TAG: bob

This is by far the best way to serve a can of Pringles. Inside of most large rockets is a supply of hydrogen and oxygen. When the mix of the two is just right, it creates an explosion with a huge amount of energy. In rockets, this energy get the rocket into space. In […]

This impressive reaction is sometimes called, “The Barking Dog.” Watch the video and you’ll see why. It combines a very flammable chemical called Carbon Di-sulfate and the gas Nitrous Oxide. Nitrous Oxide is often used in race cars to give the car a sudden burst of oxygen energy. As the fire travels down the […]

If you’re reading this, it means you are officially checking out the new sciencebob.com. Sciencebob.com has been around since 1997 and gets millions of visitors every year. Now its got a whole new look, new videos, and it features downloadable and printable versions of your favorite experiments and science fair ideas. And, even better the […]

Eggshell Geode Crystals This project comes to us from Melissa Howard who is a Mom, Blogger, and photographer. This project nicely demonstrates how real-life geodes are formed in igneous and sedimentary rock. It also demonstrates super-saturated solutions and shows a nice variety of crystal shapes and formations. YOU WILL NEED: clean eggshells water a variety […]

This Science/4th of July themed Rube Goldberg Machine chain reaction device took 2 weeks of building and testing. The hardest part (aside from getting it to consistently work) was nailing in over 1,000 nails for the marble drop section. You can’t go wrong in a demonstration that uses chemical reactions, high voltage electricity, an Einstein […]