1. Round 1 QUESTIONS

2. 1) Aaron’s game boy uses 20J for sound and 70J for light in 3 seconds. How much power does Aarons game boy use? 30W50W Aaron is a loser for playing game boy 25W

3. 2) What is Electric Current? AB CD The rate of flow of charge Lighting going through a wire The rate of flow of chocolate The rate of electricity

4. 3) Which component has the symbol Open switchLDR Closed switchDiode

5. 4) Which component has the symbol CellFuse BatteryLamp

6. 5) _____ charged electrons are rubbed off one material to the other to make them electrically charged. PositivelyStatically ElectricallyNegatively

7. 6) A charged body can be discharged by connecting it to what? WaterFire EarthOxygen

8. 7) Isotopes of an element have a different number of... protonselectrons neutronsatoms

9. 8) What is nuclear fission? AB CD Nuclear rods being sent to a factory Nuclear power transferred through heat Splitting atomic nuclei Joining atomic nuclei

10. 9) What two common substances are used in nuclear reactors. AB CD Uranium 235 + Plutonium 239 Gold + Silver Uranium 253 + Plutonium 239 Uranium 239 + Plutonium 235

11. 10) What does the fissionable substances need to do for fission to occur. AB CD Absorb a protonAbsorb a neutron Release a neutronDestroy a neutron

12. Round 2 QUESTIONS

13. 1)What does A.C stand for? AB CD Alternating Current Area Code Air Conditioning Attachment Circuit

14. 2) What colour is the Earth wire? BlueYellow Green & yellowBrown

15. 3) What is the best material to have as plug casing? CopperPlastic BrassRubber

16. 4) What is the best material to have as plug pins? CopperPlastic BrassRubber

17. 5) Momentum is the product of… AB CD Force and SpeedMass and Velocity Speed and MassVelocity and Force

18. 6) The faster a body is moving the more......it has AB CD Potential energyElastic energy Chemical energyKinetic energy

19. 7) Momentum has both… AB CD Acceleration and velocity Moment and um Magnitude and direction Gravitational and Kinetic energy

20. 8) What colour is the neutral wire in a mains plug? BrownGreen PurpleBlue

21. 9) What does d.c. stand for? AB CD Digital currentDirect current Dangerous circuitDirect Correction

22. 10) How is work done calculated? AB CD Force x distance Force x mass Force / distanceForce + distance

23. Round 3 QUESTIONS

24. 1)What is work done against frictional force mostly converted into AB CD KINETICHEAT LIGHTSOUND

25. 2) Calculate the work done to move a box of feather weighing 6N along a 50km wooden track AB CD 300,000 J 3,000,000 J 300 J 600 J

26. 3) What does kinetic energy of a body depend on? AB CD Direction and Distance Speed and Distance Mass and Direction Mass and Speed

27. 4) As the temperature of a filament lamp increases what happens to the resistance? AB CD Goes out of control Stays the same Increases Decreases

28. 5) What is the symbol for a thermistor ? AB CD

29. 6) What does the slope on a distance-time graph represent? AB CD SpeedAcceleration DistanceTime

30. 7) What does the slope on a velocity-time graph represent? AB CD SpeedAcceleration DistanceTime

31. 9) What is the acceleration measured in? m/s 2 m/h m/sm/h 2

32. 10) What does the flat section on a V-T graphs show? Not moving Moving at a steady speed Slowing downSpeeding up

33. Round 4 QUESTIONS

34. 1)What is the G.F.S on Earth? AB CD 10 N/Kg10 N 1.6 N/Kg1.0 N

35. 2) How is stopping distance calculated? AB CD Thinking x brakingThinking - braking Thinking + brakingThinking / braking

36. 3) Which factor can affect braking distance? AB CD How many passengers you have How much you have had to drink How bad the visibility is What time of day it is

37. 4) Which of the following doesn’t use static electricity? AB CD Paper rollersSmoke precipitators Photocopiers Fuel filling stations

38. 5) If you increase the voltage what will happen to the current? AB CD It will half It will increase It will decreaseIt will stay the same

39. 6) If you increase the resistance what will happen to the current? AB CD It will half It will increase It will decreaseIt will stay the same

40. 7) Which of the following is not a natural form of background radiation? AB CD MedicalRocks Cosmic raysRadon gas

41. 8) As you decrease the temperature what happens to the resistance of a thermistor? AB CD It will half It will increase It will decreaseIt will stay the same

42. 9) What is the mass of a neutron? AB CD 0 Negligible1

43. 10) Which sort of radioactive decay releases 2 protons and 2 neutrons? AB CD heliumgamma alphabeta

44. Round 1 ANSWERS

45. 1) Aaron’s game boy uses 20J for sound and 70J for light in 3 seconds. How much power does Aarons game boy use? 30W50W Aaron is a loser for playing game boy 25W 

46. 2) What is Electric Current? AB CD The flow of current Lighting going through a wire The rate of flow of chocolate The rate of electricity 

47. 3) Which component has the symbol Open switchLDR Closed switchDiode 

48. 4) Which component has the symbol CellFuse BatteryLamp 

49. 5) _____ charged electrons are rubbed off one material to the other to make them electrically charged. PositivelyStatically ElectricallyNegatively 

50. 6) A charged body can be discharged by connecting it to what? WaterFire EarthOxygen 

51. 7) Isotopes of an element have a different number of... protonselectrons neutronsatoms 

52. 8) What is nuclear fission? AB CD Nuclear rods being sent to a factory Nuclear power transferred through heat Splitting atomic nuclei Joining atomic nuclei 

53. 9) What two common substances are used in nuclear reactors. AB CD Uranium 235 + Plutonium 239 Gold + Silver Uranium 253 + Plutonium 239 Uranium 239 + Plutonium 235 

54. 10) What does the fissionable substances need to do for fission to occur. AB CD Absorb a protonAbsorb a neutron Release a neutronDestroy a neutron 

55. Round 2 ANSWERS

56. 1)What does A.C stand for? AB CD Alternating Current Area Code Air Conditioning Attachment Circuit 

57. 2) What colour is the Earth wire? BlueYellow Green & yellowBrown 

58. 3) What is the best material to have as plug casing? CopperPlastic BrassRubber 

59. 4) What is the best material to have as plug pins? CopperPlastic BrassRubber 

60. 5) Momentum is the product of… AB CD Force and SpeedMass and Velocity Speed and MassVelocity and Force 

61. 6) The faster a body is moving the more......it has AB CD Potential energyElastic energy Chemical energyKinetic energy 

62. 7) Momentum has both… AB CD Acceleration and velocity Moment and um Magnitude and direction Gravitational and Kinetic energy 

63. 8) What colour is the neutral wire in a mains plug? BrownGreen PurpleBlue 

64. 9) What does d.c. stand for? AB CD Digital currentDirect current Dangerous circuitDirect Correction 

65. 10) How is work done calculated? AB CD Force x distance Force x mass Force / distanceForce + distance 

66. Round 3 ANSWERS

67. 1)What is work done against frictional force mostly converted into AB CD KINETICHEAT LIGHTSOUND 

68. 2) Calculate the work done to move a box of feather weighing 6N along a 50km wooden track AB CD 300,000 J 3,000,000 J 300 J 600 J 

69. 3) What does kinetic energy of a body depend on? AB CD Direction and Distance Speed and Distance Mass and Direction Mass and Speed 

70. 4) As the temperature of a filament lamp increases what happens to the resistance? AB CD Goes out of control Stays the same Increases Decreases 

71. 5) What is the symbol for a thermistor ? AB CD 

72. 6) What does the slope on a distance-time graph represent? AB CD SpeedAcceleration DistanceTime 

73. 7) What does the slope on a velocity-time graph represent? AB CD SpeedAcceleration DistanceTime 

74. AB CIt speeds up It Change Direction It StopsIt keeps Moving 8) What happens to a moving object if the resultant force on it is zero? 

75. 9) What is the acceleration measured in? m/s 2 m/h m/sm/h 2 

76. 10) What does the flat section on a V-T graphs show? Not moving Moving at a steady speed Slowing downSpeeding up 

77. Round 4 ANSWERS

78. 1)What is the G.F.S on Earth? AB CD 10 N/Kg10 N 1.6 N/Kg1.0 N 

79. 2) How is stopping distance calculated? AB CD Thinking x brakingThinking - braking Thinking + brakingThinking / braking 

80. 3) Which factor can affect braking distance? AB CD How many passengers you have How much you have had to drink How bad the visibility is What time of day it is 

81. 4) Which of the following doesn’t use static electricity? AB CD Paper rollersSmoke precipitators Photocopiers Fuel filling stations 

82. 5) If you increase the voltage what will happen to the current? AB CD It will half It will increase It will decreaseIt will stay the same 

83. 6) If you increase the resistance what will happen to the current? AB CD It will half It will increase It will decreaseIt will stay the same 

84. 7) Which of the following is not a natural form of background radiation? AB CD MedicalRocks Cosmic raysRadon gas 

85. 8) As you decrease the temperature what happens to the resistance of a thermistor? AB CD It will half It will increase It will decreaseIt will stay the same 

86. 9) What is the mass of a neutron? AB CD 0 Negligible1 

87. 10) Which sort of radioactive decay releases 2 protons and 2 neutrons? AB CD heliumgamma alphabeta 