Investigate the power consumption of low-voltage 2.3 understand why a current in a Video clips: electrical items. resistor results in the electrical (a) transfer of energy and an increase in (b) temperature, and how this can be Demonstrations: (c) used in a variety of domestic Look at barrel fuses and contexts circuit breakers. Use wire wool as part of a know and use the relationship: 2.4 circuit containing light bulbs power = current × voltage to model a fuse. P = I × V Look at the trace from a signal generator (a.c.) and a and apply the relationship to the battery (d.c.), using a CRO. selection of appropriate fuses 2.5 use the relationship between energy transferred, current, voltage and time: energy transferred = current × voltage × time E = I × V × t 2.6 know the difference between mains electricity being alternating current (a.c.) and direct current (d.c.) being supplied by a cell or battery. Analysis Problem solving 13 Section 2: Electricity Students will be assessed on Activity: Edexcel International GCSE Adaptive learning Analysis ability to: Physics Student Book: Pages c) Energy and voltage Complete examples Executive function Reasoning and 82–87, 80, 88 and 89 in circuits including calculations. Adaptability Interpretation 2.7 explain why a series or parallel Decision making circuit is more appropriate for Using a LDR: ActiveBook: Page Class practicals: Adaptive learning 84, animation
2.3 understand why a current in a resistor results in the electrical transfer of energy and an increase in temperature, and how this can be used in a variety of domestic contexts 2.4 know and use the relationship: power = current × voltage P = I × V and apply the relationship to the selection of appropriate fuses 2.5 use the relationship between energy transferred, current, voltage and time: energy transferred = current × voltage × time E = I × V × t 2.6 know the difference between mains electricity being alternating current (a.c.) and direct current (d.c.) being supplied by a cell or battery. Investigate the power consumption of low-voltage electrical items. Demonstrations: Look at barrel fuses and circuit breakers. Use wire wool as part of a circuit containing light bulbs to model a fuse. Look at the trace from a signal generator (a.c.) and a battery (d.c.), using a CRO. Video clips: (a) (b) (c) 13 Section 2: Electricity c) Energy and voltage in circuits Students will be assessed on ability to: 2.7 explain why a series or parallel circuit is more appropriate for Activity: Complete examples including calculations. Class practicals: Edexcel International GCSE Physics Student Book: Pages and 82–87, 80, 88 and 89 Using a LDR: ActiveBook: Page 84, animation Analysis Adaptive learning Executive function Adaptability Problem solving Analysis Reasoning Interpretation Decision making Adaptive learning
IGCSE-physics-scheme-of-work.docx