Evaluate in detail an experiment to Working or not? (5 min) Hold a heavy weight but do not lift or drop it. measure work done, explaining why Ask if mechanical work is being done on the weight, and if not, why there is variation in the measurements. energy is being transferred as you hold it. Mathematical work out (10 min) Students use the interactive to answer some additional questions involving the equation for work done. WS: 1.2 Lesson P1.4 Gravitational potential energy stores MS: 1a, 1c, 3b, 3c AQA spec link: Aiming for Grade 4 LOs: Lesson 1.1.2 The amount of gravitational potential State the factors that affect the change Starters energy gained by an object raised above ground in the gravitational potential energy Lifting level can be calculated using the equation: store of a system. by a Calculate the gravitational potential g.p.e. = mass × gravitational field strength × things energy store of a system using the height energy weight of an object and its height. energy Measure the gravitational potential [Ep = m g h] energy store changes in a system with gravitational potential energy Ep in joules, J a simple practical activity.
Working or not? (5 min) Hold a heavy weight but do not lift or drop it. Ask if mechanical work is being done on the weight, and if not, why energy is being transferred as you hold it. Mathematical work out (10 min) Students use the interactive to answer some additional questions involving the equation for work done. Evaluate in detail an experiment to measure work done, explaining why there is variation in the measurements. Lesson P1.4 Gravitational potential energy stores WS: 1.2 MS: 1a, 1c, 3b, 3c AQA spec link: 1.1.2 The amount of gravitational potential energy gained by an object raised above ground level can be calculated using the equation: g.p.e. = mass × gravitational field strength × height [Ep = m g h] gravitational potential energy Ep in joules, J Aiming for Grade 4 LOs: State the factors that affect the change in the gravitational potential energy store of a system. Calculate the gravitational potential energy store of a system using the weight of an object and its height. Measure the gravitational potential energy store changes in a system with a simple practical activity. Lesson Starters Lifting by a things energy energy
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