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Introduction
The unit 'Circuits and conductors' built on #'s previous practical experience of making circuits and it extended ~ understanding of circuits, conductors and insulators and the need for a complete circuit in order for a device to work. ^ was introduced to the different ways in which ^ can vary the current in a circuit. ~ experimental and investigative work focused * using ~ ideas about circuits to construct ~ own circuits and investigate how they worked. ^ then used ~ results to draw ~ own conclusions. The work in this unit also offered * various opportunities to relate ~ knowledge about electricity to everyday contexts and to recognise and take action to avoid hazards and risks to *self that ^ may face.
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Circuits
Section 1: Making circuits that work

^ is able to explain why devices in some circuits shown in drawings will work but devices in other circuits will not e.g. the switch is open so there is a break in the circuit and the bulb won't light.
^ is able to identify the purpose of components in a circuit.
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Mains
Section 2: Mains and battery-powered circuits

^ has recorded in simple terms the characteristics of devices using mains electricity. 


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Experiment
Section 3: Conducting electricity

^ has constructed a circuit to test which materials let electricity pass through them.
^ has explained that with some materials the bulb did not light because the circuit was not complete.
^ is able to make a generalisation about which materials did or did not conduct electricity.
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Materials
Section 4: Conducting and insulating materials

^ is able to explain that metals are used e.g. for cables and wires because they are good conductors and plastics e.g. for plugs because they are insulators.


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Switches
Section 5: Switches

^ can construct a circuit in which a switch turns a specific device on or off.
^ is able to explain how ~ switch works.
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Batteries
Section 6: Adding batteries
Children:

^ has described what is likely to happens to the light bulbs when ^ adds additional batteries to ~ circuit e.g. it may be brighter but it may burn out.
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Circuits 2
Section 7: Changing circuits

^ was able to describe how a device and battery should be matched eg if it's a 1.5 volt bulb it needs a 1.5 volt battery.
# has suggested a way of changing the brightness of a bulb and ^ was able to predict what would happen if ^ added more bulbs or batteries to ~ circuit.
# compares circuits fairly by changing only one factor at a time.
^ is able to make comparisons between different circuits.
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