Science Work

unit 20:ENERGY CONVERSION
Energy cannot be created or destroyed,but it can change from one form to another.
-Burning candle:chemical potential energy,light energy,heat energy.
-Battery operated toy car:chemical potential energy,electrical energy,kinetic energy.
-Paper aeroplane:chemical potential energy,kinetic energy.
-Recorder:chemical potential energy,kinetic energy,sound energy.
-Guitar:chemical potential energy,kinetic energy,sound energy.
-TV:electrical energy,light energy,sound energy,heat energy.
-Speakers:electrical energy,sound energy.
-Electric fan:electrical energy,kinetic energy,heat energy.