Instructions: Cut and stick each of the statements below in your books, one at a time. Explain how you know under each statement. Use diagrams if it will help to explain your answer. I know the difference between electricity from batteries and mains. I can construct a simple circuit. I can say why some simple circuits will work and others will not. I know what an electrical conductor is and I can name some. I know what an electrical insulator is and can name some. I can construct a switch. I can explain how to change the brightness of a bulb.