Sagot :
Chemical energy**
A matchstick has a lot of chemical energy stored in it. When the match is struck, it burns and the chemical energy in it produces heat energy and light energy. Candles also possess a lot of chemical energy. So does petrol.
Chemical energy**
A matchstick has a lot of chemical energy stored in it. When the match is struck, it burns and the chemical energy in it produces heat energy and light energy. Candles also possess a lot of chemical energy. So does petrol.