4.1Energy
4.1.1Energy changes in a system, and the ways energy is stored before and after such changes
02.1 — Give two reasons why a bungee cord must suit the jumper's weight
02.2 — Complete sentences about energy stores during a bungee jump
01.1 — Complete sentences about energy stores as a cyclist accelerates
03.3 — Give three factors that affect the kinetic energy of a person at the end of a ride
02.4 — Give two factors that affect how far a decelerating object moves
07.4 — Identify why the temperature took time to start rising
07.4 — Identify how kinetic energy transferred to water affects its thermal energy
01.5 — Identify why kinetic energy after a bounce is less than before
06.1 — Compare energy stores at two positions of a bungee jump
09.1 — Name the energy store that increases when water is heated
09.2 — Name the energy store that increases when water is pumped uphill
06.4 — Identify how elastic potential energy changes as extension decreases
06.5 — Identify how kinetic energy changes as an object slows down
06.6 — Identify how gravitational potential energy changes as an object rises
06.7 — Identify two reasons why a bouncing toy eventually stops
02.3 — Calculate the energy stored in a stretched cord
01.2 — Calculate the kinetic energy of a moving object
09.4 — Write the equation linking gravitational potential energy, mass, gravitational field strength and height
09.5 — Calculate an increase in gravitational potential energy to 2 significant figures
03.1 — Describe how to measure a vertical height accurately
03.2 — Calculate a change in gravitational potential energy
11.2 — Write the equation linking kinetic energy, mass and speed
11.3 — Calculate a mass from kinetic energy and speed
02.2 — Calculate gravitational potential energy
02.3 — Calculate kinetic energy
07.1 — Complete sentences about energy stores as a diver falls
07.2 — Write the equation linking kinetic energy, mass and speed
07.3 — Calculate a mass from kinetic energy and speed
01.1 — Complete sentences about energy stores as a person falls
01.2 — Calculate the elastic potential energy stored in a spring
01.3 — Calculate the total energy stored by several springs
02.2 — Calculate a change in gravitational potential energy
02.5 — Calculate kinetic energy
04.2 — Calculate a decrease in gravitational potential energy
06.2 — Calculate the elastic potential energy stored
06.3 — Give the reason why one cord has a smaller extension
06.4 — Identify the safest cord for a heavy person, with a reason
03.1 — Identify how the extension of a spring is calculated
03.2 — Calculate the elastic potential energy stored
03.3 — Calculate the maximum kinetic energy
03.4 — Identify the equation for gravitational potential energy
03.5 — Calculate a maximum height from gravitational potential energy
06.1 — Calculate the elastic potential energy stored by a spring
06.2 — Identify the equation for gravitational potential energy
06.3 — Calculate a mass from gravitational potential energy
12.1 — Choose the most appropriate resolution for a thermometer
12.4 — Calculate a mass of water from specific heat capacity
12.5 — Give one reason why results are only an estimate
01.3 — Calculate the change in thermal energy from specific heat capacity
08.1 — Identify why a beaker of water was insulated
08.2 — Give one risk caused by a hazard in an experiment
08.3 — Identify the resolution of a thermometer
08.4 — Determine the mass of a beaker from a balance reading
08.5 — Calculate a specific heat capacity and choose the unit
07.1 — Complete a sentence defining specific heat capacity
07.5 — Describe a method to obtain temperature–time results for heating water (6-mark)
07.6 — Calculate the energy transferred to heat water
08.3 — Determine a change in thermal energy, using a graph
09.1 — Suggest why a thermometer was left before recording the initial temperature
09.2 — Calculate a specific heat capacity, using a graph
09.3 — Identify two effects of adding insulation to the investigation
09.1 — Give one hazard in a specific heat capacity investigation
09.2 — Describe how to determine the specific heat capacity of water (6-mark)
09.3 — Suggest one change to reduce energy loss to the surroundings
09.4 — Calculate a percentage difference between a measured and an actual value
12.2 — Write the equation linking energy transferred, power and time
12.3 — Calculate a mean power
08.5 — Write the equation linking energy transferred, power and time
08.6 — Calculate the time taken to transfer energy and give the unit
09.1 — Calculate a power output from work done and time
06.4 — Write the equation linking energy transferred, power and time
06.5 — Calculate the time taken to transfer energy
09.1 — Identify what power input means
11.1 — Calculate a jump height from a muscle power equation
11.4 — Compare the muscle power of two groups, using a graph
11.5 — Suggest why the highest reading was recorded instead of a mean
02.6 — Calculate the average energy transferred per person in a year
09.2 — Identify the equation linking energy transferred, power and time
09.3 — Calculate the time taken to recharge a battery
02.1 — Name the instrument to measure the height of some stairs
02.3 — Calculate power from work done and time
02.4 — Identify the stop-clock showing a measured time
4.1.2Conservation and dissipation of energy
13.3 — Give two conclusions from a graph
13.4 — Give the main way a motor wastes energy
08.1 — Identify how rate of energy transfer depends on thermal conductivity
08.2 — Complete sentences about the effect of insulation on energy transfer
09.2 — Identify two reasons why power input is greater than power output
10.1 — Describe a method to investigate the insulating properties of a material (6-mark)
10.2 — Explain why a datalogger was not needed for an investigation
02.1 — Identify how a layer of water affects friction
06.5 — Identify what happens to energy that is dissipated
08.1 — Identify the resolution of a thermometer
08.2 — Complete a sentence comparing how easily two thermometers can be misread
08.4 — Draw a ring around the anomalous result on a graph
08.5 — Give two conclusions from a cooling graph
08.6 — Identify how thicker insulation affects the rate of cooling
08.7 — Predict how thicker insulation affects the temperature after a time
09.3 — Explain how lubrication affects the efficiency of a wind turbine
05.1 — Identify why a funnel was used
05.2 — Identify why one bottle had no insulation
05.3 — Name equipment to measure time
05.4 — Explain two ways to improve an investigation so a valid conclusion can be made
05.5 — Identify the type of graph that should have been plotted, with a reason
03.6 — Identify two reasons why gravitational potential energy is less than the initial elastic energy
02.1 — Label the axis and plot data as a bar chart
02.2 — Identify the metal with the greatest thermal conductivity, with a reason
13.1 — Give one control variable in an efficiency investigation
13.2 — Give two reasons for taking repeat readings
13.5 — State the efficiency of a motor that cannot lift a load
02.4 — Identify what it means for one lamp to be more efficient than another
08.4 — Calculate the proportion of energy transferred usefully
09.4 — Write the equation linking efficiency, total power input and useful power output
09.5 — Calculate a useful power output from efficiency, using a table
09.6 — Suggest why light bulbs should also be labelled with their visible light output
09.5 — Write the equation linking efficiency, total power input and useful power output
09.6 — Calculate a useful power output from efficiency
06.3 — Write the equation linking efficiency, total power input and useful power output
06.4 — Calculate a useful power output from efficiency
01.4 — Calculate a kinetic energy from a percentage
09.4 — Explain why people should use energy efficient devices
11.3 — Identify the equation for efficiency
11.4 — Calculate a useful power output from efficiency
08.4 — Write the equation linking efficiency, total energy input and useful energy output
08.5 — Calculate a useful energy output from efficiency
09.3 — Compare two methods of storing energy, including calculations
05.5 — Identify two statements about a more efficient kettle
07.3 — Identify the equation for efficiency
07.4 — Calculate a total input energy from efficiency
07.5 — Predict an efficiency, using a graph
07.6 — Explain how a graph shows two quantities are not directly proportional
4.1.3National and global energy resources
01.1 — Name two non-renewable energy resources
01.2 — Read how long a wind turbine generated no electricity, using a graph
01.4 — Identify why a coal-fired power station is still needed alongside wind turbines
01.5 — Calculate how many wind turbines match the output of one power station
01.6 — Identify why scientists develop new energy resources
11.1 — Suggest a reason for the shape of a power output graph
11.2 — Suggest a time when demand was low, using a graph
11.3 — Suggest two reasons why power stations run below maximum output
06.2 — Calculate how many power stations are needed to meet a demand
06.3 — State two environmental issues of generating electricity using nuclear power
06.4 — Give a similarity and a difference between two graphs
08.3 — Give an advantage and a disadvantage of a heating method, using graphs
05.1 — Explain one environmental problem of generating electricity from coal
05.2 — Give two renewable energy resources
05.3 — Determine a percentage of electricity generated, using a chart
05.4 — Determine the difference between maximum and minimum demand, using a graph
05.5 — Explain why solar power could meet an increase in demand at a time of day
06.1 — Give two advantages of one car compared with another, using a table
06.2 — Calculate a mass as a percentage of the total mass
06.3 — Suggest two reasons to increase the energy stored in a car battery
01.2 — Calculate how many times greater one percentage is than another, using a graph
01.3 — Explain one environmental effect of generating electricity from gas
01.4 — Identify what a renewable energy resource is
01.5 — Give two advantages of one type of wind farm, using a graph
10.5 — Give two reasons why a power station cannot meet an increase in demand, using a graph
06.1 — Explain one disadvantage of solar cells that face in one direction
06.6 — Identify why solar power is unlikely to meet all the UK's electricity needs
10.3 — Suggest two reasons why models were tested before building a fusion power station
10.4 — Explain one environmental effect of generating electricity from fossil fuels
07.1 — Complete a table of renewable and non-renewable energy resources
09.1 — Calculate the mean power needed for one home, in watts
09.2 — Suggest two reasons why wind power could not meet a demand
04.1 — Calculate a percentage, using a chart
04.5 — Explain one reason why a power output varied, using a graph
09.4 — Explain one change to reduce carbon dioxide from transport and from generating electricity
10.5 — Calculate a number of days from a percentage
01.1 — Identify an environmental problem caused by carbon dioxide emissions
01.2 — Read the carbon dioxide emitted during manufacture, using a graph
01.3 — Describe how total carbon dioxide emitted changes with distance, using a graph
01.4 — Identify why an electric car does not emit carbon dioxide as it is driven
01.5 — Match methods of generating electricity to the environmental issues they cause
08.1 — Describe the difference between renewable and non-renewable energy resources
08.4 — Give two other conclusions about power output and flow speed, using a graph
08.5 — Compare the environmental impacts of two types of turbine
4.2Electricity
4.2.1Current, potential difference and resistance
03.1 — Draw cells connected to give a stated potential difference
07.1 — Identify the circuit symbol for a fuse
09.3 — Explain why a lift can be operated using either of two switches
07.2 — Draw the circuit symbol for a switch
07.2 — Identify the circuit symbol for a thermistor
08.1 — Complete a circuit diagram by adding an ammeter and a voltmeter
09.1 — Identify the correct circuit for a torch
06.6 — Identify the circuit symbol for an LED
01.1 — Name a component from a circuit diagram
02.4 — Identify the circuit symbol for a thermistor
07.3 — Identify the circuit symbol for a fuse
05.2 — Identify the circuit symbol for a fuse
07.3 — Write the equation linking charge flow, current and time
07.4 — Calculate a current from charge flow and time
07.3 — Calculate a current from charge flow and time
09.2 — Write the equation linking charge flow, current and time
09.3 — Calculate the total charge flow
06.2 — Calculate charge flow from current and time
07.3 — Write the equation linking charge flow, current and time
07.4 — Calculate charge flow and choose the unit
01.4 — Calculate a current from charge flow and time
07.4 — Calculate a current from charge flow and time
07.1 — Calculate a current from charge flow and time
03.2 — Calculate a potential difference from current and resistance
05.1 — Draw a circuit diagram to investigate the resistance of a lamp
02.1 — Read a time interval from a current–time graph
02.2 — Suggest why a filament might melt when a lamp is first switched on
03.2 — Calculate the total resistance of a circuit
12.1 — Complete a circuit diagram by adding an ammeter and a voltmeter
12.2 — Describe how to investigate how resistance varies with the length of a wire, including a risk assessment (6-mark)
12.3 — Identify why switching off between readings improves accuracy
12.4 — Identify how a different contact affects accuracy and resolution
07.7 — Write the equation linking current, potential difference and resistance
07.8 — Calculate the resistance of a lamp
08.3 — Write the equation linking current, potential difference and resistance
08.4 — Determine a resistance from a graph
04.2 — Identify the type of error caused by a fluctuating reading
09.4 — Identify the equation linking current, potential difference and resistance
09.5 — Calculate the resistance of a motor
01.5 — Calculate the resistance of a lamp
02.3 — Calculate the resistance of a coin
11.1 — Describe a method to collect data to plot resistance against length of a wire (6-mark)
11.2 — Identify the graph of resistance against length for a wire
11.3 — Explain why a low-voltage cell was not an electrical hazard
10.2 — Identify the equation linking current, potential difference and resistance
10.3 — Determine a resistance, using a graph
05.2 — Describe how to use the circuit to investigate how current affects resistance
05.3 — Describe how resistance changes with current, using a graph
05.4 — Estimate a resistance, using a graph
05.5 — Identify components from their current–potential difference graphs
08.2 — Draw the I–V line for negative values on a graph
08.5 — State what is meant by a zero error
09.4 — Explain why a torch with reversed cells does not work
11.1 — Describe a method to investigate how current varies with potential difference for a resistor (6-mark)
11.2 — Explain how an increase in temperature would affect the results
11.3 — Determine the resolution of an ammeter from its scale
11.4 — Give one other reason why a digital ammeter would have been better
01.2 — Complete sentences about what an ammeter and a voltmeter measure
01.6 — Match components to their current–potential difference graphs
01.7 — Identify the type of error an unconnected ammeter displays
02.7 — Calculate a change in resistance, using a graph
08.1 — Calculate a mean current from repeat readings
08.3 — Complete a sentence about how the gradient of an I–V graph changes
08.4 — Identify a component from its I–V graph
10.1 — Give one way to vary the potential difference across a component
10.4 — Explain why the current was zero when the connections were reversed
4.2.2Series and parallel circuits
03.3 — Calculate the resistance of one resistor in a series circuit
03.4 — Identify how total resistance changes when resistors are connected in parallel, with a reason
07.1 — Identify where a switch could be placed to control two lamps
07.5 — Identify how an ammeter reading compares between two circuits
07.6 — Identify how the total resistance compares between two circuits
04.1 — Calculate the mean resistance of one resistor from a table
04.2 — Identify the resolution of an ohmmeter from readings
04.3 — Identify how results show measurements were precise
04.4 — Identify how a graph shows direct proportion
04.5 — Predict a total resistance, using a graph
04.6 — Complete sentences about potential difference and current as resistors are added in series
04.1 — Complete sentences about current, resistance and potential difference as lamps are added in parallel
04.3 — Complete a table of ammeter readings in a parallel circuit
06.1 — Complete a sentence about how resistors are connected
06.2 — Identify which switch must be closed for a circuit to work
06.3 — Identify which switches give maximum power output
01.3 — Identify how increasing a variable resistance affects three quantities
02.5 — Identify how to calculate the potential difference across a resistor in series
02.6 — Identify the potential difference across a component in series, with a reason
4.2.3Domestic uses and safety
03.1 — Identify what is meant by direct current
03.1 — Identify the frequency of the UK mains supply
03.2 — Identify the diagram that shows an alternating potential difference
09.1 — State what direct potential difference means
10.1 — State what direct potential difference means
02.1 — Identify the frequency of the UK mains supply
02.2 — Identify the potential difference of the UK mains supply
08.1 — Explain why the mains supply must be switched off before changing a shower
03.5 — Describe a hazard and the risk when replacing a mains switch
07.1 — Identify the colour of the live wire insulation
07.2 — Identify the colour of the neutral wire insulation
05.1 — Give the colours of the earth, live and neutral wires
4.2.4Energy transfers
03.3 — Calculate a power output to 1 significant figure
08.2 — Calculate a current to 2 significant figures
02.3 — Calculate the power of a lamp from potential difference and current
09.2 — Write the equation linking current, potential difference and power
09.3 — Calculate the current in a light bulb
03.3 — Calculate power from potential difference and current
07.3 — Calculate power from current and resistance
02.4 — Calculate the total power of several appliances, using a table
02.5 — Identify the appliance that transfers the most energy, with a reason
04.4 — Calculate power from current and resistance
09.6 — Compare the time taken to recharge with two charging currents
11.1 — Identify the equation linking current, potential difference and power
11.2 — Calculate a current from power and potential difference
08.2 — Identify the equation linking current, power and resistance
08.3 — Calculate the resistance of a cable
08.2 — Calculate a power, using a graph
05.3 — Calculate a potential difference from power and current
05.4 — Calculate a resistance from power and current
06.4 — Calculate the energy transferred by a spark
08.3 — Explain how a higher power rating affects the cost of using an appliance
07.2 — Calculate the energy transferred from charge and potential difference
07.4 — Calculate the energy transferred from charge and potential difference
03.4 — Calculate the energy transferred from charge and potential difference
10.3 — Write the equation linking energy transferred, power and time
10.4 — Calculate the maximum energy transferred by generators
02.3 — Calculate charge flow from energy and potential difference
06.4 — Write the equation linking energy transferred, power and time
06.5 — Calculate the time taken to transfer energy
04.3 — Write the equation linking energy, power and time
04.4 — Calculate the energy transferred in a time
10.2 — Identify the equation linking charge flow, energy and potential difference
10.3 — Calculate charge flow from energy and potential difference
01.7 — Calculate the energy transferred by a spark
10.2 — Write the equation linking energy, power and time
10.3 — Calculate the energy output of a power station in joules
02.4 — Write the equation linking energy transferred, power and time
02.5 — Calculate the time taken for an energy transfer
07.2 — Calculate the energy transferred from charge and potential difference
01.3 — Identify what the National Grid is
01.1 — Name the parts of the National Grid from a diagram
02.1 — Name two parts of the National Grid from a diagram
02.2 — Identify the advantage of transmitting electricity at a high potential difference
07.2 — Complete sentences about transformers in the National Grid
08.1 — Complete sentences about a step-up transformer
4.2.5Static electricity (physics only)
06.1 — Explain how rubbing causes a rod and cloth to become charged
06.2 — Identify the force between a charged rod and cloth, with a reason
06.3 — Complete a sentence about how charge affects potential difference
10.1 — Explain how friction causes a person to become charged
10.3 — Explain why touching a metal tap gives a charged person an electric shock
10.4 — Suggest why conducting wires in a carpet reduce the chance of a shock
03.1 — Complete sentences about how objects become charged by rubbing
03.2 — Identify the charge left on a cloth after rubbing
03.3 — Identify the force between two charged rods, with a reason
02.4 — Identify the force between an alpha particle and a nucleus
01.1 — Complete a sentence about the charge gained by touching a charged dome
01.2 — Complete a sentence about why charged hair stands up
10.2 — Draw arrows to complete the electric field around a charged sphere
03.4 — Identify the electric field pattern around a charged sphere
03.5 — Identify where two charged spheres experience the greatest force
02.5 — Identify which alpha particle experiences the largest force
01.3 — Identify the electric field pattern around a charged dome
01.4 — Complete a sentence about the air between a dome and a conductor
01.5 — Complete a sentence about why a spark jumps
01.6 — Identify the particles transferred in a spark
4.3Particle model of matter
4.3.1Changes of state and the particle model
09.3 — Write the equation linking density, mass and volume
09.4 — Calculate a density and choose the unit
04.1 — Describe how to measure the volume of an irregular object
04.2 — Calculate the density of an object in g/cm3
04.3 — Identify a material from its density, using a chart
04.4 — Give one source of error when measuring a volume
04.5 — Explain how an error affects a measured volume
01.1 — Complete sentences comparing particle spacing and density in a liquid and a gas
01.4 — Calculate the density of a gas and choose the unit
10.1 — Write the equation linking density, mass and volume
10.2 — Calculate a mass in standard form
01.1 — Match particle arrangements to the states of matter
03.1 — Describe how to measure the volume of an irregular object
03.2 — Calculate a mean volume
03.3 — Identify two advantages of taking repeat measurements and calculating a mean
03.4 — Calculate the density of an object in g/cm3
10.1 — Describe a method to determine the density of an irregular object (6-mark)
10.2 — Give the maximum and minimum values from a value with an uncertainty
10.3 — Identify which materials match a measured density, using a table
10.4 — Explain why repeating measurements may improve accuracy
04.1 — Identify the range of a measuring cylinder
04.2 — Identify how using thick string affects a measured volume
04.3 — Calculate the volume of an object from a table
04.4 — Identify what describes identical repeat results
04.5 — Identify how to correct for a zero error on a balance
04.6 — Write the equation linking density, mass and volume
04.7 — Calculate a mass from density and volume
04.5 — Match states of matter to particle arrangements
08.2 — Write the equation linking density, mass and volume
08.3 — Calculate a volume from mass and density
04.1 — Identify two advantages of one set of apparatus
04.2 — Identify the type of error caused by removing a thermometer
01.6 — Complete a sentence about a substance changing directly from solid to gas
04.6 — Identify the state of a substance at a temperature from its melting and boiling points
04.7 — Identify the state of a substance below its melting point
4.3.2Internal energy and energy transfers
09.2 — Identify the name for the total kinetic and potential energy of particles
01.4 — Identify how internal energy changes when temperature increases
01.4 — Identify which property of particles changes as temperature increases
10.5 — Explain the changes in particle arrangement and movement as ice melts and warms (6-mark)
04.8 — Identify how the kinetic and potential energy of particles change as a substance melts
10.2 — Calculate the energy to raise the temperature of a mass, from specific heat capacity
05.6 — Calculate a temperature change from energy and specific heat capacity
02.3 — Calculate a specific heat capacity
04.3 — Identify a decrease in temperature, using a graph
04.4 — Determine the time taken to change state, using a graph
04.5 — Calculate the energy transferred during a change of state
04.6 — Explain why the temperature continued to decrease after a change of state
07.5 — Calculate the energy needed to melt a wire from specific latent heat
01.2 — Name the process shown on a heating graph and give a reason
01.3 — Calculate the energy for a change of state from specific latent heat
07.7 — Calculate the energy to change a mass of water to steam
01.2 — Identify where a substance is melting, using a heating graph
01.3 — Identify where a substance is boiling, using a heating graph
01.5 — Calculate the energy to melt a mass of ice from specific latent heat
05.1 — Identify the instrument to measure the mass of water
05.2 — Identify the type of variable
05.3 — Give one way to move a beaker of boiling water safely
05.4 — Calculate a specific latent heat of vaporisation and choose the unit
05.5 — Identify a source of error in a specific latent heat experiment
10.4 — Calculate a specific latent heat of fusion
07.5 — Calculate the energy needed to melt a wire from specific latent heat
07.6 — Identify how energy transferred to the surroundings affects the total energy needed
4.3.3Particle model and pressure
09.1 — Describe the movement of gas particles
06.3 — Identify two properties of gas particles that change with temperature
07.1 — Complete a sentence about how gas particles move
07.2 — Complete a sentence about the speeds of gas particles
05.5 — Identify how an increase in temperature affects the mean speed of gas particles
04.1 — Identify how heating a gas affects the speed of its particles
04.2 — Identify how heating a gas affects the kinetic energy of its particles
04.3 — Identify how increasing pressure affects the collisions with the walls
04.4 — Identify how increasing pressure affects the force on the walls
06.1 — Describe how to obtain pressure and volume data for a gas in a syringe
06.2 — Describe what happens to the pressure of a gas when its volume is halved
08.1 — Identify the range of a syringe
08.2 — Complete a sentence about what must stay constant for pressure × volume = constant
08.3 — Calculate the constant from pressure and volume
08.4 — Calculate a new pressure after a gas expands
08.5 — Identify what changes when a gas expands
07.3 — Plot pressure against volume and draw a line of best fit
07.4 — Calculate the constant in pressure × volume = constant
07.5 — Identify how increasing volume affects three quantities
05.1 — Identify how pushing a plunger in affects the volume of a gas
05.2 — Identify how compressing a gas affects the distance between particles
05.3 — Identify how compressing a gas affects the frequency of collisions
05.4 — Identify how compressing a gas affects its pressure
4.4Atomic structure
4.4.1Atoms and isotopes
02.3 — Identify the charges on an alpha particle and a nucleus
05.1 — Identify which isotope is not an isotope of an element, with a reason
02.5 — Complete sentences about how an atom becomes an ion
05.1 — Identify what is the same for all atoms of an element
05.2 — Identify what is different for isotopes of an element
03.1 — Complete sentences comparing the nuclei of two isotopes
03.5 — Identify the nucleus with the smallest mass number
03.6 — Identify the nucleus with a given atomic number
03.7 — Identify two nuclei that are isotopes of the same element, with a reason
10 — Explain what led to the plum pudding model being replaced by the nuclear model (6-mark)
04.1 — Identify the earliest discovery about the atom
04.2 — Identify the most recent discovery about the atom
04.3 — Complete sentences about the forces in the alpha particle scattering experiment
04.4 — Identify what reproducible means
02.1 — Identify which particle in the atom was discovered first
02.2 — Calculate the radius of a nucleus from a ratio
02.6 — Identify which model of the atom was developed first
02.7 — Identify which model of the atom was developed last
03.8 — Identify the model of the atom replaced by the nuclear model
03.9 — Identify what the nuclear model states about the mass of an atom
4.4.2Atoms and nuclear radiation
07.1 — Match types of radiation to what they consist of
07.2 — Complete a diagram to show which radiation passes through each material
11.2 — Calculate the activity of an object from its mass
02.2 — Identify why alpha radiation is dangerous inside the body
05.5 — Complete sentences about a beta source used to monitor paper thickness
04.1 — Identify what an alpha particle consists of
04.2 — Identify what a beta particle is
04.4 — Complete a table showing which materials stop each type of radiation
04.5 — Match types of radiation to their ionising power
06.2 — Identify the rock that emits only alpha radiation, with a reason
06.3 — Identify the rock that emits only beta radiation, with a reason
02.1 — Identify the correct decay equation for alpha decay
05.3 — Identify how a nuclear equation shows alpha radiation is emitted
05.3 — Identify the type of radiation emitted from changes in mass and atomic number
05.4 — Identify the type of radiation emitted by a second nucleus
04.3 — Identify the correct equation for a beta decay
03.1 — Identify the nuclear equation for an alpha decay
07.4 — Calculate a later count rate from half-life data in a table
05.2 — Read a time for the number of nuclei to halve, using a graph
05.3 — State the half-life of an isotope
02.3 — Determine a change in mass between two times, using a graph
02.4 — Estimate the mass remaining after a given time, using a graph
05.4 — Read the time for activity to halve, using a graph
05.5 — State the half-life of an isotope
05.6 — Identify what is meant by half-life
05.7 — Identify why a source used for monitoring should have a long half-life
03.2 — Identify what half-life means
03.3 — Identify the least stable isotope from half-lives
06.5 — Identify the activity after one half-life
03.2 — Read the time for half the atoms to decay, using a graph
03.3 — State the half-life of an isotope
03.4 — Identify the most unstable isotope from graphs, with a reason
07.3 — Give two safety precautions when demonstrating radiation
05.6 — Suggest one risk of going near buried radioactive waste
03.4 — Match contamination and irradiation to examples
03.5 — Identify why workers walk across a sticky floor
06.4 — Identify the precaution that prevents contamination
10.4 — Suggest one precaution to reduce the hazard from radioactive waste
4.4.3Hazards and uses of radioactive emissions and of background radiation (physics only)
11.1 — Calculate a count rate corrected for background radiation
11.3 — Explain why a yearly radiation dose is not a concern, using a table
11.4 — Suggest why a different unit could help the public understand radiation risk
05.1 — Identify a man-made source of background radiation
04.6 — Identify a man-made source of background radiation
04.7 — Calculate how many doses equal a yearly background dose
03.6 — Calculate how many days give the same radiation dose
06.1 — Complete a table of natural and man-made sources of background radiation
07.5 — Give one reason why a short half-life source becomes less hazardous
06.6 — Identify how activity affects the risk of harm
4.4.4Nuclear fission and fusion (physics only)
06.1 — Complete sentences about nuclear fission
05.2 — Complete sentences about nuclear fission
03.7 — Match fission and fusion to their fuels
10.1 — Complete sentences about nuclear fission
10.1 — Complete sentences about nuclear fusion
No questions match your search.
Select a question
📄
Select a question to view the exam paper