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Science overview- Electricity Year Four Summer (First Half) 2016 Week 1 Main objective To understand the differences between batteries and mains electricity. Focus/task Design a poster to highlight the potential dangers of electrical appliances. Key vocabulary Battery, mains, electricity, safe hazard, danger, dangerous 2 To understand what an electrical circuit is. Power, electricity, battery, cell, component, wire, crocodile clip bulb, bulb holder 3 To investigate electrical conductors 4 To understand cables and plugs. Make a simple circuit & recognise when/why a circuit will not work. Understand that a circuit needs a source of power & a device that uses that power to make it work. Use pictures to represent components of an electrical circuit in drawings. Carry out an enquiry to find out which materials are good electrical conductors & which are good electrical insulators. Where these materials might be used? Discover what to do if someone has an electric shock. Relate the electrical conductivity of materials to their uses in wires & plugs & find out how to wire a plug successfully. Understand that wires are coloured to keep people who are colour blind safe. Study the phenomenon of static electricity. Taken (and adapted) from Hamilton Trust unit: Electricity Other curriculum links PSHE personal safety, English speaking and listening- reasoning and supporting ideas/opinions with evidence. Maths, use of reasoning. English comprehension skills. Conductor, insulator, PSHE personal safety fuse, cable, plug, earth, live, neutral PSHE personal safety Science overview- Electricity Year Four Summer (First Half) 2016 5 To investigate how switches work. 6 To understand what makes a bulb brighter. 7 To create a working circuit to show an interactive map. Discover that switches are used to break an electrical circuit & that switches are used to stop and start an electrical appliance or to change how it works. There are various forms of switches. Design, make & test own switch. Set up an enquiry to find out how changing the number of components in a series circuit can make a bulb brighter or dimmer. Swap the bulbs for motors or buzzers & make further enquiries. Predict, use fair tests & draw conclusions. Use knowledge and skills from previous units to create a working circuit that can be fitted inside a box to create an interactive map of France. Taken (and adapted) from Hamilton Trust unit: Electricity Switch, circuit, bulb, component, break, power, conductor Maths, reasoning and problem solving Cell, circuit, buzzer, battery, motor, voltage, brighter, brightness, dim dimmer Maths, reasoning and problem solving All as above, this block is a revision of prior skills and knowledge. Geography, French, PSHE & Maths problem solving and reasoning