4th Sep '25

Schemes of Work

P1
- P1.2
  - Lesson 01 - How do we draw circuits? Lesson Plan Lesson Title
    - Circuit diagrams use standard symbols (draw and intrepret)
      - Suggested Activity:
        Draw circuit diagrams for different scenarios for parallel and series
        circuits.
        practical:
        Measure current and voltage in given circuits.
        GF:Why should a home have a parallel circuit installed for lighting and not series?
        Equipment Required:
        Electricity trolley:
        Ammeter
        Voltmeter
        bulbs 2.5
        leads
        Batteries
    - For electrical charge to flow through a closed circuit the circuit must
      include a source of potential difference.
    - Electric current is a flow of electrical charge.
    - The size of the electric current is the rate of flow of electrical charge.
  - Lesson 02 - How can circuits be turned into circuit diagrams? Lesson Plan Lesson Title
    - Students should be able to draw an appropriate circuit diagram using correct circuit symbols.
      - Suggested Activity:
        Practice questions involving rearranging for a
        Extension:Draw Parallel circuits.
    - Charge flow, current and time are linked by the equation:
      charge flow = current ? time
      - Suggested Activity:
        Practice questions involving rearranging for a stretch.
    - A current has the same value at any point in a single closed loop.
      - Suggested Activity:
        Practical: Create series and parallel circuits and test how voltage and current changes at different points of the circuit.
        Equipment Required:
        Electricity trolley:
        Ammeter
        Voltmeter
        Power packs
        leads
        12v bulbs
        Resistors 100 Ohms
  - Lesson 03 - What factors affect resistance? Lesson Plan Lesson Title
    - Current, potential difference or resistance can be calculated using the
      equation:
      potential difference = current ? resistance
      V = I R
      - Suggested Activity:
        Diffrentiated questions using the equation
        V= I R
        Equipment Required:
        x
    - The current (I) through a component depends on both the resistance (R)
      of the component and the potential difference (V) across the component.
      - Suggested Activity:
        Draw a current (amps) against potential difference (volts) graph.
    - Students should be able to explain that, for some resistors, the value of R remains constant but that in others it can change as the current changes.
  - Lesson 04 - Required Practical - Resistance along a wire Lesson Plan Lesson Title
    - Required practical 3 - factors affecting resistance
      - Suggested Activity:
        Required practical 3: factors affecting resistance
        EW: What is the best type of wire for a light bulb?
        Equipment Required:
        Power packs
        ammeters
        voltmeters
        croc/clips
        resistance wire on banjo boards
        plug/plug leads
        10 Ohm resistors
  - Lesson 05 - Required Practical - Resistance of components Lesson Plan Lesson Title
    - The greater the resistance of the component the smaller the current for a
      given potential difference (pd) across the component.
    - Students should be able to use graphs to explore whether circuit
      elements are linear or non-linear and relate the curves produced to their function and properties.
      - Suggested Activity:
        Drawing graphs that identify linear and non linear relationships.
    - Required practical 4 - resistors
      - Suggested Activity:
        SEE AQA Required practical method and use booklets.
        GF:What would be the best type of resistor for an incubator?
        Equipment Required:
        ammeters or multimeter
        voltmeters
        12 V lamps or desk lamps?
        variable resistor
        diodes
        resistor 10 Ω
        Connecting leads
        LDRs
        power packs
  - Lesson 06 - What are the applications of different types of resistor? Lesson Plan Lesson Title
    - The resistance of a filament lamp increases as the temperature of the filament increases. (Required practical activity 4)
    - The applications of thermistors in circuits eg a thermostat is required.
    - Students should be able to explain the design and use of a circuit to measure the resistance of a component by measuring the current through, and potential difference across, the component
    - The diode has a very high resistance in the reverse direction.
    - Students should be able to explain the design and use of a circuit to measure the resistance of a component by measuring the current through, and potential difference across, the component
    - The current through an ohmic conductor (at a constant temperature) is directly proportional to the potential difference across the resistor. This means that the resistance remains constant as the current changes. (Required practical activity 4)
    - Students should be able to explain the design and use of a circuit to measure the resistance of a component by measuring the current through, and potential difference across, the component
      - Suggested Activity:
        Draw and compare circuits that measure resistance. Highlighting the importance of placing the voltmeter in parallel and ammeter in series.
        EW: Justify what type of resistor should be used in a street lamp.
    - The resistance of components such as lamps, diodes, thermistors and LDRs is not constant; it changes with the current through the component. (Required practical activity 4)
      - Suggested Activity:
        Draw and compare circuits that measure resistance. Highlighting the importance of placing the voltmeter in parallel and ammeter in series.
        EW: Justify what type of resistor should be used in
        Circuit of lamp, diode, thermistor or LDR
        Equipment Required:
        Switches
        Power supplies
        Resistors
        Ammeters
        Wires
        Voltmeters
        LDRs
        Thermistors
        Diodes
        Lamps
    - The current through a diode flows in one direction only.
      - Suggested Activity:
        Draw graphs of current against voltage for LDR, Diode, thermistor and filament lamp.
        Equipment Required:
        graph paper
    - The applications of thermistors in circuits eg a thermostat is required.
      - Suggested Activity:
        Investigate the effect of temperature and light intensity on thermisters and LDRs
        Equipment Required:
        battery circuit kits
        thermisters
        kettles (filled and heated)
        thermometers
        ice
        LDRs
        lamps
        data loggers (LUX meters)
        Ammeters
        Voltmeters
        Large beakers (500mL)
    - The resistance of an LDR decreases as light intensity increases. (Investigation)
      - Suggested Activity:
        LDR light intensity practical
        Equipment Required:
        multimeters
        lamps 12v
        LDRs
        power packs
        leads
        voltmeters
        ammeters
        diodes
        10 Ohm resistors
        variable resistors
    - The application of LDRs in circuits eg switching lights on when it gets
      dark is required.
    - Students should be able to explain the design and use of a circuit to measure the resistance of a component by measuring the current through, and potential difference across, the component
    - The resistance of a thermistor decreases as the temperature increases. (Investigation)
    - [The resistance of a semicondutor decreases as energy increases as more charge carriers become freed]