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Year 8 Electricity - Coggle Diagram
Year 8 Electricity
1 Charge
2 Current
Interpret circuit diagrams
Recognise common circuit symbols
Define electrical current and its unit the amp
Compare open and closed circuits
3 Potential difference
4 Resistance
5 Ohms law
6 Series and Parallel Circuits
Compare Series and Parallel circuits
Recall how current and potential difference behave in a series circuit
Describe and explain how current and potential difference behave in a parallel circuit
Compare adding resistors in series and parallel with regards to the effects on the total resistance
Define the Ohm as the unit of resistance
Investigate the relationship between current and potential difference for a resistor
Use the equation V=IR
Compare the resistance of different components from their IV graphs
Define electrical resistance
Investigate factors that can affect resistance
Describe how thermistors and LDRs can be used in a sensor circuit
Describe how LDRs and Thermistors behave when exposed to light and heat respectively
Explain what causes resistance in a circuit
Define potential difference and its unit the volt
Explain what gives rise to a potential difference in a circuit
Use the equation E=QV
Understand how potential difference behaves when multiple components connected in series
Use the equation Q=It
Understand what drives the current in a circuit
Understand that charge is conserved in a circuit
Recall the structure of the atom
Describe the difference between a conductor and an insulator
Explain how objects aquire a static charge
Describe the nature of the electrostatic force between objects
Define electrical charge
Explain how static can cause sparks when objects are Earthed
Compare how static charge builds up across conductors and insulators