OCR Combined Science A Papers 6 and 12 Automock

#1. Calculate the total momentum after two objects collide. Object A has a momentum of 20 kg m/s and Object B has a momentum of -15 kg m/s. Include the units “kg m/s” in your answer.

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

parallel

right angles

#3. Which of the following is the source of coal?

dead plankton from millions of years ago

nuclear decay from millions of years ago

dead and buried plant material from millions of years ago

#4. Why is geothermal energy not used more often around the world?

very hot rocks and soil are needed to heat water - occurs only in areas of volcanism

the technology is extremely complex and therefore too expensive for most countries

the amount of energy that is received is too low to make it economically viable

#5. Using the equation: Efficiency = useful energy/total energy, calculate the efficiency in the following scenario. Useful energy = 55 J, Total energy = 100 J. Answer to 2dp.

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

Select all that apply:

Thermometers

Computer programmes

Newton meters

Electric circuits

#7. What is gamma radiation?

two protons and two neutrons but no electrons

an electron

two neutrons without any protons

high frequency electromagnetic radiation

#8. What is the shortest wavelength of visible light

indigo

green

red

yellow

blue

orange

violet

#9. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….

wavelength

amplitude

displacement

#10. Fill in the blank – Thermal conductivity is the ability of a material to conduct or pass on heat through …….. with another material?

Contact

Radiation

Radioactive interactions

#11. Which of the following is the source of oil and gas?

nuclear decay from millions of years ago

dead and buried plant material from millions of years ago

dead plankton from millions of years ago

#12. Is hydroelectric renewable?

yes

no

partially

#13. Complete the sentence: In the UK the domestic electricity supply has a frequency of … Hz and is about ….. V.

30, 230

10, 130

50, 230

50, 25

#14. What is a beta particle?

an electron

high frequency electromagnetic radiation

two protons and two neutrons but no electrons

two neutrons without any protons

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

Slow down

Speed up

#16. Our eyes can detect certain frequencies of light, what do we call these frequencies?

infrared light

ultraviolet light

visible light

#17. Which process transfers heat using electromagnetic waves?

Conduction

Induction

Convection

Radiation

#18. True or false – microwave radiation at certain frequencies could cause the internal heating of cells in our bodies?

false

true

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

they are not replaced and are exhaustible

they are infinite

they are replaced and are inexhaustible

#20. Which of the following best describes energy?

Energy is the force we use to measure how far things move

Energy is the rate at which electricity is transferred

Energy is the ability to do work - make things change

#21. What is an alpha particle?

two neutrons without any protons

high frequency electromagnetic radiation

an electron

two protons and two neutrons but no electrons

#22. What wavelength of the electromagnetic spectrum have the most energy?

microwaves

radiowaves

ultraviolet light

visible light

x-rays

gamma rays

infrared

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

Induction

Convection

Conduction

Radiation

#24. Do ultraviolet rays have longer wavelengths than infrared waves?

Yes

No

#25. The potential danger associated with an electromagnetic wave increases with?

increasing frequency

decreasing frequency

#26. Which descriptions are correct?

Select all that apply:

Live wires are 275V

Neutral wires are 0V

Neutral wires are 10V

Live wires are 230V

Earth wires are 10V

Earth wires are 0V

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

nuclear fission

nuclear fusion

hydrocarbons

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

Select all that apply:

stops navigation by boats

stops migrations of fish

alters the flow of sediment on a river

they produce a very reliable amount of energy on demand

can flood villages or important ecosystems

#29. Is coal a fossil fuel?

partially

yes

no

#30. 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?

Conservation of energy

Conservation of mass

Conservation of thermal energy

Conservation of momentum

#31. 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

#32. Is natural gas renewable?

no

partially

yes

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

x-rays

infrared

microwaves

ultraviolet light

visible light

gamma rays

radiowaves

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

true

false

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

State change

Power shift

Work done

#36. What does F represent in the equation for work done?

Energy

Force

Distance

Power

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

staying the same

falling

rising

#38. Is oil renewable?

partially

yes

no

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

parallel

right angles

#40. 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

1680kilograms

1680 kilos

1680 kilograms

1680kilos

1700 kg

1680 kilogrammes

1680kg

1680 kg

1680

1680 k g

#41. Is geothermal renewable?

partially

no

yes

#42. Is nuclear fission renewable?

no

partially

yes

#43. Which form of radiation is least ionising?

alpha particles

gamma rays

beta particles

#44. Which form of radiation is most ionising?

gamma rays

alpha particles

beta particles

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

the stars

the sun

gravity

antimatter

1

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

true

false

#47. Is coal renewable?

partially

yes

no

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

visible light

infrared

ultraviolet light

x-rays

gamma rays

#49. Is nuclear fission a fossil fuel?

yes

no

partially

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

they are an intermittent electricity source

it is always sunny at the equator

they are more expensive than nuclear fission

#51. Which of the following is a disadvantage of nuclear fission?

it is very complex and expensive

it is not currently commercially viable

it produces only small amounts of energy

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

seismic P waves

sound waves

ultrasound waves

vibrations in a guitar string

#53. Which of the following is a disadvantage of fossil fuels?

they are simple technologies

they are cheap

they produce air pollution

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

Exulation

Isolation

Insulation

Transpiration

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

False

True

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

Provides a return path to the power supply from the appliance

Connects the appliance to the power supply

Provides an alternative (low resistance) path for the current in the case of a fault

#57. What are fossil fuels?

decomposed - crushed and heated organisms from millions of years ago

normal soil which is burned at a very high temperature

living plants that are burned

#58. How can we upgrade our windows to reduce heat loss?

Upgrade to double or triple glazing

Replace with electrostatically repulsive glass

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

Rarefaction

Compression

Refraction

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

Force (N) = change in momentum (kg m/s) x time (s) [F = (mv − mu) x t]

Force (N) = time (s) / change in momentum (kg m/s) [F = t / (mv − mu)]

Force (N) = change in momentum (kg m/s) / time (s) x velocity (m/s) [F = (mv − mu) / t x v]

GCSE OCR Combined Science A Papers 6 and 12

Good Luck!

Results

#1. Calculate the total momentum after two objects collide. Object A has a momentum of 20 kg m/s and Object B has a momentum of -15 kg m/s. Include the units “kg m/s” in your answer.

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

#3. Which of the following is the source of coal?

#4. Why is geothermal energy not used more often around the world?

#5. Using the equation: Efficiency = useful energy/total energy, calculate the efficiency in the following scenario. Useful energy = 55 J, Total energy = 100 J. Answer to 2dp.

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

#7. What is gamma radiation?

#8. What is the shortest wavelength of visible light

#9. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….

#10. Fill in the blank – Thermal conductivity is the ability of a material to conduct or pass on heat through …….. with another material?

#11. Which of the following is the source of oil and gas?

#12. Is hydroelectric renewable?

#13. Complete the sentence: In the UK the domestic electricity supply has a frequency of … Hz and is about ….. V.

#14. What is a beta particle?

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

#16. Our eyes can detect certain frequencies of light, what do we call these frequencies?

#17. Which process transfers heat using electromagnetic waves?

#18. True or false – microwave radiation at certain frequencies could cause the internal heating of cells in our bodies?

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

#20. Which of the following best describes energy?

#21. What is an alpha particle?

#22. What wavelength of the electromagnetic spectrum have the most energy?

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

#24. Do ultraviolet rays have longer wavelengths than infrared waves?

#25. The potential danger associated with an electromagnetic wave increases with?

#26. Which descriptions are correct?

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

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

#29. Is coal a fossil fuel?

#30. 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?

#31. 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

#32. Is natural gas renewable?

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

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

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

#36. What does F represent in the equation for work done?

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

#38. Is oil renewable?

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

#40. 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

#41. Is geothermal renewable?

#42. Is nuclear fission renewable?

#43. Which form of radiation is least ionising?

#44. Which form of radiation is most ionising?

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

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

#47. Is coal renewable?

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

#49. Is nuclear fission a fossil fuel?

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

#51. Which of the following is a disadvantage of nuclear fission?

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

#53. Which of the following is a disadvantage of fossil fuels?

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

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

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

#57. What are fossil fuels?

#58. How can we upgrade our windows to reduce heat loss?

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

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

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