2. Look, touch, think and compare. Try to look at the inside and outside of each bulb. Page 1 How are light bulbs different from each other? Explore

3. Before you set off, watch part of my CHRISTMAS LECTURE at the Royal Institution and learn more about how traditional light bulbs work. Click here CHRISTMAS LECTURE Be a scientist. Work in a team. Look really carefully at the world around you. Try to find as many lights in different places as possible. Where can we find lights? Investigate

4. Talk about the different lights you can see. Are all lights used to help you see in the dark? Why are lights used in so many places? Page 3

5. Find the seatbelt warning light. When is it on? How does it switch off? Find the petrol warning light. When is it on? How does it come on? Why do some lights need people and some lights do not? How do lights go on and off? Page 4

6. LED light bulbs or traditional light bulbs? How do we choose the best lights to use? Think about Page 5