particular applications, including Determine the resistance of Executive function domestic lighting different arrangements of Using a thermistor: Page 84, resistors of known animation resistance. 2.8 understand how the current in a Investigate how the series circuit depends on the applied Edexcel International GCSE resistance of a LDR varies voltage and the number and nature Physics Revision Guide: Pages 30 with intensity. of other components to 32 and Pages 96 to 97 Investigate how the resistance of a thermistor describe how current varies with 2.9 varies with temperature. voltage in wires, resistors, metal filament lamps and diodes, and how Investigate how the this can be investigated resistance of a pressure Video clip: experimentally sensor varies with pressure. (a) Connect a green LED and a 2.10 describe the qualitative effect of red LED in opposite senses changing resistance on the current in as a current direction a circuit indicator. Use LEDs to show the 2.11 describe the qualitative variation passage of current through of resistance of light-dependent a circuit. resistors (LDRs) with illumination and of thermistors with temperature Demonstration: Use a diode to show wave rectification from an 2.12 know that lamps and LEDs can a.c. supply on an be used to indicate the presence of a oscilloscope. current in a circuit. Problem solving Problem solving 14 Section 2: Electricity Students will be assessed on their Activity: Edexcel International GCSE Interpretation Analysis ability to: Physics Student Book: Pages Energy and voltage Complete examples c) Executive function Reasoning and 82–87, 80, 88 and 89 in circuits including calculations Interpretation involving V = I × R and Q = I Executive function × t.
particular applications, including domestic lighting 2.8 understand how the current in a series circuit depends on the applied voltage and the number and nature of other components 2.9 describe how current varies with voltage in wires, resistors, metal filament lamps and diodes, and how this can be investigated experimentally 2.10 describe the qualitative effect of changing resistance on the current in a circuit 2.11 describe the qualitative variation of resistance of light-dependent resistors (LDRs) with illumination and of thermistors with temperature 2.12 know that lamps and LEDs can be used to indicate the presence of a current in a circuit. Determine the resistance of different arrangements of resistors of known resistance. Investigate how the resistance of a LDR varies with intensity. Investigate how the resistance of a thermistor varies with temperature. Investigate how the resistance of a pressure sensor varies with pressure. Connect a green LED and a red LED in opposite senses as a current direction indicator. Use LEDs to show the passage of current through a circuit. Demonstration: Use a diode to show rectification from an a.c. supply on an oscilloscope. Using a thermistor: Page 84, animation Edexcel International GCSE Physics Revision Guide: Pages 30 to 32 and Pages 96 to 97 Video clip: (a) Executive function 14 Section 2: Electricity c) Energy and voltage in circuits Students will be assessed on their ability to: Activity: Complete examples including calculations involving V = I × R and Q = I × t. Edexcel International GCSE Physics Student Book: Pages and 82–87, 80, 88 and 89 Problem solving Interpretation Executive function Problem solving Analysis Reasoning Interpretation Executive function wave
IGCSE-physics-scheme-of-work.docx