Museum of Science
Water Balloon Catapult
Fire away! Using a couple of milk jugs, a dowel rod, and a yardstick, individuals build catapults to throw water balloons. Learners notice that the catapult is a simple machine. By making a target, the class has a chance to refine their...
Teach Engineering
The Magician's Catapult
Class members work in pairs to build a catapult to launch a grape a given distance. The catapult project, a compound machine, reinforces pupils' understanding of simple machines.
DiscoverE
Helping Hand
Sometimes we all need a helping hand. Scholars get together to lend a hand in creating an assistive device that must be able to grab a hard-to-reach object. Now that's some help we could all use!