What is energy?

Energy is the ability to do work.

Gears transfer or move energy.

You will build a simple or a complex gear train.

Less Comfortable: Build a simple gear train with at least 4 gears.

Comfortable: Build a compound gear train with at least 4 shafts.

More Comfortable: Build a compound gear train with at least 3 shafts that gears up and or gears down.

Gearing up and Gearing Down, explained