Curated OER
Secrets of Lost Empires II -- Medieval Siege
Students design a working working model of a trebuchet and demonstrate the power of a Class 1 lever. They test their models by throwing grapes the greatest distance and raising and lowering bricks.
Curated OER
Secrets of Lost Empires II-Pharaoh's Obelisk
Learners identify and analyze how levers work by raising a brick with a shish kebab skewer. Students present their work, explaining what did and did not work, including illustrations of the lever lift from different angles. Learners...
Cornell University
Catapults
Ready, aim, fire! Launch to a new level of understanding as scholars build and test their own catapults. Learners explore lever design and how adjusting the fulcrum changes the outcome.
Curated OER
Medieval Catapults
Students design and build a working catapult or trebuchet to explore the concepts of force, motion, and distance.
Curated OER
Catapults
Students discover the catapult. In this catapult instructional activity, students research the history of the catapult and how it works. They work in groups to build their own catapult using tootpicks, popsicle sticks, rubber bands, and...
Curated OER
Catapult
In this social studies worksheet, students find the words related to the catapult and the answers are found by clicking the button at the bottom of the page.
Science Buddies
Science Buddies: Effect of Trebuchet Arm Length or Counterweight Mass on Project
A trebuchet is a catapult that uses a counterweight to supply the energy for throwing. They were used in the Middle Ages for attacking castle walls. In this project, you build your own model trebuchet and investigate how design changes...
TryEngineering
Try Engineering: Trebuchet Toss
A lesson through which learners design and build a small trebuchet from everyday materials. After building and testing their models, students will compete to see whose prototype produces the farthest launch.