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Edexcel IGCSE Physics Topic 4 - Energy Resources And Energy Transfers

Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.

 • I can use and recall the equations and the units for this unit as shown in the equation sheet

 • I can recall the different types of energy and give examples

 • I can describe the energy changes involved in a range of common situations

 • I can describe energy transfers

 • I can use the principle of conservation of energy

 • I can recall and use the equation linking efficiency, useful energy output and total energy output

 • I can sketch everyday energy transfer situations into Sankey diagrams

 • I can describe how thermal energy is transferred

 • I can explain how convection occurs

 • I can explain the movement of thermal energy (emission and absorption)

 • I can describe a practical investigation into transferring thermal energy

 • I can explain how to reduce energy transfer

 • I can recall and use the equation linking work done, force and distance moved in the direction of the force

 • I can recall that know that work done = energy transferred

 • I can recall and use the equation linking gravitational potential energy, mass, gravitational field strength and height

 • I can recall that in a closed system, GPE = KE = work done

 • I can state that power is the rate of work being done

 • I can use the equation linking power, work done (energy transferred) and time taken:

 • I can recall that energy cannot be created or destroyed

 • I can describe what happen to wasted energy

 • I can recall ways to reduce wasted energy 

 • I can describe energy transfers involved with renewable energy

 • I can describe the advantages and disadvantages of producing electricity from both renewable and non-renewable resources