2.14.1 and 2.14.2; Identify the transfers between energy stores when Homework quiz work is done against friction. Technician’s notes 2.14 9 2 9/10 2.15 Understanding power Define power. P2.2o Worksheet 2.15; Quick starter Compare the rate of energy transfer by various Homework Practical sheets machines and electrical appliances. worksheet 2.15 and 2.15.2; Calculate power. Homework quiz Technician’s notes 2.15.1 and 2.15.2 9 2 9/10 2.16 Key concept: Forces Explain what happens to the motion of an object KC Practical sheets Quick starter and acceleration when the resultant is not zero. Homework 2.16.1, 2.16.2 and Analyse situations in which a non-zero resultant worksheet 2.16.3; force is acting. Homework quiz Technician’s notes Explain what inertia is. 2.16 9 2 11/12 2.17 Forces and energy in Explain why you need two forces to stretch a P2.3a, b starter Worksheets 2.17.1 springs spring. Homework and 2.17.2, Practical Describe the difference between elastic and worksheet inelastic deformation. Homework quiz sheet 2.17, Calculate extension, compression and elastic Technician’s notes potential energy. 2.17 9 2 11/12 2.18 Required practical: Interpret readings to show patterns and trends. P2.3c, d, e Practical sheet starter Investigate the Interpret graphs to form conclusions. Homework 2.18, Required relationship between the equation for a straight line to the graph. worksheet practical 2.18, force and the extension Homework quiz Technician’s notes of a spring 2.18 9 2 11/12 2.19 Potential energy Consider what happens when a spring is P2.3f Worksheet 2.19; Quick starter stretched. Homework Practical sheet worksheet
Identify the transfers between energy stores when work is done against friction. 2.14.1 and 2.14.2; Technician’s notes 2.14 Homework quiz 9 2 9/10 2.15 Understanding power Define power. Compare the rate of energy transfer by various machines and electrical appliances. Calculate power. P2.2o Worksheet 2.15; Practical sheets 2.15 and 2.15.2; Technician’s notes 2.15.1 and 2.15.2 Quick starter Homework worksheet Homework quiz 9 2 9/10 2.16 Key concept: Forces and acceleration Explain what happens to the motion of an object when the resultant is not zero. Analyse situations in which a non-zero resultant force is acting. Explain what inertia is. KC Practical sheets 2.16.1, 2.16.2 and 2.16.3; Technician’s notes 2.16 Quick starter Homework worksheet Homework quiz 9 2 11/12 2.17 Forces and energy in springs Explain why you need two forces to stretch a spring. Describe the difference between elastic and inelastic deformation. Calculate extension, compression and elastic potential energy. P2.3a, b Worksheets 2.17.1 and 2.17.2, Practical sheet 2.17, Technician’s notes 2.17 starter Homework worksheet Homework quiz 9 2 11/12 2.18 Required practical: Investigate the relationship between force and the extension of a spring Interpret readings to show patterns and trends. Interpret graphs to form conclusions. the equation for a straight line to the graph. P2.3c, d, e Practical sheet 2.18, Required practical 2.18, Technician’s notes 2.18 starter Homework worksheet Homework quiz 9 2 11/12 2.19 Potential energy Consider what happens when a spring is stretched. P2.3f Worksheet 2.19; Practical sheet Quick starter Homework worksheet
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