The teacher switches on the light so the class can see the whiteboard better. The teacher shows the class a video on her computer. Draw an energy chain to show the energy change when he does this
electrical energy --> light energy --> sound energy
15
At break Vikal eats a banana. He then plays football with his friends until he hears the bell ring at the end of break. Draw an energy chain to show the energy change when he does this
chemical energy --> kinetic energy --> sound energy
15
Vikal’s classroom is cold and dark in winter. Before Vikal starts writing in his workbook, he rubs his hands together. Draw an energy chain to show the energy change when he does this
potential energy --> kinetic energy --> heat energy --> kinetic energy
