GCSE OCR Physics A Papers 1 and 3 Automarked

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

deposition

freezing

condensation

melting

evaporation/boiling

sublimation

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

plotting compasses

potometers

carrot-toppers

magnetopipes

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

true

false

#4. When a substance changes from a solid to a liquid, what happens to the mass?

The mass stays the same

The mass decreases

The mass increases

Stays the same because there has been no change in the number of particles. We say that the mass has been conserved.

#5. 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?

The GPE will stay the same

The GPE will decrease

The GPE will increase

#6. 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?

Coriolis Force

Centripital Force

Centrifugal Force

#7. 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

#8. Which scientist proposed the Plum Pudding Model?

John Dalton

Ernest Rutherford

JJ. Thomson

#9. 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 middle finger shows the direction of the force

The thumb shows the direction of the magnetic field

The index finger shows the direction of the magnetic field

The index finger shows the direction of the current

The middle finger shows the direction of the current

The thumb shows the direction of the force

#10. 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?

Emma

Kate

#11. What is this component?

#12. 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

#13. 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

#14. What is happening to the speed of the object in the graph between 0 and 8 seconds?

No change

Deceleration

Acceleration

#15. Does the total amount of current change from the positive to the negative terminal?

Yes

Yes, but only if there is more than 1 component in the circuit

No

Because current is conserved.

#16. 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

#17. Which of the following describes the Plum Pudding Model of atomic structure?

A central nucleus containing protons and neutrons, surrounded by electrons at discrete energy levels (shells)

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

#18. If an object is moving in a circular path – what is happening to its velocity?

increasing over time

constant

constantly changing

declining over time

#19. What is this component?

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

Yes

No

#21. Is this a parallel or series circuit?

Series

Parallel

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

Splits

Doubles

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

condensation

freezing

sublimation

evaporation/boiling

deposition

melting

#24. Acceleration is an increase in the rate of what?

gravitational potential energy

velocity

magnitude

#25. What is a battery?

makes or breaks a circuit

two or more cells in a circuit

provides a constant resistance

#26. Are ammeters connected in series or in parallel?

Series

Parallel

#27. 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.

#28. What is the function of a cell?

releases light

two or more cells in a circuit

gives power to a circuit

measures current

measures potential difference

allows current to only flow one way

provides a constant resistance

makes or breaks a circuit

provides variable resistance

safety component which can break a faulty circuit

#29. What is a resultant force?

Where forces are completely balanced

A theoretical force that might exist but only in space

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

#30. Copper is a magnetic material – true or false?

true

false

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

the temperature is not relevant to states of matter

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

the particles are figuring out what to do

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

condensation

sublimation

freezing

deposition

melting

evaporation/boiling

#33. What is this component?

#34. What is the function of a diode?

measures potential difference

makes or breaks a circuit

safety component which can break a faulty circuit

provides a constant resistance

allows current to only flow one way

gives power to a circuit

two or more cells in a circuit

provides variable resistance

releases light

measures current

#35. Complete the sentence. Power is the rate at which…..

Energy is transferred

Energy is created

Energy is destroyed

#36. What is this component?

#37. What is the function of a variable resistor?

measures current

allows current to only flow one way

makes or breaks a circuit

provides variable resistance

two or more cells in a circuit

measures potential difference

provides a constant resistance

gives power to a circuit

safety component which can break a faulty circuit

releases light

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

E = F x d

E = F / d

F = d x E

#39. What is current measured in?

Volts

Coulombs

Ohms

Amperes or Amps

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

1 x 10⁻⁵

1 x 10⁻¹⁵

1 x 10⁻⁴

1 x 10⁻³

#41. What is this component?

#42. Calculate the acceleration of the object in the graph between 5 and 6 seconds.

10 m/s²

20 m/s²

1 m/s²

2 m/s²

This is a straight-line graph.

Calculate the gradient of a straight-line graph using the following:

y₂ – y₁ / x₂ – x₁

30-20/6-5 = 10m/s²

This is the same as a simpler version:

Rise/run

or vertical distance / horizontal distance

#43. What is the function of an ammeter?

measures potential difference

measures current

gives power to a circuit

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

Distance moved

Work done

Power

Elasticity

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

will decelerate

will accelerate

will stay constant

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

evaporation/boiling

melting

condensation

deposition

sublimation

freezing

#47. 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

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

A solenoid

A caliper

A theodolite

#49. Iron is a magnetic material – true or false?

false

true

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

they will repel

nothing will happen

they will attract

#51. What is acceleration?

Increase in distance

Change in the rate of velocity

Change in the rate of displacement

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

No

Yes

#53. What is the function of an LED?

releases light

provides variable resistance

two or more cells in a circuit

measures potential difference

allows current to only flow one way

measures current

provides a constant resistance

safety component which can break a faulty circuit

makes or breaks a circuit

gives power to a circuit

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

Geometric Theory

Particulatory Coherence Theory

Particle/Kinetic Theory

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

A = FM

A = F/M

A = MF²

A = M/F

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

#56. In 1897 JJ. Thomson did a series of experiments that led to the discovery of which particles?

Alpha particles

Electrons

Protons

Neutrons

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

false

true

#58. Where is most of the mass of an atom?

orbiting the nucleus in the electrons

in the nucleus

#59. Which of the following devices do we use to measure weight? ? 2 answers

Select all that apply:

A potometer

A hydrometer

A balance

A newton-meter (force meter)

#60. 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?

gamma rays

alpha particles

beta particles

#61. How is gravitational potential energy stored?

Stored as movement

Stored in gravitational bonds between particles

Stored as increased mass

Stored as the potential to fall and become kinetic energy

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

#63. What is the force acting on a conductor carrying current at right angles to a magnetic field when: magnetic flux density = 0.005 T , current = 3 A and length of wire = 150m?

1.76 N

5 N

2.25 N

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

true

false

#65. What is the freezing point of water?

30˚C

66.5˚C

0˚C

55˚C

100˚C

25˚C

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

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

An anemometer

A plotting compass

A potometer

#68. 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

#69. What is the mass number of an element?

the total number of subatomic particles in an atom

the number of protons plus neutrons

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

they will attract

they will repel

nothing will happen

#71. 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

#72. During Ernest Rutherford’s experiments with gold foil, why did some of the particles bounce back?

Alpha particles behave in unpredictable ways and can randomly change direction due to quantum effects

Alpha particles are positively charged, they were deflected when they met the positively charged protons in the nucleus

He fired electrons at the gold foil and when they met protons they were reflected back

#73. Are gases fluids?

No

Yes

Direction of magnetic field and current along a wire

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

Closer to the wire

Further from the wire

At an intermediate distance from the wire

#75. Cobalt is a magnetic material – true or false?

true

false

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

condensation

evaporation/boiling

deposition

freezing

sublimation

melting

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

they will repel

they will attract

nothing will happen

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

#79. What is Newton’s Second 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

#80. 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.

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

Select all that apply:

confusing mice so they get lost in mazes

generators

electric motors

measuring the melting points of different liquids

checking food for excess radiation

loudspeakers

#82. 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.

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

solids

Bose-Einstein Condensates

liquids

gases

#84. Which greek letter represents density?

V

ρ

m

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

gases

liquids

solids

#86. Conventional current goes from:

Positive terminal to negative terminal

Negative terminal to positive terminal

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

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

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

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

Negative

Positive

#89. What is the equation for kinetic energy?

KE = mass x speed x time²

1

KE = 1/2 x mass x speed²

KE = 2.5 x mass x speed²

#90. Which of the following things were hypothesised by John Dalton in 1805? ? select 4 answers

Select all that apply:

atoms cannot be broken down into smaller parts

all matter is made up of tiny spheres called atoms

atoms can be created and destroyed

atoms cannot be created or destroyed

atoms are hard cubes that can be broken down into protons, neutrons and electrons

atoms in elements are identical, but elements have different types of atoms

GCSE OCR Physics A Papers 1 and 3

Good Luck!

Results

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

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

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

#4. When a substance changes from a solid to a liquid, what happens to the mass?

#5. 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?

#6. 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?

#7. 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

#8. Which scientist proposed the Plum Pudding Model?

#9. 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

#10. 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?

#11. What is this component?

#12. 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

#13. 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

#14. What is happening to the speed of the object in the graph between 0 and 8 seconds?

#15. Does the total amount of current change from the positive to the negative terminal?

#16. 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

#17. Which of the following describes the Plum Pudding Model of atomic structure?

#18. If an object is moving in a circular path – what is happening to its velocity?

#19. What is this component?

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

#21. Is this a parallel or series circuit?

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

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

#24. Acceleration is an increase in the rate of what?

#25. What is a battery?

#26. Are ammeters connected in series or in parallel?

#27. 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.

#28. What is the function of a cell?

#29. What is a resultant force?

#30. Copper is a magnetic material – true or false?

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

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

#33. What is this component?

#34. What is the function of a diode?

#35. Complete the sentence. Power is the rate at which…..

#36. What is this component?

#37. What is the function of a variable resistor?

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

#39. What is current measured in?

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

#41. What is this component?

#42. Calculate the acceleration of the object in the graph between 5 and 6 seconds.

#43. What is the function of an ammeter?

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

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

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

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

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

#49. Iron is a magnetic material – true or false?

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

#51. What is acceleration?

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

#53. What is the function of an LED?

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

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

#56. In 1897 JJ. Thomson did a series of experiments that led to the discovery of which particles?

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

#58. Where is most of the mass of an atom?

#59. Which of the following devices do we use to measure weight? ? 2 answers

#60. 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?

#61. How is gravitational potential energy stored?

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

#63. What is the force acting on a conductor carrying current at right angles to a magnetic field when: magnetic flux density = 0.005 T , current = 3 A and length of wire = 150m?

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

#65. What is the freezing point of water?

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

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

#68. 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

#69. What is the mass number of an element?

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

#71. 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

#72. During Ernest Rutherford’s experiments with gold foil, why did some of the particles bounce back?

#73. Are gases fluids?

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

#75. Cobalt is a magnetic material – true or false?

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

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