Energy Level Descriptions

Level 4
Describe where electricity is generated and how it gets to our home
Recall that different energy resources can generate electricity
Describe some useful energy transfer devices
Recall that a working circuit needs a power supply
Recall that electricity generation can cause environmental problems
Give examples of how energy is wasted
Describe how electricity is generated by energy from fuels
Recall that insulators can reduce heat loss
Recall that substances can expand and contract as temperatures change
Recall that substances can change state when heated or cooled
Give more examples of common temperatures using °C
Recall that temperature is a measure of amount of heat energy
Describe the way that heat energy moves from one place to another

Level 5
Explain what is meant by energy transfer
Explain how heat energy is transferred using particles
Use particles to explain expansion and changes of state
Explain why we use some conductors and insulators

Level 5/6
Give some examples of how energy is transformed
Measure energy transfer in a circuit by measuring voltage
Recall that voltage can originate from a chemical cell
Explain the dangers of high voltage circuits
Compare the energy consumption of different appliances
Recognise the effects of environmental pollution of burning fuels
Describe the relationship between energy transferred and increase in temperature

Level 7
Explain a circuit using voltage and energy changes
Recognise that even if energy is conserved in a system, some energy can be dissipated
Use power ratings to compare the cost of different electrical appliances
Link an electric generator to magnetic effects
Give even more examples of temperatures using °C
Explain why some materials are better conductors than others and how these can be used