Berkeley Engineering and Mentors
Marshmallow Catapaults
After a brief lecture on levers, torque, projectiles, and the five-step engineering design cycle, young physical science learners or engineers build catapults out of craft sticks. This is an open-ended exploration of what works and what...
Institute of Electrical and Electronics Engineers
Trebuchet Toss
Young engineers work in teams to design and build their own trebuchets according to certain criteria; they must be able to launch a mini marshmallow accurately into a pie tin. Background reading material, a planning sheet for trebuchet...