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WorksheetsP1 Energy AQA (Combined)
Total questions: 44
Worksheet time: 22mins
What is the equation linking kinetic energy, mass and velocity?
Energy = mass x velocity2
Energy = mass / velocity
Energy = 0.5 x mass x velocity2
Energy = mass x velocity
What are the units for energy?
Joules (J)
Watts (W)
Kilograms (kg)
Newtons (N)
What are the units of mass?
Joules (J)
Watts (W)
Kilograms (kg)
Newtons (N)
What are the units for velocity?
mph
m/s
m/s2
km/h
What is the equation linking gravitational field strength, gravitational potential energy and height?
Gravitational field strength = mass x gravitational potential energy x height
Gravitational potential energy = mass x gravitational field strength x height
Height = mass x gravitational field strength
What are the units of gravitational field strength?
Newtons (N)
Kilograms (kg)
Kilograms per newton (kg/N)
Newtons per kilo (N/kg)
What is the equation linking energy transferred, power and time?
Power = energy x time
Power = energy / time
Energy = time / power
What are the units of work done?
Joules (J)
Watts (W)
Kilograms (kg)
Newtons (N)
Food, batteries, fuel and muscles store which energy type?
Elastic potential energy
Kinetic energy
Thermal energy
Chemical energy
Which energy store changes as height of an object changes?
Kinetic energy
Gravitational potential energy
Elastic potential energy
Sound energy
Which energy store is linked with springs and catapults?
Nuclear energy
Light energy
Kinetic energy
Elastic potential energy
Which two energy stores change depending on the position of an object?
Electrical energy
Elastic potential energy
Gravitational potential energy
Chemical energy
What is the relationship between KE and GPE?
Direct proportion - they both increase at the same rate
Direct proportion - as KE increases, GPE decreases
Inverse proportion - they both increase at the same rate
Inverse proportion - as KE increases, GPE decreases
What is the specific heat capacity of a material?
The amount of energy required to heat up a material.
The amount of energy required to raise the temperature of material.
The amount of energy required to raise the temperature of 1kg of a material.
The amount of energy required to raise the temperature of 1kg of a material by 1⁰C.
Which equation is used to calculate specific heat capacity?
Change in thermal energy = mass x specific heat capacity x change in temperature
Change in temperature = mass x specific heat capacity x change in thermal energy
Change in thermal energy = mass x specific heat capacity x temperature of a material
Which type of energy is stored in an inflated balloon
Gravitational potential energy
Elastic potential energy
Strain energy
Chemical energy
When measuring the specific heat capacity of a metal block, what is the function of the ammeter?
To measure the voltage
To measure the power
To measure the current
To measure the energy
When measuring the specific heat capacity of a metal block, how can we increase the accuracy of our results?
Insulate the metal block
Add water to the hole with the thermometer
Place the metal block on a heat proof mat
All of the above
Change in thermal energy = mass x specific heat capacity x change in temperature
Calculate the energy transferred to a metal block that has a specific heat capacity of 380J/kg⁰C, has a temperature change of 15⁰C and a mass of 2.7kg
68.4J
68,400J
15,390J
15.39J
What is the definition of efficiency?
A measure of how much energy is wasted by an appliance
A measure of how quickly energy is transferred to an appliance
A measure of the energy transferred usefully to an appliance
A measure of the energy given off to the surroundings by an appliance
What is the equation used to calculate efficiency?
Efficiency = total energy input / total energy output
Efficiency = useful energy output / total energy input
Efficiency = useful energy input / useful energy output
Efficiency = total energy input / useful energy output
Which of the following can also be used to calculate efficiency?
Current
Voltage
Mass
Power
Which key term is used to describe energy being spread out or wasted?
Efficient
Deficient
Dissipate
Elevate
What term is used to describe a method for reducing unwanted energy transfers by reducing friction?
Insulation
Titration
Lubrication
Dissipation
What is a thermal insulator?
A non-conductive material
A conductive material
What is the name of the method of reducing unwanted energy transfers by the use of non-conductive materials?
Insulation
Titration
Lubrication
Dissipation
What is the law of conservation of energy?
Energy is created and transferred
Energy is created and stored
Energy is stored and destroyed
Energy is stored and transferred
How does thermal conductivity of a material affect the rate of conduction across that material?
The higher the conductivity, the faster the rate of conduction
The higher the conductivity, the slower the rate of conduction
The lower the conductivity the faster the rate of conduction
What are the units of power?
Joules (J)
Watts (W)
Kilograms (kg)
Newtons (N)
What is the definition of power?
How much electricity passes through an appliance
The amount of energy wasted by an appliance
The rate of energy transfer or the rate of doing work
The rate of electron transfer
What is the equation linking power, time and work done?
Power = work done / time
Power = work done x time
Work done = power / time
Which energy transfers relate to an object being projected upwards?
Increase chemical, increase KE, increase sound
Increase GPE, decrease KE, increase thermal
Increased KE, decreased GPE
Decrease GPE, increase KE, increase thermal
Which energy transfers relate to a moving object hitting an obstacle?
Decrease sound, decrease chemical, decrease thermal
Increase sound, decrease chemical, increase thermal
Decrease KE, increase sound, increase thermal
Increase KE, increase chemical, decrease thermal
Which energy transfers relate to a vehicle accelerating?
Increase chemical, increase elastic, increase sound
Decrease chemical, decrease KE, increase thermal
Decrease chemical, increase KE, increase thermal
Which energy transfers relate to a vehicle decelerating?
Increase chemical, increase elastic, increase sound
Decrease chemical, decrease KE, increase thermal
Decrease chemical, increase KE, increase thermal
Which energy transfers relate to a boiling kettle?
Decrease electrical, increase thermal, increase sound
Decrease electrical, increase thermal, increase chemical
Increase electrical decrease thermal, increase sound
What does it mean if a resource is renewable?
The resource is replenished
The resource will eventually run out
The resource will always release energy
The resource relies on external factors
What does it mean if a resource is reliable?
The resource is replenished
The resource will eventually run out
The resource will always release energy
The resource relies on external factors
What does it mean if a resource is non-renewable?
The resource is replenished
The resource will eventually run out
The resource will always release energy
The resource relies on external factors
Which resource is renewable?
Coal
Natural gas
Nuclear
Biofuel
Which resource does not release carbon dioxide?
Coal
Natural gas
Nuclear
Biofuel
Which resource is reliable?
Solar
Wind
Wave
Tidal
Which resource contributes damage to the ecosystem?
Solar
Wind
Wave
Tidal
Which resource is described as carbon neutral?
Biofuel
Fossil fuels
Nuclear
Hydeoelectric
