Entries by Carl

Cookie mining

Cookie mining is a fun activity that might get you thinking about what it take to mine for minerals in the Earth’s crust. Can you extract the minerals without making a mess or destroying the materials around it?

Hoop Gliders

Hoop gliders are pretty cool cause they look like they shouldn’t really be able to fly as well as they do. Two hoops of paper taped to a soda straw actually fly pretty well. This is a pretty simple activity that you have to try just to see how well it really works!

Make a balloon flinker

A balloon flinker is a fun thing to create if you happen to have some birthday party balloons just floating around the house. The idea is to add just enough weight to the balloon to balance out the lifting force of the helium gas in the balloon.

How to make Oobleck

Oobleck is a crazy material made from cornstarch and water that can behave like a solid or a liquid depending on how you treat it. Check out the simple recipe and some experiments you can do at home or in the classroom.

Film Canister Rockets

Film canister rockets are always pretty amazing considering all that powers them is a little bit of Alka-seltzer and water. The launching time is always a bit unpredictable and that just adds to the fun.

Make a Mentos Fountain

This is the now classic “mentos fountain” experiment with a little twist … we use lifesaver candies. Since Lifesavers have a hole in the middle they are just begging to be strung on a paper clip, held in place with a binder clip and then dropped into a 2 liter bottle of soda! Check out […]