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

S2 Science Our Physical World Part 3 Knox Academy Science Department 2.Different types of charge By the end of lesson 2, pupils should be able to: 2.1describe an experiment to show what can happen when two charged rods are brought together. 2.2state 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.

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

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

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

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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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 7.2state the unit of current is the ampere or amp 7.3connect an ammeter into a series circuit 7.4draw a circuit diagram showing the circuit above 7.5state that the current is the same at any point in a series circuit 7.6solve problems relating to the current in a series circuit

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

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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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

S2 Science Our Physical World Part 3 Knox Academy Science Department 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