GCSE OCR Combined Science A Papers 6 and 12

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OCR Combined Science A Papers 6 and 12

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OCR Combined Science A Papers 6 and 12

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#1. Calculate the mass of a vehicle with a momentum of 42000 kg m/s and a velocity of 25 m/s. Include the units in your answer. ? momentum equation is available in the description below the quiz

#2. When objects with motion collide, the total momentum will be the same after the collision as before the collision. There is no change in overall momentum. What do we call this Law of Physics?

#3. Which of these is an example of transverse waves?

#4. Which of the following is the correct equation for work done?

#5. What is gamma radiation?

#6. Which of the following is an advantage of crude oil?

#7. What wavelength of the electromagnetic spectrum is useful for cooking?

#8. What is the purpose of the earth wire in a plug?

#9. An electric motor does 70,000 J of work in 200 s. Calculate the Power of this action. Include the units and answer to 1d.p ? Do not include your workings in your answer

#10. Calculate the force when an object changes its momentum by 2550 kg m/s in 5 seconds. Include the units for force in your answer.

#11. What is an alpha particle?

#12. What do we use to slow the rate of heat loss out of a house?

#13. Is solar power renewable?

#14. What wavelength of the electromagnetic spectrum is useful for thermal imaging?

#15. Which is the correct definition for non-renewable energy resources?

#16. Is coal a fossil fuel?

#17. True or false – x-rays and gamma rays can cause DNA mutations or damage to cells in the body?

#18. Calculate the momentum of a vehicle with a mass of 1500kg and a velocity of 35m/s. Add the units “kg m/s” after your answer ? momentum equation is available in the description below the quiz

#19. Which of the following can be used to measure reaction times?

Select all that apply:

#20. What is the purpose of fuses and circuit breakers?

#21. Is nuclear fission renewable?

#22. In transverse waves are the vibrations parallel or at right angles to the direction of wave travel?

#23. How can electrons change orbits?

#24. What wavelength of the electromagnetic spectrum has the most energy?

#25. What wavelength of the electromagnetic spectrum is useful for security marking?

#26. Which process transfers heat through vibrations between particles?

#27. What does E represent in the equation for work done?

#28. Which form of radiation is moderately ionising?

#29. What wavelength of the electromagnetic spectrum is useful for sterilising food and medical equipment?

#30. What is the purpose of the neutral wire in a plug?

#31. Which of the following equations correctly describes the relationship between force and change in momentum (Newton’s Second Law)

#32. True or false – electromagnetic waves travel at different speeds in different materials?

#33. What is the shortest wavelength of electromagnetic radiation

#34. Complete the equation for power. Power (W) = work done (J) / ……..

#35. What is a beta particle?

#36. What is an ion?

#37. What wavelength of the electromagnetic spectrum is useful for photography?

#38. What wavelength of the electromagnetic spectrum is useful for communications?

#39. The equation for work done is E = F x d. Calculate the distance moved when a 650 J of work is done to move a 160 N object. Leave your answer to 1 d.p and include the units. ? Do not include your workings in your answer

#40. What do we call the energy transferred by a force?

#41. What is the source of energy for the sun?

#42. Is natural gas a fossil fuel?

#43. Renewable energy resources mostly get their energy from the same source what is this source?

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#44. What is the purpose of the live wire in a plug?

#45. Which of the following is a disadvantage of solar panels?

#46. Why is it dangerous to connect a live and earth wire?

#47. Which form of radiation is least ionising?

#48. How is fossil fuel usage changing as a percentage of total energy production worldwide?

#49. What is an isotope?

#50. Which is the correct definition for renewable energy resources?

#51. What are positrons?

#52. True or false – electromagnetic waves can travel through a vacuum?

#53. What are fossil fuels?

#54. In longitudinal waves are the vibrations parallel or at right angles to the direction of wave travel?

#55. Which of the following is a difference between circuit breakers and fuses?

#56. Waves that pass a boundary between two materials change speed and also change direction. What is this change of direction called?

#57. True or false – x-rays have longer wavelengths than visible light?

#58. Do light waves speed up or slow down then they go from air into water?

#59. Is this statement correct? When measuring momentum, if two objects are travelling in opposite directions, one object will be given a negative momentum (e.g. – 250 kg m/s).

#60. Which of the following are reasons why hydroelectric dams are problematic?

Select all that apply:

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