Ep.23: Drawing Machine

We’re going to make a quick and easy drawing machine that will teach your kids about the conservation of energy! By storing energy in the rubber band (called “elastic potential energy”), you can see for yourself how this transforms into movement (called “kinetic energy”) while making a picture on your paper.

Download the student worksheet that goes with this lesson.

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Ep.22: Cryptarithms

Cryptarithms are a puzzle where the digits are replaced by letters or symbols. When the numbers are replaced by letters of the alphabet and it spells something readable, it’s called Alphametics. http://youtu.be/Y31XvHD8Y28 Download the student worksheet that goes with this ...Read More

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