzle

It's a really cool science puzzle... balancing a pile of nails on the head of a stationary nail. I've always liked this puzzle because it gets kids thinking about the center of gravity. In this video, we substituted the small, table-top version…

Think Twice Before You Double-Dip That Chip - Petri Dish Test Tells All

If you're a Seinfeld fan, you undoubtedly remember George Costanza's double-dip chip episode where he takes a chip, dips it, take a bite and dips it again - the famous double-dip. The best line in the whole episode comes from the guy at the…
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Burning Money - Does Anyone Have a $20 Bill?

It's probably not a wise idea to soak a $20 bill in a flammable liquid and set it on fire, but that's what you'll have to do with this science demonstration. Sure, you could use just a $1 bill, but then you don't sweat as much. There is a point…
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Alka-Seltzer Rockets - How to Fuel a Film Canister Rocket with Carbon Dioxide Bubbles

Film 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,…

Oozing Pumpkins - Parking Lot Practice

Some people practice in a lab... we practice in a parking lot. It's easier to clean up.
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Balloon Boy Helium Physics - How Much Helium Would It Take to Lift Falcon?

Since the location of the Balloon Boy saga is about 60 miles north of our offices in Englewood, Colorado, we've received a number of phone calls and e-mails about the science of helium... specifically the lifting power of this inert gas. We…