Maths, Physics Revision Physicss Maths Physics Physics A Level Physics Home Maths Maths Revision hut Energy Transfers Energy is not created or destroyed, it is only  transferred from one form to another.  Here are some examples of energy changes A candle changes chemical energy to  light and heat A falling object transfers Gravitational  Potential Energy to kinetic Energy A crossbow changes Elastic Strain  Energy to Kinetic Energy Other Examples microphone Sound energy to electric energy Loud speaker Electric energy to sound energy Light bulb Electric energy to light energy A firework Chemical energy to light                             and sound energy Electric motor Electric energy to Kinetic energy