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
Young scholars 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. Young...
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. For this catapult lesson, 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 spoons.
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.