GCSE OCR Physics A Papers 1 and 3 Automarked

#1. Magnesium is a magnetic material – true or false?

false

true

#2. Magnets have north and south poles – if north and south poles are put close together what will happen?

they will attract

they will repel

nothing will happen

#3. Which theory do we use to describe states of matter?

Particulatory Coherence Theory

Particle/Kinetic Theory

Geometric Theory

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

weight (N)

distance (m)

time taken (s)

#5. Calculate the overall distance travelled by the object in the graph.

#6. What is potential difference measured in?

Volts

Ohms

Coulombs

Amperes or Amps

#7. 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?

Yes

No

#8. What is this component?

#9. Which device can you use to find the direction of a magnetic field?

An anemometer

A potometer

A plotting compass

#10. Using the kinetic energy equation – calculate the kinetic energy of a car with a mass of 1200kg travelling at 10 m/s. Include units. ? If you do not remember the kinetic energy equation it is listed below the quiz.

#11. 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.

#12. Why would a wire carrying a current experience a force near a magnetic field?

The current in the wire creates a magnetic field - this interacts with the other magnetic field, making magnetic forces

The copper in the wire is magnetic and naturally experiences magnetic forces in the presence of a magnetic field

#13. What is the name of the phase change from solid to liquid?

sublimation

evaporation/boiling

melting

condensation

deposition

freezing

#14. What is this component?

#15. What is the name of the phase change from gas to solid?

condensation

deposition

melting

freezing

evaporation/boiling

sublimation

#16. When two magnets are placed alongside each other – what is the best way to describe the shape of the magnetic field they produce?

2-dimentional

erratic

uniform

#17. Which of the following is the correct equation for density?

Density = mass x volume

Density = mass / volume

Density = weight / volume

#18. Why does the temperature of a material stay constant during the transition from liquid to gas?

the particles are figuring out what to do

the particles are breaking the bonds with surrounding particles - this takes energy

the temperature is not relevant to states of matter

#19. What is the name of the phase change from gas to liquid?

evaporation/boiling

condensation

deposition

sublimation

freezing

melting

#20. Does a circuit need to be closed for current to flow?

Yes

No

#21. 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.

5 m/s²

2.6 m/s²

3 m/s²

2.8 m/s²

Use the following equation:

a = (v − u)

t

#22. Which of the following are ways that a magnetic field of an electromagnet can be made stronger?

Select all that apply:

Placing an iron core inside the coil of wires

Reversing the direction of the current

Increasing the current flowing through the electromagnet

#23. Is this a parallel or series circuit?

Series

Parallel

#24. Electrons are negatively charged, so they move to which terminal of a battery or cell?

Negative

Positive

#25. Does a current flow if there is no source of potential difference?

No

Yes

#26. What is the function of a diode?

measures current

gives power to a circuit

two or more cells in a circuit

safety component which can break a faulty circuit

measures potential difference

provides variable resistance

allows current to only flow one way

makes or breaks a circuit

provides a constant resistance

releases light

#27. Aluminium is a magnetic material – true or false?

true

false

#28. What is the approximate radius of a nucleus?

1 x 10⁻³

1 x 10⁻¹⁵

1 x 10⁻⁵

1 x 10⁻⁴

#29. In an equilibrium situation – the forces between two objects are?

equal

unequal

converging

diverging

#30. 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?

Kate

Emma

#31. The needles of plotting compasses are tiny magnets – they always point near the Earth’s North Pole – why is this?

the Earth is round

magnets always point upwards

the Earth has a magnetic core

#32. What is this component?

#33. What is the function of an LED?

measures current

releases light

safety component which can break a faulty circuit

two or more cells in a circuit

provides a constant resistance

allows current to only flow one way

gives power to a circuit

measures potential difference

makes or breaks a circuit

provides variable resistance

#34. Which of the following was the Rutherford Model of atomic structure?

A central nucleus containing protons and neutrons, surrounded by electrons

A mass of positively charged material with negatively charged electrons distributed throughout it

#35. Which scientist proposed the Plum Pudding Model?

JJ. Thomson

Ernest Rutherford

John Dalton

#36. What is the equation for kinetic energy?

KE = 1/2 x mass x speed²

KE = mass x speed x time²

KE = 2.5 x mass x speed²

1

#37. Steel is a magnetic material – true or false?

true

false

#38. What is the name of the phase change from liquid to gas?

sublimation

deposition

evaporation/boiling

condensation

freezing

melting

#39. Fill in the blank: A current flowing through a wire causes a ………. field.

#40. What the the most dense state of matter?

plasma

gases

liquids

solids

#41. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

F = magnetic flux density / current x length

F = magnetic flux density x resistance x current

F = magnetic flux density x current x length

#42. What is this component?

Direction of magnetic field and current along a wire

#43. This diagram shows the direction of a magnetic field caused by a current flowing through a conductor. Where is the magnetic field strongest?

At an intermediate distance from the wire

Further from the wire

Closer to the wire

#44. Why are metals good conductors?

Electrons in the outermost shell of metals are free to move

The atoms in metals are much closer together than non-metals and the electrons are able to jump the small distance between electron shells

Electrons in metals have a 2- charge, giving them more available charge for conducting electricity

#45. Complete the equation for weight. W = m x ……..

Speed

Time

Gravitational field strength

Momentum

#46. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

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

State change

Work done

Power shift

#48. Which of the following are uses for magnets?

Select all that apply:

measuring the melting points of different liquids

loudspeakers

electric motors

generators

confusing mice so they get lost in mazes

checking food for excess radiation

#49. A crane raises a concrete bucket 12m into the air. The bucket including the cement weighs 850N. Calculate the work done. Answer to 1d.p and include the units. ? Do not include your workings in your answer

#50. What is the freezing point of water?

100˚C

25˚C

30˚C

66.5˚C

55˚C

0˚C

#51. What is this component?

#52. Determine the speed of the object between 1 and 3 seconds. ? answer to 2 decimal places

#53. This image shows Flemming’s Left Hand Rule. Which of the following answers are the correct interpretations of the rule? ? Select three answers, one for each finger

The thumb shows the direction of the force

The middle finger shows the direction of the current

The index finger shows the direction of the current

The thumb shows the direction of the magnetic field

The middle finger shows the direction of the force

The index finger shows the direction of the magnetic field

#54. Magnets can attract magnetic materials – true or false?

false

true

#55. What is this component?

#56. What is the name of the phase change from solid to gas?

sublimation

deposition

freezing

condensation

melting

evaporation/boiling

#57. What is Newton’s Third Law of Motion?

F = MA

objects in motion stay in motion and objects at rest stay at rest

every action has an equal and opposite reaction

#58. Is this statement true or false? As potential difference increases, the current across a component increases?

False

True

#59. What is Newton’s Second Law of Motion?

objects in motion stay in motion and objects at rest stay at rest

F = MA

every action has an equal and opposite reaction

#60. Are gases fluids?

No

Yes

#61. What state of matter has particles which are far apart and move around independently?

liquids

solids

gases

#62. If a car is moving but the forces are balanced – what will happen to the speed of the car?

will decelerate

will stay constant

will accelerate

#63. What the the least dense state of matter?

solids

gases

liquids

Bose-Einstein Condensates

#64. Which of the following equations is the correct way to make A the subject of the equation F = MA?

A = M/F

A = MF²

A = F/M

A = FM

Take a look at this video on rearranging equations if you got this one wrong.

#65. Which of the following is the equation for acceleration?

A = HF/t

A=(v−u)/t

F = MA

E = MC²

#66. Ernest Rutherford fired positive particles at a thin gold foil and showed that most of atoms is empty space. Which particles did he fire at the gold foil?

alpha particles

beta particles

gamma rays

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

Distance moved

Elasticity

Power

Work done

#68. A wire carrying a current experiences a force near a magnetic field. The size of the force is dependant on which three quantities?

Select all that apply:

The magnetic field strength

The age of the magnetic field

The size of the current

The shape of the magnetic field

The length of the wire

#69. Fill in the gap. In a parallel circuit, the current …… at a junction.

Splits

Doubles

#70. The melting point of gallium is 29.8˚C and the boiling point is 2204˚C. What state is gallium at 25˚C?

liquid

solid

gas

#71. What is induced magnetism?

temporary magnetic properties which are passed on to magnetic materials in the presence of magnetic fields

when water comes close to a magnet it begins to heat up slowly due to the magnetic field

where two bar magnets are placed on top of each other and they rotate due to the magnetic field

#72. True or False – Magnetic field lines are used to show how a single north pole would move from north to south?

true

false

#73. 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?

Yes

No

#74. Calculate the distance travelled by the runner in the velocity/time graph.

The area under the graph = distance travelled

Split the graph into triangles and rectangles and calculate the areas. Then add together the areas.

Area of a rectangle = Length x Height

Area of a triangle = 1/2 x Length x Height

90m 120m 180m = 390m

NOTE: the graph starts at one second and not 0. Don’t be fooled, look at the axes carefully before attempting a question.

#75. What is this component?

#76. What is the boiling temperature of water?

10˚C

100˚C

66.5˚C

25˚C

30˚C

55˚C

#77. Are voltmeters connected in parallel or series?

Parallel

Series

#78. What is the rate of acceleration in freefall?

#79. In a parallel circuit, is the potential difference across each branch –

Equal

Different

#80. What is this component?

#81. What state of matter has particles which are close together and vibrate around fixed positions?

gases

solids

liquids

#82. What is Newton’s First Law of Motion?

objects in motion stay in motion and objects at rest stay at rest (unless acted upon by a resultant force)

F = MA

every action has an equal and opposite reaction

#83. A coil of wire with current flowing through it is an electromagnet. What else do we call a coil of wire?

A solenoid

A theodolite

A caliper

#84. What devices are used to determine the shape of a magnetic field?

carrot-toppers

magnetopipes

plotting compasses

potometers

#85. With electromagnetism the direction of the current depends on which of the following?

The direction of the current

The strength of the current

The resistance of the wire x the current

#86. What is the function of a switch?

releases light

provides variable resistance

measures potential difference

measures current

makes or breaks a circuit

gives power to a circuit

provides a constant resistance

safety components which can break a faulty circuit

two or more cells in a circuit

allows current to only flow one way

#87. What is a resultant force?

A positive or negative net force when forces in each direction are taken into account

A theoretical force that might exist but only in space

Where forces are completely balanced

#88. If a current travelling along a wire changes direction, does the magnetic field also change direction?

Occasionally

No

Yes

#89. An object with a mass of 5kg is raised to 100m above the ground and has 500 J of gravitational potential energy. What will happen to the gravitational potential energy if the mass was increased to 16.3kg? Calculate the change in GPE where the gravitational field strength is 1 N/kg. Include units. ? If you do not know the GPE equation, it is listed below the quiz

#90. How can we describe the motion of the object in this graph between 7 and 10 seconds?

Decelerating

Accelerating

Stationary

Moving at constant speed

GCSE OCR Physics A Papers 1 and 3

Results

#1. Magnesium is a magnetic material – true or false?

#2. Magnets have north and south poles – if north and south poles are put close together what will happen?

#3. Which theory do we use to describe states of matter?

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

#5. Calculate the overall distance travelled by the object in the graph.

#6. What is potential difference measured in?

#7. 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?

#8. What is this component?

#9. Which device can you use to find the direction of a magnetic field?

#10. Using the kinetic energy equation – calculate the kinetic energy of a car with a mass of 1200kg travelling at 10 m/s. Include units. ? If you do not remember the kinetic energy equation it is listed below the quiz.

#11. 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.

#12. Why would a wire carrying a current experience a force near a magnetic field?

#13. What is the name of the phase change from solid to liquid?

#14. What is this component?

#15. What is the name of the phase change from gas to solid?

#16. When two magnets are placed alongside each other – what is the best way to describe the shape of the magnetic field they produce?

#17. Which of the following is the correct equation for density?

#18. Why does the temperature of a material stay constant during the transition from liquid to gas?

#19. What is the name of the phase change from gas to liquid?

#20. Does a circuit need to be closed for current to flow?

#21. 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.

#22. Which of the following are ways that a magnetic field of an electromagnet can be made stronger?

#23. Is this a parallel or series circuit?

#24. Electrons are negatively charged, so they move to which terminal of a battery or cell?

#25. Does a current flow if there is no source of potential difference?

#26. What is the function of a diode?

#27. Aluminium is a magnetic material – true or false?

#28. What is the approximate radius of a nucleus?

#29. In an equilibrium situation – the forces between two objects are?

#30. 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?

#31. The needles of plotting compasses are tiny magnets – they always point near the Earth’s North Pole – why is this?

#32. What is this component?

#33. What is the function of an LED?

#34. Which of the following was the Rutherford Model of atomic structure?

#35. Which scientist proposed the Plum Pudding Model?

#36. What is the equation for kinetic energy?

#37. Steel is a magnetic material – true or false?

#38. What is the name of the phase change from liquid to gas?

#39. Fill in the blank: A current flowing through a wire causes a ………. field.

#40. What the the most dense state of matter?

#41. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

#42. What is this component?

#43. This diagram shows the direction of a magnetic field caused by a current flowing through a conductor. Where is the magnetic field strongest?

#44. Why are metals good conductors?

#45. Complete the equation for weight. W = m x ……..

#46. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

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

#48. Which of the following are uses for magnets?

#49. A crane raises a concrete bucket 12m into the air. The bucket including the cement weighs 850N. Calculate the work done. Answer to 1d.p and include the units. ? Do not include your workings in your answer

#50. What is the freezing point of water?

#51. What is this component?

#52. Determine the speed of the object between 1 and 3 seconds. ? answer to 2 decimal places

#53. This image shows Flemming’s Left Hand Rule. Which of the following answers are the correct interpretations of the rule? ? Select three answers, one for each finger

#54. Magnets can attract magnetic materials – true or false?

#55. What is this component?

#56. What is the name of the phase change from solid to gas?

#57. What is Newton’s Third Law of Motion?

#58. Is this statement true or false? As potential difference increases, the current across a component increases?

#59. What is Newton’s Second Law of Motion?

#60. Are gases fluids?

#61. What state of matter has particles which are far apart and move around independently?

#62. If a car is moving but the forces are balanced – what will happen to the speed of the car?

#63. What the the least dense state of matter?

#64. Which of the following equations is the correct way to make A the subject of the equation F = MA?

#65. Which of the following is the equation for acceleration?

#66. Ernest Rutherford fired positive particles at a thin gold foil and showed that most of atoms is empty space. Which particles did he fire at the gold foil?

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

#68. A wire carrying a current experiences a force near a magnetic field. The size of the force is dependant on which three quantities?

#69. Fill in the gap. In a parallel circuit, the current …… at a junction.

#70. The melting point of gallium is 29.8˚C and the boiling point is 2204˚C. What state is gallium at 25˚C?

#71. What is induced magnetism?

#72. True or False – Magnetic field lines are used to show how a single north pole would move from north to south?

#73. 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?

#74. Calculate the distance travelled by the runner in the velocity/time graph.

#75. What is this component?

#76. What is the boiling temperature of water?

#77. Are voltmeters connected in parallel or series?

#78. What is the rate of acceleration in freefall?