Mock test. 1 hour and 10 minutes. 60 marks available.
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GCSE OCR Combined Science A Papers 6 and 12
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#1. Which process transfers heat using electromagnetic waves?
#2. Which of the following is a difference between circuit breakers and fuses?
#3. What is wavelength?
#4. What is period?
#5. 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).
#6. What wavelength of the electromagnetic spectrum has the most energy?
#7. What wavelength of the electromagnetic spectrum is useful for communications?
#8. What is gamma radiation?
#9. 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?
#10. All objects emit energy in a certain wavelength. What is this wavelength known as?
#11. Calculate the forces involved in an accident where a 1650 kg car travelling at 20 m/s hits a wall and the car comes to a stop in 0.05 seconds. Use the following equation: Force = mass x final velocity – mass x initial velocity / t (include units in your answer)
#12. Are electromagnetic waves transverse or longitudinal?
#13. What is displacement?
#14. Which of the following are reasons why hydroelectric dams are problematic?
Select all that apply:
#15. Which is the correct definition for non-renewable energy resources?
#16. Renewable energy resources mostly get their energy from the same source what is this source?
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#17. What wavelength of the electromagnetic spectrum have the most energy?
#18. What are positrons?
#19. How is renewable energy usage changing as a percentage of total energy production worldwide?
#20. Is coal a fossil fuel?
#21. Complete the sentence. Power is the rate at which…..
#22. Do radio waves have longer wavelengths than microwaves?
#23. 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.
#24. What is the shortest wavelength of visible light
#25. Which of the following is a disadvantage of nuclear fission?
#26. Which process fits the description? The warmer parts of a fluid rise and set up a current.
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#27. Wave speed is linked to wave frequency and wavelength by which equation?
#28. What is an alpha particle?
#29. Waves that pass a boundary between two materials change speed and also change direction. What is this change of direction called?
#30. What is the purpose of the earth wire in a plug?
#31. Which of these is an example of transverse waves?
#32. Which of the following factors can make reaction times longer?
Select all that apply:
#33. Complete the sentence: …………. is a tendency of an object to keep moving or how hard it is to stop an object from moving.
#34. What is the source of energy for the sun?
#35. Jack moves a cube weighing 250N. He moves the cube by 2.5m in a straight line. Calculate the work done by Jack. Answers to 1d.p, include the units. ? Do not include your workings in your answer
#36. What is an isotope?
#37. What is an electrical fault?
#38. Complete the sentence: Reaction time is the time between a ……. being detected and a ……..
#39. Is tidal power renewable?
#40. Which of the following is a disadvantage of wind energy generation?
#41. Which of these is an example of transverse waves?
#42. Which form of radiation is least ionising?
#43. Is coal renewable?
#44. What wavelength of the electromagnetic spectrum does a radiator glow at?
#45. Which of the following is a disadvantage of fossil fuels?
#46. Fill in the blank – Thermal conductivity is the ability of a material to conduct or pass on heat through …….. with another material?
#47. How is fossil fuel usage changing as a percentage of total energy production worldwide?
#48. What is a beta particle?
#49. Which layer of the Earth’s atmosphere absorbs ultraviolet light?
#50. Which process transfers heat through vibrations between particles?
#51. Which of the following is an advantage of using nuclear fission power plants?
#52. What does E represent in the equation for work done?
#53. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….
#54. How can you reduce the effect of friction in the chain on a bicycle?
#55. How can we upgrade our windows to reduce heat loss?
#56. Is oil a fossil fuel?
#57. 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
#58. Which descriptions are correct?
Select all that apply:
#59. Which of the following can be used to measure reaction times?
Select all that apply: