What did you learn building your catapult?

1. TORSION RULES 2. That the simplest of catapults, a trebuchet was the last one invented. Europe brought it back from the crusades, about 300 years after its invention by the Chinese. read more

Students learn about catapults, including the science and math concepts behind them, as they prepare for the associated activity in which they design, build and test their own catapults. They learn about force, accuracy, precision and angles. read more

Background A catapult works because energy can be converted from one type to another and transferred from one object to another. When you prepare the catapult to launch, you add energy to it. read more