Electricity and Energy Learning Intentions and Success Criteria

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1 Electricity and Energy s and Revision from S1 and S2 s I am aware of different forms of energy and can name some I can state the energy changes which take place in everyday pieces of equipment I am aware of current and voltage in a circuit I can identify a range of circuit symbols I can recognise series and parallel circuits Measure current in a circuit Measure voltage in a circuit Explain how a V de G stores charge Set up a series circuit Set up a parallel circuit Identify energy changers that convert electrical energy to other forms of energy Identify an energy changer which converts kinetic energy to electrical Explain what happens if a lamp in a circuit is unscrewed Resistance I can measure current, voltage and resistance using appropriate meters in series or parallel circuits. I can state the factors that affect resistance. I can use the appropriate relationships between voltage, current and resistance in calculations for series circuits. Measure resistance of individual resistors and combinations of resistors (both series and parallel) using an ohmmeter Carry out a fair experiment to compare the factors which affect resistance Explain the effect of temperature on resistance Carry out an experiment based on Ohm s Law and write up the experiment as an LO1

2 Electronic Components I can identify input devices I can identify output devices I can state the energy change in selected input devices I can state the energy change in selected output devices I can identify logic gates and their properties Select a suitable input device for a circuit Select a suitable output device for a circuit Correctly identify the energy change for a range of input and output devices Select the correct logic gate for a given task Identify the symbol and truth table for o AND gate o NOT gate o OR gate o Design and construct a working circuit to solve a given problem Electrical Power I am aware that different appliances have different power ratings I can compare the brightness of lamps with different power ratings but the same operating voltage State the fuse value required for an appliance when I know the power rating State by observation which lamp has the higher power rating I explain why appliances which produce heat have higher power ratings

3 Power Consumption I am aware that different electrical appliances use different amounts of electrical energy Show by calculation how much energy is used by different appliances in 1 hour Power, Energy and Time I am aware that different electrical appliances have different running costs Show by calculation that energy costs increase as the power rating and/or time of use increase Efficiency I am aware that there are energy losses during the generation, distribution and use of electrical energy Show by calculation that energy costs to the home increase as the power rating and/or time of use increase Calculate efficiency from experimental results from input and output energy/power

4 Electromagnetism I show that magnetic fields exist I am aware of attraction and repulsion I am aware that electromagnets exist I can compare the strengths of electromagnets Show magnetic fields using permanent magnets and iron filings Show by experiment that a field is produced using wires and a selection of cores Investigate the strength of electromagnets using C-cores, wire, power supply and paper clips Energy Production I am aware that there are many demands on finite energy sources I am aware of the use of and research into renewable energy in Scotland Investigate the operation of a renewable energy source (wind or solar) and write a formal report into my findings Write a report on findings from research task on possible self -sufficiency on Scottish islands.

5 Fossil Fuels I am aware that there is a finite supply of fossil fuels I am aware of different methods of generation of electrical energy I am aware of energy efficiency issues in the generation, distribution and use of electricity Identify fossil fuels and other non-renewable sources of electrical energy Identify methods of reducing energy loss

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