1. What size is your carbon footprint? Switches Switches allow us to turn on and off the power to all sorts of electrical items we use everyday. How many can you think of? Switching things off means we save electricity too! Is electricity endangered like the rainforest?

2. What size is your carbon footprint? Switches Metal foil Folded cardboard Metal foil Here is a switch that is easy to make. Can you see how it works? Is it ON or OFF?

3. What size is your carbon footprint? Switches This one is made from a paper clip and a split pin. Do you think the switch is ON or OFF?

4. What size is your carbon footprint? Switches Which picture shows the switch ON and the switch OFF? A B

5. What size is your carbon footprint? Switches Here is a switch that rotates. Which picture shows the switch ON and the switch OFF? What do you think is beneath the circle?

6. What size is your carbon footprint? Switches Now try and invent your own switch and show that it works! This PowerPoint and lesson are based on work by Ian Mitchell, The Green Egg Company, developed & edited by Amie Andrews for TLCP and Ali Ross, Sundog Energy.