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S2 Science

Our Physical World Part 3. 1. Introduction to static electricity By the end of lesson 1, pupils should be able to: 1.1 use the words static, repel and attract when discussing electrical charge 1.2 describe the effects a charged object has on another object . Knox Academy Science Department.

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S2 Science

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  1. Our Physical World Part 3 1. Introduction to static electricity By the end of lesson 1, pupils should be able to: 1.1 use the words static, repel and attract when discussing electrical charge 1.2 describe the effects a charged object has on another object Knox Academy Science Department S2 Science

  2. Our Physical World Part 3 2.Different types of charge By the end of lesson 2, pupils should be able to: 2.1 describe an experiment to show what can happen when two charged rods are brought together. 2.2 state that there are two types of charge called positive and negative. 2.3 state that two charges the same repel each other, and that two different charges attract each other. Knox Academy Science Department S2 Science

  3. Our Physical World Part 3 3. Van de Graaf Generator By the end of lesson 3, pupils should be able to: 3.1 explain experiments when using the VDG 3.2 explain that sometimes charges can move and that moving charge is called an electrical current 3.3 recognise the symbol for an ammeter Knox Academy Science Department S2 Science

  4. Our Physical World Part 3 4.Current electricity By the end of lesson 4, pupils should be able to: 4.1 state that an electrical current is a flow of negative charges 4.2 negative charges flow when a cell is connected into a circuit 4.3 draw the symbol for both a cell, a battery and other circuit symbols 4.4 state that cells and batteries change chemical energy into electrical energy 4.5 state that a current flows from the negative end of a cell to the positive end Knox Academy Science Department S2 Science

  5. Our Physical World Part 3 5. A complete circuit By the end of lesson 5, pupils should be able to: 5.1 state that there needs to be a complete circuit before a current will flow 5.2 state what a conductor is 5.3 state what an insulator is 5.4 explain that the material in a circuit must be made from a conductor for a current to flow Knox Academy Science Department S2 Science

  6. Our Physical World Part 3 6. Series and parallel circuits By the end of lesson 6, pupils should be able to: 6.1 describe the differences between series and parallel circuits 6.2 draw a circuit diagram with 3 bulbs in series with a cell 6.3 draw a circuit diagram with 3 bulbs in parallel with a cell 6.4 build the above circuits Knox Academy Science Department S2 Science

  7. Our Physical World Part 3 7. Measuring current in a series circuit By the end of lesson 7, pupils should be able to: 7.1 state how we measure current 7.2 state the unit of current is the ampere or amp 7.3 connect an ammeter into a series circuit 7.4 draw a circuit diagram showing the circuit above 7.5 state that the current is the same at any point in a series circuit 7.6 solve problems relating to the current in a series circuit Knox Academy Science Department S2 Science

  8. Our Physical World Part 3 8. Measuring current in a parallel circuit By the end of lesson 8, pupils should be able to: 8.1 connect an ammeter into a parallel circuit 8.2 draw a circuit diagram showing the above circuit 8.3 state the relationship between the current coming from and going to the cell in a parallel circuit 8.4 state the relationship between the currents in the branches of a parallel circuit and the current from the cell 8.5 solve problems relating to the current in a parallel circuit Knox Academy Science Department S2 Science

  9. Our Physical World Part 3 9. Resistance to electrical current By the end of lesson 9, pupils should be able to: 9.1 state that opposition to electrical current is called resistance 9.2 state that the longer a conductor is the greater its resistance 9.3 state that the thicker a conductor is the smaller its resistance 9.4 state that different materials have different resistances 9.5 state that the bigger the resistance of a circuit the smaller the current and that the opposite is true Knox Academy Science Department S2 Science

  10. Our Physical World Part 3 10. Measuring voltage in a series circuit By the end of lesson 10 pupils should be able to: 10.1 recognise and use the circuit symbol for a voltmeter 10.2 use a voltmeter to measure the voltage across components in a series circuit 10.3 state the relationship between the supply voltage the the voltages across each component in a series circuit 10.4 solve problems using this relationship Knox Academy Science Department S2 Science

  11. Our Physical World Part 3 11.Measuring voltages in a parallel circuit By the end of lesson 11 pupils should be able to: 11.1 use a voltmeter to measure the voltage across components in a parallel circuit 11.2 state the relationship between the supply voltage and the voltage across components connected in parallel 11.3 solve problems using the above relationship Knox Academy Science Department S2 Science

  12. Our Physical World Part 3 12.Variable resistors and switches By the end of lesson 12 pupils should be able to: 12.1 explain how a switch works in terms of its resistance 12.2 draw the circuit symbols for a fixed and a variable resistor 12.3 describe two everyday uses of variable resistors Knox Academy Science Department S2 Science

  13. Our Physical World Part 3 13.Investigation of Ohm’s law By the end of lesson 13 pupils should be able to: 13.1 state the resistance is measured in Ohms 13.2 describe an experiment to show what happens to the current through a resistor as the voltage is changed 13.3 state that V/I is the same for any single resistor R 13.4 state the the value of V/I equals the value of resistor R 13.5 use this relationship to calculate values of R 13.6 draw a line graph of the V against I for this experiment Knox Academy Science Department S2 Science

  14. Our Physical World Part 3 14. The Thermistor By the end of lesson 14 pupils should be able to: 14.1 draw and recognise the circuit symbol for a thermistor 14.2 state that the resistance of a thermistor depends on its temperature 14.3 state that the higher the temperature of a thermistor the smaller its resistance, and that the opposite is true 14.4 use Ohm’s law to calculate the resistance of a thermistor 14.5 state that the larger a resistor in a series circuit the bigger its share of the supply voltage Knox Academy Science Department S2 Science

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