Charlie gave us a lesson in motion and forces. She used the catapult to demonstrate how the energy was held in the rope when it was extended backwards and this is called 'potential energy' or tension.
Then as she released the catapult the energy travelled from the rope up the catapult and then was released out of the ball as the ball flew through the air.
After this demonstration we all split into groups and created role plays that showed how energy is transferred from one thing to another as they interact, and how motion, energy and forces can be influenced and changed by other forces.
It was a very interesting session and we all enjoyed it very much.
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