Tornado: Make Your Own Tornado TubeI'm sure many of you have seen the little tube/connectors you can use to connect two 2-liter soda bottles to make a tornado tube. Like this:I've…Read More
Air Pressure and Bernoulli:Clanging CansThis demonstration is very similar to the balloons and the cardboard tubes.There are two ways to try this one:Version 1:First, lay two empty soda cans…Read More
Density: Ivory Soap vs. "Other" SoapAnother simple demonstration involving density....Show the students a bar of Ivory soap and a bar of any other brand of soap. Ask for prediction…Read More
Flatten an Index CardChallenge your students (or family members or friends or anyone else you encounter) to find two ways to flatten an index card, without touching it.To …Read More