1. © NTScience.co.uk 2005KS3 Unit 8k - Light1 Light

2. © NTScience.co.uk 2005KS3 Unit 8k - Light2 Q1. What enters the eye to let us see colours?

3. © NTScience.co.uk 2005KS3 Unit 8k - Light3 A1. Light

4. © NTScience.co.uk 2005KS3 Unit 8k - Light4 Q2. Name a valuable, extremely hard, colourless gemstone

5. © NTScience.co.uk 2005KS3 Unit 8k - Light5 A2. Diamond

6. © NTScience.co.uk 2005KS3 Unit 8k - Light6 Q3. What are lenses, windows and prisms usually made of?

7. © NTScience.co.uk 2005KS3 Unit 8k - Light7 A3. Glass

8. © NTScience.co.uk 2005KS3 Unit 8k - Light8 Q4. What do we call something that can be seen through clearly?

9. © NTScience.co.uk 2005KS3 Unit 8k - Light9 A4. Transparent

10. © NTScience.co.uk 2005KS3 Unit 8k - Light10 Q5. What do we call something that lets light through but does not let us see clearly?

11. © NTScience.co.uk 2005KS3 Unit 8k - Light11 A5. Translucent

12. © NTScience.co.uk 2005KS3 Unit 8k - Light12 Q6. What do we call something that does not transmit light?

13. © NTScience.co.uk 2005KS3 Unit 8k - Light13 A6. Opaque

14. © NTScience.co.uk 2005KS3 Unit 8k - Light14 Q7. Where on an object is the light absorbed or reflected?

15. © NTScience.co.uk 2005KS3 Unit 8k - Light15 A7. The surface

16. © NTScience.co.uk 2005KS3 Unit 8k - Light16 Q8. Give a word that means a picture formed by light.

17. © NTScience.co.uk 2005KS3 Unit 8k - Light17 A8. Image

18. © NTScience.co.uk 2005KS3 Unit 8k - Light18 Q9. What do you see in a mirror?

19. © NTScience.co.uk 2005KS3 Unit 8k - Light19 A9. A reflection

20. © NTScience.co.uk 2005KS3 Unit 8k - Light20 Q10. What do we call the bending of light when it passes from air to water?

21. © NTScience.co.uk 2005KS3 Unit 8k - Light21 A10. Refraction

22. © NTScience.co.uk 2005KS3 Unit 8k - Light22 Q11. What do we call the line at right angles to a surface or interface?

23. © NTScience.co.uk 2005KS3 Unit 8k - Light23 A11. The normal

24. © NTScience.co.uk 2005KS3 Unit 8k - Light24 Q12. What is the scientific term for the incoming light ray?

25. © NTScience.co.uk 2005KS3 Unit 8k - Light25 A12. The incident ray

26. © NTScience.co.uk 2005KS3 Unit 8k - Light26 Q13. Name the main optical component in spectacles(glasses) and telescopes

27. © NTScience.co.uk 2005KS3 Unit 8k - Light27 A13. A lens

28. © NTScience.co.uk 2005KS3 Unit 8k - Light28 Q14. Which colour surface reflects all incident light equally?

29. © NTScience.co.uk 2005KS3 Unit 8k - Light29 A14. White

30. © NTScience.co.uk 2005KS3 Unit 8k - Light30 Q15. Which colour surface absorbs all incident light?

31. © NTScience.co.uk 2005KS3 Unit 8k - Light31 A15. Black

32. © NTScience.co.uk 2005KS3 Unit 8k - Light32 Q16. What is the scientific term for the colours of the rainbow?

33. © NTScience.co.uk 2005KS3 Unit 8k - Light33 A16. Spectrum

34. © NTScience.co.uk 2005KS3 Unit 8k - Light34 Well Done! Now check your score