Students will use data they collected from the catapult and trebuchet simulator to design their own catapult or trebuchet that can launch a tennis ball as far as possible. Students will have 2 days to plan, 4 days to build and 1 day to test. Their catapult or trebuchet will be graded along with their documentation of their design process. Students will work in groups of 2. Due November 6th or 8th.