Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Physics, engineering, potential energy, kinetic energy, conservation of energy
IntroductionYou probably know what a catapult is. In the Middle Ages armies would use them to hurl stones at castle walls. But did you know about an even bigger type of medieval siege weapon called a trebuchet? Try this project to build a miniature version! CreditsBen Finio, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.
Materials
Reviews |
Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Physics, engineering, potential energy, kinetic energy, conservation of energy
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