Font size
WorksheetsEnergy Stores and Transfers GCSE
Total questions: 26
Worksheet time: 13mins
Waste Thermal Energy _________________
into the surroundings
disappears
dissipates
diffuses
drains
Energy is measured in.....
kilograms
metres per second
Joules
metres
Which energy store is missing? Magnetic, electrostatic, nuclear, gravitational, elastic, thermal, chemical and....
heating
lighting
kinetic
sounding
Energy cannot be created or destroyed, it can only be _________ between the stores
removed
dissipated
transferred
stored
When a kettle boils, energy is transferred from the electrostatic store to the _________________ energy store.
chemical
kinetic
elastic
thermal
On a rollercoaster, the gravitational potential is at its highest/lowest when it reaches the top of the track
highest
lowest
On a rollercoaster, gravitational energy is transferred to which other two energy stores?
thermal and electrostatic
kinetic and chemical
kinetic and nuclear
thermal and kinetic
Work done is another way of saying energy is transferred. What are the units of measurement fir work done?
kilograms
Joules
Degrees celcius
Joules per kilogram degrees celcius
The mass of a car is 2500kg. It travels at 20m/s. Calculate the kinetic energy.
500,000J
600,000J
400,000J
700,000J
What is the equation to work out gravitational potential energy?
mass x gravitational field strength x height
0.5 x mass x velocity2
mass x height
height x gravitational field strength
A book has a mass of 2.7kg. It is on a shelf that is 2.4m above the ground. The gravitational field strength is 10N/kg. Calculate the gravitational potential energy:
64.7
64.8
64.9
65.0
What is the unit of measurement for mass?
grams
kilograms
metres
metres per second
What is the unit of measurement for mass?
grams
kilograms
metres
metres per second
How much energy is needed to heat 2kg of water from 10oC to 100oc. The specific heat capacity of the water is 4200J/kg oC. Use the equation sheet to calculate the change in thermal energy.
753,000J
754,000J
755,000J
756,000J
36,000J of energy is transferred to heat a 0.5kg block from 20oc to 100oc. Calculate the specific heat capacity:
800J/kgoc
900J/kgoc
1000J/kg0c
700J/kgoc
Power = ______________ ÷ time
mass
height
energy
work done
What is the unit of measurement for Power?
metres
kilograms
Watts
Joules
Conduction mainly occurs in _________
solids
liquids
gases
Conduction is where particles vibrate and transfer thermal energy along the object. Do metals have a high or low thermal conductivity?
high
low
Insulation reduces the rate of energy transfer by heating. What methods below do we use in our homes to reduce wasted energy?
double glazed windows
log burners
thick carpets
cavity wall insulation
Lubricating certain machines or bikes reduces which type of force?
air resistance
tension
magnetic
friction
Efficiency = useful energy ÷ total energy. Torch A transfers 1200J of energy per minute. 480J of this energy is useful. Calculate the efficiency.
40%
41%
42%
50%
Efficiency = useful energy ÷ total energy. A blender is 70% efficient. It has a total power output of 600W. Calculate the useful power output.
410W
420W
430W
440W
Which of these are non renewable energy resources?
coal, oil, gas, wind
coal, oil, gas, tidal
coal, oil, gas, nuclear
coal, oil, gas, solar
What is a negative impact of wind turbines?
unreliable
noisy
visual pollution
produce carbon dioxide gas
What is a negative impact of most renewable energy resources?
expensive start up costs
produce CO2 gas
damage the environment
produce poisonous waste
