OCR Combined Science A Papers 5 and 11 Automock

#1. What is this component?

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

Parallel

Series

#3. What do we call energy that is stored in twisted or stretched materials?

#4. What is this component?

#5. 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

2.25 N

5 N

#6. What is this component?

#7. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers

Select all that apply:

The fields cancel out to give a weaker field on the outside

The fields add together in the centre and become nearly uniform and strong

The fields of the outside are weaker due to the greater potential difference at the centre of the wires in the coil

The fields on the inside are stronger due to the nanoelectric effects of electromagnetic induction

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

plasma

solids

gases

liquids

#9. What is the equation for kinetic energy?

1

KE = mass x speed x time²

KE = 1/2 x mass x speed²

KE = 2.5 x mass x speed²

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

false

true

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

Yes

No

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

Alpha particles

Neutrons

Electrons

Protons

#13. 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

#14. What is this component?

#15. 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

#16. What is this Sankey Diagram showing?

What the ideal energy transfer looks like for a particular system

Inputs and outputs of energy and their forms, e.g. thermal energy

How internal combustion engines work

#17. Are gases fluids?

No

Yes

#18. Is acceleration a vector or a scalar?

vector

scalar

#19. True or False – Vector quantities only have magnitude?

True

False

#20. What is this component?

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

No

Yes

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

Because current is conserved.

#22. 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

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

Force

Distance

Power

Energy

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

will accelerate

will decelerate

will stay constant

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

No

Occasionally

Yes

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

magnetopipes

plotting compasses

carrot-toppers

potometers

#27. What is current measured in?

Coulombs

Amperes or Amps

Ohms

Volts

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

Work done

Power shift

State change

#29. 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

#30. What is the function of a cell?

provides variable resistance

gives power to a circuit

measures current

safety component which can break a faulty circuit

allows current to only flow one way

makes or breaks a circuit

measures potential difference

two or more cells in a circuit

provides a constant resistance

releases light

#31. 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.

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

#33. What is a battery?

two or more cells in a circuit

provides a constant resistance

makes or breaks a circuit

#34. Which of the following statements is correct?

Energy can be created but cannot be destroyed

Energy cannot be created or destroyed

Energy can be created and destroyed

#35. What is this component?

#36. Is weight a vector or a scalar?

vector

scalar

#37. 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 increase

The GPE will decrease

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

Particle/Kinetic Theory

Particulatory Coherence Theory

Geometric Theory

#39. What is induced magnetism?

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

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

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

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

1 x 10⁻⁴

1 x 10⁻³

1 x 10⁻⁵

1 x 10⁻¹⁵

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

False

True

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

solids

liquids

gases

Bose-Einstein Condensates

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

The mass decreases

The mass stays the same

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.

#44. 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.

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

true

false

#46. What is this component?

#47. What do we call energy that is stored inside atoms?

#48. 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 age of the magnetic field

The magnetic field strength

The size of the current

The shape of the magnetic field

The length of the wire

#49. How is kinetic energy stored?

Stored as movement

Stored as increased mass

Stored as the potential to fall and become kinetic energy

Stored in gravitational bonds between particles

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

Energy is destroyed

Energy is transferred

Energy is created

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

F = MA

every action has an equal and opposite reaction

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

#52. What is this component?

#53. Which of the following best describes energy?

Energy is the ability to do work - make things change

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

Energy is the rate at which electricity is transferred

#54. Why did Ernest Rutherford’s experiments with gold foil demonstrate that most of atoms consists of empty space?

Most of the atoms passed straight through the foil

Most of the atoms were deflected or bounced back

Most of the particles were destroyed when they met protons in the nucleus

#55. Is mass a vector or a scalar?

vector

scalar

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

true

false

#57. What is the boiling temperature of water?

25˚C

10˚C

55˚C

66.5˚C

30˚C

100˚C

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

Density = mass / volume

Density = mass x volume

Density = weight / volume

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

false

true

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

Deceleration

Acceleration

No change

GCSE OCR Combined Science A Papers 5 and 11

Good Luck!

Results

#1. What is this component?

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

#3. What do we call energy that is stored in twisted or stretched materials?

#4. What is this component?

#5. 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?

#6. What is this component?

#7. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers

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

#9. What is the equation for kinetic energy?

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

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

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

#13. 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?

#14. What is this component?

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

#16. What is this Sankey Diagram showing?

#17. Are gases fluids?

#18. Is acceleration a vector or a scalar?

#19. True or False – Vector quantities only have magnitude?

#20. What is this component?

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

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

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

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

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

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

#27. What is current measured in?

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

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

#30. What is the function of a cell?

#31. 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.

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

#33. What is a battery?

#34. Which of the following statements is correct?

#35. What is this component?

#36. Is weight a vector or a scalar?

#37. 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?

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

#39. What is induced magnetism?

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

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

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

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

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

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

#46. What is this component?

#47. What do we call energy that is stored inside atoms?

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

#49. How is kinetic energy stored?

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

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

#52. What is this component?

#53. Which of the following best describes energy?

#54. Why did Ernest Rutherford’s experiments with gold foil demonstrate that most of atoms consists of empty space?

#55. Is mass a vector or a scalar?

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

#57. What is the boiling temperature of water?

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

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

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

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