2. Who Wants To Be A Millionaire (Scientist)? Answer these questions by simply holding up the letter of your choice on your whiteboards.

3. 1.What is the name of this piece of electrical equipment? Cell Battery Bulb Switch A B C D

4. Incorrect Return to Start A C D Next question

5. Correct Correct – Well done! B Return to StartNext question

6. 2.What is the name of this piece of electrical equipment? Cell Battery Bulb Switch A B C D

7. Correct Well done A Return to StartNext question

8. Incorrect Return to Start B C D Next question

9. 3.What is the main energy transfer in a lamp? Light to electrical Electrical to chemical Electrical to light Heat to electrical A B C D

10. Incorrect Return to Start A B D Next question

11. Correct C Return to StartNext question

12. 4.This is the circuit symbol for which piece of electrical equipment? Cell Battery Bulb Switch A B C D

13. Incorrect Return to Start A B C Next question

14. Correct Correct! D Return to StartNext question

15. 5.This is the circuit symbol for which piece of electrical equipment? Battery Fuse Switch Resistor A B C D

16. Incorrect Return to Start No. A B C Next question

17. Correct D Return to StartNext question

18. 6.Electricity flows through a wire. We call this a current. Current is measured in what units? Watts Volts Joules Amps A B C D

19. Incorrect Return to Start A C D Next question

20. Correct Well done! B Return to StartNext question

21. 7.What instrument do we use to measure electric current? Ammeter Wattmeter Joulemeter Voltmeter A B C D

22. Correct Well done!. A Return to StartNext question

23. Incorrect Return to Start B C D Next question

24. Make the voltage bigger Make the current smaller Make the current bigger Make the voltage smaller A B C D 8.All lamps have some resistance. Putting a lamp with large resistance into a circuit will….

25. Incorrect Return to Start A B Next question C

26. Correct Well done! D Return to StartNext question

27. 9.You have identical lamps and cells, Which combination gives the brightest circuit? One cell connected to one lamp Two cells connected to two lamps in series Two cells connected to one lamp Two lamps in parallel connected to one cell A B C D

28. Incorrect Return to Start A B D Next question No, not quite!

29. Correct C Return to StartNext question

30. 10.A fuse is used in some electrical circuits. Why is this done? To prevent voltage from getting too big To create a warning sound in case of danger To provide light and heat To prevent current from getting dangerously large A B C D

31. Incorrect Return to Start A C D Next question

32. Correct Well done! B Return to StartNextNext questionquestion

33. In a circle In a loop. In series In parallel A B C D 11.Two lamps are connected side-by- side, so that the current is shared between them. We call this connected …?

34. Incorrect Return to Start A C D Next question

35. Correct Well done! B Return to StartNext question

36. 12. Lamps in your house are often connected in parallel. This is a good idea because….? You can switch them on and off separately They are cheaper. They are dimmer They use less current A B C D

37. Incorrect Return to Start B C D Next question

38. Correct Well done! A Return to StartNext question

39. 13.Two lamps are connected in line, so the current flows through each. They are said to be connected how? In a circle In a loop In series In parallel A B C D

40. Correct Well done!. C Return to StartNext question

41. Incorrect Return to Start B C D Next question

42. They use more energy They aren’t as colourful There isn’t a complete circuit If one light breaks they all go out A B C D 14.Christmas tree lights are often connected in series. This is not a good idea because…..?

43. Incorrect Return to Start A C Next question D

44. Correct Well done! B Return to StartNext questionquestion

45. 15. A second identical lamp is added in series to the circuit shown. What will happen? Both lamps will be brighter Both lamps will be dimmer One lamp will be brighter and the other dimmer The cell will have more voltage A B C D

46. Incorrect Return to Start A B C Next question No, not quite!

47. Correct D Return to StartNext question