Learning about how electric circuits work is fun! You are going to use so many electrical devices in your lives that it's really important to have some sort of idea about how they work. Working with circuits gives you important knowledge that will help you to use things correctly, to work out why things might not work and how to put that right.
In this worksheet there are lots of different circuits drawn for you. All you have to do is to look at them carefully and decide whether it's going to work or not.