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Class Clips

Secondary Science : Phys: Electricity - Circuits

Clip description		Keywords
	An introduction to electricity Duration: 02:43 A comprehensive introduction to electricity, including current, insulators and conductors.	electricity, current, electron, conductor, insulator

	Conductors and insulators Duration: 00:49 Why does a metal wire conduct electricity while the plastic sheath does not?	electricity, mains, AC, DC, electron, conductor, insulator, live, neutral

	Current and energy in a circuit Duration: 01:25 Modelling is used to show how the current and charge in a circuit is not used up even though the energy store in a battery reduces over time.	modelling, electricity, energy, current, charge, circuits, energy store, potential difference

	Current and voltage in a circuit Duration: 02:15 The difference between current and voltage in a circuit is explained. Electrons are mentioned and animations are shown.	electricity, circuit, voltage, current, volts, energy, electrons

	Current and voltage in series and parallel circuits Duration: 02:59 CGI animations are used to demonstrate current and voltage in different circuits.	current, voltage, series, parallel, circuit, electricity

	Direct current vs alternating current Duration: 01:19 A demonstration of the difference between direct current and alternating current.	electricity, battery, mains, charge, current, frequency, hertz, physics, bitesize

	Electric shocks Duration: 01:02 An introduction to the concept of electric shocks and the functions of fuses and residual current devices (RCDs).	circuit, fuse, current, electricity, shock, physics, bitesize

	Electronic systems and burglar alarms Duration: 03:22 Modern burglar alarms use sensors in combination with each other and different logic gates to minimise false signals.	input, process, output, gates, electronics, burglar alarm, physics, bitesize

	How are switches used to control traffic lights? Duration: 01:52 A demonstration of the use of switches and microprocessors to control traffic lights. The differences between series and parallel circuits are also shown.	electricity, traffic lights, series, parallel, circuit, switch, microprocessor

	Resistance in a circuit Duration: 01:10 A demonstration of the current-resistance relationship of different materials in a circuit.	electricity, energy, current, resistance, circuits, materials

	Series and parallel circuits Duration: 02:51 A detailed explanation of series and parallel circuits including some household examples.	series, parallel, circuits

	Voltage and current Duration: 03:14 An investigation into voltage and current using the Blackpool lights as an example.	investigation, electricity, energy, voltage, current

LEARNING ZONE BROADBAND

Secondary Science : Phys: Electricity - Circuits

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