1. Do now! Can you complete the sheets you started last lesson? (8Ke/3 “A question of colour” and 8Ke/5 “Follow the rays”)

2. Last lesson Seeing colours

3. We see things because light is reflected into our eyes

4. Red objects only reflect red light

5. A Red objects in green light would look black (no reflected light)

6. Combining light

7. Today’s lesson Light meter investigation

8. But first! You’re going to have a “rocks” test (actually two units, 8G and 8H) next Monday 19 th May. You need to stick in the extra target and summary sheets.

9. Light meter investigation What could we investigate using a light meter? Let’s give them 5 minutes to come up with five aims for an investigation.

11. What are you going to do?

12. Decide what variable you are going to investigate and write an aim for your investigation.

13. What are you going to do? Write a list of the equipment you need in the apparatus box.

14. What are you going to do? Write a short method, making sure you make it clear how you are going to make a fair test.

15. What are you going to do? Design a table of results.

16. What are you going to do? Do the investigation!

17. What are you going to do? Plot a suitable graph.

18. What are you going to do? Write a conclusion explaining what you have found out.

19. What are you going to do? Write a short evaluation explaining how you could improve the investigation.

20. Go!