Mock test. 1 hour and 45 minutes. 95 marks available.
Each time the test is taken it will present different questions.
GCSE OCR Combined Science B Papers 3 and 7
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Well Done you passed the test! You’re on your way to getting the grades you want!
Why not try another Science Mock Exam and see how well you do?
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#1. What wavelength of the electromagnetic spectrum is useful for sterilising food and medical equipment?
#2. How is renewable energy usage changing as a percentage of total energy production worldwide?
#3. A student sets up a series circuit that has two filament lamps, a power source and a switch after the first lamp. Can the first lamp be turned off whilst keeping the second lamp on?
#4. What is the acceleration of an object that has an initial velocity of 10m/s and a final velocity of 50m/s. The object took 15s to accelerate to the final velocity.
Use the following equation:
a = (v − u)
t
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#5. Vectors have which of the following quantities?
#6. Which form of radiation is least ionising?
#7. A train is travelling at 45 miles per hour. The driver puts on the brakes in order to stop at the station. Where is the kinetic energy of the train being transferred to?
#8. What is displacement?
#9. What is acceleration?
#10. What is a battery?
#11. What is this component?
#12. What is this component?
#13. Which theory do we use to describe states of matter?
#14. Is solar power renewable?
#15. Why are metals good conductors?
#16. What is the function of a resistor?
#17. What is an isotope?
#18. Which of the following equations correctly describes the relationship between force and change in momentum (Newton's Second Law)
#19. A coil of wire with current flowing through it is an electromagnet. What else do we call a coil of wire?
#20. True or False - Scalar quantities only have magnitude?
#21. An object with a mass of 5kg is 100m above the ground and has 35 J of gravitational potential energy. What will happen to the gravitational potential energy if the mass was increased to 10kg?
#22. Is momentum a vector or a scalar?
#23. Which of the following factors can make reaction times longer?
Select all that apply:
#24. What is the purpose of the earth wire in a plug?
#25. True or False - Vector quantities only have magnitude?
#26. Which greek letter represents density?
#27. What does F represent in the equation for work done?
#28. What is the longest wavelength of electromagnetic radiation
#29. When a light wave enters glass or water from the air, does it refract towards or away from the normal line?
#30. Which of the following is an advantage of using nuclear fission power plants?
#31. What is the function of a cell?
#32. Using the equation ρ = m/V, calculate the density of a gold bar that has a mass of 25kg and a volume of 0.0013m³. Answer to 1 decimal place and give your answer in kg/m³. ? The units for density are kg/m³, do not include them in your answer
#33. In transverse waves are the vibrations parallel or at right angles to the direction of wave travel?
#34. Is nuclear fission renewable?
#35. Kate and Emma both walk up 10 stairs, moving 4.5m higher than before. Emma does this in 2.7 seconds, Kate does this in 3.2 seconds. Which girl has exerted the most power?
#36. Renewable energy resources mostly get their energy from the same source what is this source?
1
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#37. Does the total amount of current change from the positive to the negative terminal?
Because current is conserved.
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#38. Which of the following are ways that a magnetic field of an electromagnet can be made stronger?
Select all that apply:
#39. True or False - Magnetic field lines are used to show how a single north pole would move from north to south?
#40. A bar magnet is a permanent magnet - what does that mean?
#41. Complete the sentence: In the UK the domestic electricity supply has a frequency of ... Hz and is about ..... V.
#42. The needles of plotting compasses are tiny magnets - they always point near the Earth's North Pole - why is this?
#43. What is the rate of acceleration in freefall?
#44. Complete the equation for weight. W = m x ........
#45. 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
#46. Is oil renewable?
#47. Which descriptions are correct?
Select all that apply:
#48. What wavelength of the electromagnetic spectrum have the most energy?
#49. Which form of radiation is moderately ionising?
#50. A student sets up a parallel circuit with two lamps, two switches and a power source. Each lamp is on a separate route, with a switch placed before it. If one switch is turned off, will the lamp on the other route remain on?
#51. Cavity walls are often used to reduce heat loss through walls - why is this effective?
#52. Nickel is a magnetic material - true or false?
#53. For circular motion to take place there must be a resultant force that acts towards the centre of the circle. What is the name of this force?
#54. Is energy a vector or a scalar?
#55. Are ammeters connected in series or in parallel?
#56. This diagram shows the direction of a magnetic field caused by a current flowing through a conductor. Where is the magnetic field strongest?
#57. What is period?
#58. Is hydroelectric renewable?
#59. What is a beta particle?
#60. True or false - electromagnetic waves travel at different speeds in different materials?
#61. Are electromagnetic waves transverse or longitudinal?
#62. How do crumple zones and airbags in cars protect people inside the car in a crash?
#63. How is gravitational potential energy stored?
#64. 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
#65. True or false - electromagnetic waves can travel through a vacuum?
#66. Is speed a vector or a scalar?
#67. Which process fits the description? The warmer parts of a fluid rise and set up a current.
2
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#68. Is oil a fossil fuel?
#69. What is wavelength?
#70. Are voltmeters connected in parallel or series?
#71. Which of these is an example of transverse waves?
#72. How is kinetic energy stored?
#73. What wavelength of the electromagnetic spectrum does a radiator glow at?
#74. Is geothermal renewable?
#75. Calculate the change in height of the tennis ball in the following scenario. A ball weighs 0.15kg - the change in GPE is 100 J - the gravitational field strength is 10N/kg. Answer to 1dp and include units. ? If you do not know the GPE equation, it is listed below the quiz
#76. True or false - microwave radiation at certain frequencies could cause the internal heating of cells in our bodies?
#77. Find the volume of a silver block that has a mass of 159g and a density of 10.49 g/cm³. Give your answer in cm³ and to 1 decimal place.
#78. Which form of radiation is most ionising?
#79. Is velocity a vector or a scalar?
#80. When a substance changes from a solid to a liquid, what happens to the mass?
Stays the same because there has been no change in the number of particles. We say that the mass has been conserved.
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#81. 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
#82. Is tidal power renewable?
#83. Iron is a magnetic material - true or false?
#84. In an equilibrium situation - the forces between two objects are?
#85. What is this component?
#86. Which of the following are problems with using biofuels as a replacement for oil?
Select all that apply:
#87. What is the function of a fuse?
#88. Which layer of the Earth's atmosphere absorbs ultraviolet light?
#89. True or false - x-rays have longer wavelengths than visible light?
#90. What is the equation relating wave speed (v) distance (x) and time (t)?
1
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#91. Which of the following is an advantage of crude oil?
#92. What is this component?
#93. What is this component?
#94. If an object is moving in a circular path - what is happening to its velocity?
#95. What is this Sankey Diagram showing?
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