Students should describe the idea of lost or useful energy
Students should : (HT only) Students should be able to describe ways to increase the efficiency of an intended energy transfer.
(HT only) WS 1.4 Explain everyday and technological applications of science; evaluate associated personal, social, economic and environmental implications; and make decisions based on the evaluation of evidence and arguments.
MS 1a - Recognise and use expressions in decimal form
MS 1c - Use ratios, fractions and percentages
MS 3b Change the subject of an equation
MS 3c Substitute numerical values into algebraic equations using appropriate units for physical quantities
Energy and Efficiency
The Efficiency of a bouncy ball. Introduce accuracy (recall paralax error) and repeatability (mean)