3Useful Words Battery Bulb Buzzer Motor Break Electrical insulator Unit 4F: VocabularyUseful WordsBatteryBulbBuzzerMotorBreakElectrical insulatorElectrical ConductorMetalPlasticAn electrical energy sourceA light source powered by electricityA sound source powered by electricityA device that uses electricity to produce movementIn an electric circuit a break will stop the circuit workingA material that will not allow electricity to pass throughA material that will allow electricity to pass throughA good conductor of electricityAn electrical insulatorUnit 4F: Vocabulary
4Unit 4F: Simple Circuits Which of the circuits will work and which ones will not?Why will they not work?Unit 4F: Simple circuits: L.O. 1, 2: N.C. 4.1a
6Unit 4F: Conductors and Insulators What materials are good conductors of electricity?How can we test various materials to see if they are conductors?MaterialConductorInsulatorWhat do the results show?Are there any exceptions to the general rule?Unit 4F: Conductors and Insulators: L.O. 4, 5, 6: N.C. 3.1c
7Unit 4F: Uses of metals and plastics in electrical circuits Unit 4F: Uses of metals and plastics in electrical circuits: L.O. 7: N.C. 3.1c
8Unit 4F: Switches: L.O. 8: N.C. What does the switch actually do?Unit 4F: Switches: L.O. 8: N.C.
11Unit 4F: Changing circuits How can you change the brightness of the bulb?List all the things you could change to do this.What will happen if you add more bulbs to the circuit?What would a switch do to the circuit?If the bulb was exchanged for a motor, how could the speed of the motor be changed?How could the loudness of a buzzer be changed?Unit 4F: Changing circuits: L.O. 11, 12, 13, 14: N.C. 4.1a
12Concept Map Unit 4F: Summary Circuits and Conductors Need a power sourceSwitch can break a circuitBulb brighterComponentsMotor fasterMoreBatteriesCircuitsBuzzer louderNeeds to be completeLessBulb dimmerCircuits andConductorsMotor slowerBuzzer quieterAllow electricitythroughInsulatorsDo not allow electricity throughConductorsSome better than othersNon-metalMetals are goodCablesWiresUnit 4F: Summary