1. Energy losses

2. Identify energy transfers and energy losses for each

3. DeviceUseful energyEnergy losses How can we minimise the energy lost? What other information could you take into account?

4. Draw a diagram of the National Grid used to distribute electricity around the country (or use an existing diagram). Label the points where energy could be lost and explain the steps that the National Grid has taken to minimise these losses.

5. How can we tell if something is efficient? What information does this graphic give us? Would you be likely to buy this product? How might this information be useful as a consumer?