It’s great to get your e-mails and photos of your children and students doing the science activities featured in our Experiment of the Week. These photos are from Sheila Allen, just one of a number of great teachers in the Department of Defense Schools at Ramstein AFB in Germany. Sheila writes…

“Well today was the big day and boy did the children have fun!
I think my favorite was the Expanding Ivory Soap activity, and I picked just the right kid to trick with the Do Not Open Bottle. We were doing an A-Z countdown to the end of school and so for E we did experiments, and we thought your activities really hit the high point for us! There are 9 kindergarten classes at Ramstein Elementary school (K-2) , and it is a good place for science to happen.”

Sheila Allen and her team of mad scientists are a great example of how early childhood teachers are having an incredible impact on the science concepts that young children are being exposed to in the early years of their education. Over the last 15 years, I’ve seen countless examples of early childhood teachers working hard rewriting their science curriculum to include more hands-on science experiences that prompt children to ask “what if” questions and give them the scientific tools to test out even the simplest hypothesis. Sheila Allen and thousands of teachers like her are working hard to meet and exceed the National Science Standards through their innovative teaching methods, they have a passion for learning and an ability to inspire young children… even if that means getting a little messy.

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Not to be out-done by Europeans, students at Male High School in Louisville, KY, set off 300 more geysers than the previous record-breaking effort just a few months ago in Belgium. School officials thought exploding Diet Coke and MENTOS would be a great way for students to blow off a little steam before finals and celebrate a great school year. The students were recognized by the Guinness Book of World Records as the new official record holders with 1800 geysers. All proceeds from the event were donated to the Ronald McDonald House. Congrats to Male High School students… now who will be next in the race for a new geyser world record?

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It's also a good idea to find someone in the audience who you've never met and trust that you won't let them sink into a pit of cornstarch goo. Watch the Cornstarch Water Walk Video View more photos at The Science Behind the Goo - Photos from the Ellen Show

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According to Guinness World Records, the 973 Mentos-powered soda geysers launched at Arena Park in Cape Girardeau, Missouri is an official new record. Jason Lindsey from KFVS-TV in Cape Girardeau shared his goal with us for setting a new world record back in August and needed just a few Geyser Tubes and Mentos® chewy mints to make it happen. "Contributing the materials was the easy part. Our hats are off to the team at KFVS-TV and Jason for setting the record and convincing 1,000 people to show and and get wet," says Carly Reed from Steve Spangler Science.

Whenever a big geyser launch like this one makes the press, there's no end to the number of people who complain that this is a huge waste of candy and soda. Let me respond by saying this… YOU COMPLETELY MISSED THE POINT! The goal is to get people of all ages engaged in doing a science activity, thinking about the science behind the reaction, testing a variation on the reaction, and ultimately sharing their excitement about doing a science experiment. Honestly, name another time or event when a thousand people got this excited about doing a simple science experiment!

For the cost of a bottle of soda and a roll of chewy mints, a teacher just might pique a kid's curiosity and get them to show more interest in science. Who knows? Ask any teacher what kind of price tag he or she would put on that kind of motivation.

Your thoughts? 

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It’s official… I’m flying out to be a guest on the Ellen DeGeneres Show next week. Back in April of 2006 when a producer on the show originally contacted our office, I asked for your suggestions on experiments to do with Ellen. Lots of people suggested my Smoke Rings demo and Ellen might have taken your suggestion (hint, hint). Let’s just say that our office was filled with lots of smoke today as someone practiced shooting cups off of everyone’s head. We’re told that the air date will be next Friday, September 21, 2007. More to come.

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The crew from Modern Marvels on the History Channel visited our science lab back in July to play with some really cold science experiments. In other words, the liquid nitrogen was flowing and the onions were exploding! Mark your calendars… Modern Marvels: Deep Freeze will officially be airing on the History Channel on Tuesday, September 25th at 8pm EST.

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Tune into Food Network’s Unwrapped to get a peek inside the Spangler Science labs as Steve shares the science behind the Mentos Geyser all of that exploding soda. Back in December, I mentioned that a crew from Unwrapped on the Food Network wanted to get the real scoop on the popular Mentos and soda reaction. The crew spent an entire day grabbing the reaction from every angle and trying to understand how all of those tiny bubbles produce such a huge fountain of soda. The episode is scheduled to air on September 24, 2007. Consult your local listing for time and channel.

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Dropping a roll of Mentos into a bottle of soda used to be something that kids did for fun. Now adults are getting into the act. I opened my e-mail and received these cool pictures from the organizers of the event that took place on July 10th in Flower Mound, TX. Representatives from the Guinness World Records certified the record-setting effort, which went off at 6:30 pm inside the Circle R Ranch Rodeo Arena where 850 independent sales representatives from Books Are Fun, a Reader’s Digest Company, simultaneously dropped Mentos into 850 two-liter bottles of soda using the Geyser Tube Toy. The previous Mentos geyser record was set on May 24, 2007 in Cincinnati, Ohio when 504 Mentos-and-Coke geysers were set off.

Watch the Video: The Largest Number of Simultaneous Mentos GeysersÂ

Please remember that you’re looking at 850 screaming adults… not kids… running away. Yes, learning is fun for people of all ages.

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I love Halloween. One of my favorite activities is to “carve” pumpkins using a simple reation inside the fruit. First, you carve the face then carefully replace pieces. After creating a reaction by generating a gas inside and igniting it (ask your local chemistry teacher for the details) the face pieces are blown off with a small explosion.

Halloween is more than 100 days away and I just couldn’t wait. So I initiated the new weather anchor at the local Denver television station by introducing her to carving watermelons. The problem was, we didn’t really carve the watermelon, it exploded. Watch the Video to see how we skipped right over the carving and went straight to exploding.

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Jack is 8 years old and likes to perform (he must get that from his Mom). Three years ago, the owners of Frog Street Press invited Jack to accompany me to their amazing summer conference for teachers called SPLASH. I helped Jack perform his first magic trick in front of a large audience (about 1,200 teachers) and that’s all it took. The Frog Street Press people were kind enough to invite us back this July, and Jack was ready to hit center stage. Jack’s routine is an original twist on a classic magic trick you might have seen performed by another magician using pom-pom balls. The audience in this video consisted of almost 1,700 early childhood educators (primarily pre-K through 2nd grade). Here’s Jack…

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