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WorksheetsConservation of Energy
Total questions: 20
Worksheet time: 3600secs
Which store of energy is found in moving objects?
Kinetic
Thermal
Mechanical
Electrical
How is energy transferred in a circuit with a battery and a bulb?
electrically
mechanically
by radiation
by heating
What is the equation for efficiency?
total input energy / useful output energy
useful output energy / total input energy
wasted output energy / total input energy
Which store of energy is found in an LED light?
thermal
light
nuclear
Which store of energy is found in a ball thrown in the air?
Gravitational Potential
Elastic Potential
Gravity
Air Resistance
An insulator is...
a poor conductor of thermal energy
a good conductor of thermal energy
Air is a good insulator because...
it does not conduct thermal energy well
it does conduct thermal energy well
Examples of insulation in a house includes: (pick 3)
loft insulation
double glazing
cavity wall insulation
net curtains
Convection is...
thermal energy transferred through currents in liquids
thermal energy transferred through currents in liquids and gasses
thermal energy transferred through currents in solids
Conduction is...
thermal energy transferred through vibrations in solids
thermal energy transferred through waves in solids
thermal energy transferred through vibes in solids
Radiation is...
thermal energy transferred through waves
thermal energy transferred through thoughts
thermal energy transferred through light
Conduction happens in...
Solids
Liquids
Gasses
Liquids and Gasses
Convection happens in...
Solids
Liquids
Gasses
Liquids and Gasses
Radiation happens in...
Solids
Liquids
Gasses
A Vacuum
Tick all the renewable energy sources
oil/petrol
solar power
nuclear energy
wind power
Tick all the non-renewable energy sources
solar power
petrol/oil
wind power
nuclear energy
A renewable energy source can...
be used again and again
can be replaced
Solar power isn't reliable in the UK because...
we have a bad system for building solar panels
we don't get sun throughout the year
solar panels are unreliable
What are the three fossil fuels?
coal
oil
gas
nuclear power
biomass
What is the name for a fuel made from plants or from animal wastes?
biomass
coal
petrol
bonfires
