DiscoverE
Design a Catapult
Just this once, it's okay to throw things in class. Out of craft sticks and rubber bands, pupils build catapults to launch an object of choice. This can be a ping-pong ball, a marshmallow, or any other small item. As long as it hits the...
LABScI
Catapult: Flight of the Marshmallows
Watch your marshmallows fly. The engaging STEM activity has groups create a catapult to launch marshmallows. After testing their prototypes, they consider improvements and redesign their catapults.
Curated OER
Motion, Forces, Energy and Electricity
What a wonderful way to explore motion and forces! Learners design a catapult, after watching a video and discussing types of catapults. This is a comprehensive and complete lesson with links to supplementary resources.
Curated OER
Simple Machines, Odd Machines
Students recognize and identify common objects that can be used as a lever. In this simple machines instructional activity, students experiment with materials to design and construct a machine that uses a lever. Students also design and...
Curated OER
KS2 Forces and Motion
Students participate in a variety of activities of scientific principles. In this science instructional activity, students experiment with spaghetti and marshmallows to build a strong structure, balance nails on a nail, and use...
Curated OER
Simple Machines, Odd Machine
Learners construct a device to 'launch' a marshmallow at the teacher and then discuss various forms of levers. They work in teams to design catapults and identify different kinds of levers.
Curated OER
Simple Machines, Odd Machine
Middle schoolers examine levers and design a machine that uses a lever as a central component. In this lever machine lesson students test various machine designs and evaluate their effectiveness.