Pull-Back Car Stores Energy

It shoots forward without another push. Ask students to predict what will happen. Pull the car backward, hold it, then release. Key idea: The internal spring stores energy while the car is pulled back. Ask: Where was the energy stored? Safety and cleanup: Keep cars on table/floor lanes. https://www.google.com/search?q=%22Pull-Back%20Car%20Stores%20Energy%22%20science%20demonstration%20experiment