Energy

Describe energy stores and pathways and give examples.

Quantify energy, using box diagrams, and explain the idea of conservation of energy. Identify useful and wasted energy transfers and calculate efficiency from written questions and Sankey diagrams.

Explain the process of conduction and investigate the thermal conductivity of some different metals.

Explain the process of convection and give examples of convection currents.

Explain the process of radiation and how different surfaces can affect the absorption and emission of radiation.

Describe insulation and how different insulators can be used.

Define power and its relationship to energy. Calculate power using energy and time.

Make calculations on energy use in the home. Relate power to kilowatt hours and calculate the cost of energy.