RIDDLE If you screw a light bulb into a lamp socket by turning the bulb towards the right with your right hand, which way would you turn the socket with.

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Presentation transcript:

RIDDLE If you screw a light bulb into a lamp socket by turning the bulb towards the right with your right hand, which way would you turn the socket with your left hand in order to unscrew it while holding the bulb stationary? To the right!!!

VOCABULARY

Match the words with the correct definition INSULATORS CIRCUIT RESISTANCE CURRENT GENERATOR The flow of electrons through a wire or any conductor Device that produces electricity by converting mechanical energy into electrical energy Materials that resist the flow of electric charges through them A measure of a material’s property of opposing or reducing flow of electric current through it A complete, closed path through which electric current flows

Can you identify the following items? battery socket Light bulb Power strip plug

voltmeter Electric circuit Extension cord Circuit breaker

What do these symbols represent? circuit diagram Scientists usually draw electric circuits using symbols; What do these symbols represent? Cell lamp switch wires

Simple Circuits ………… circuit …………. circuit All in a row 1 path for electricity 1 light goes out and the circuit is broken …………. circuit Many paths for electricity 1 light goes out and the others stay on series parallel

measuring current Electric current is measured in ………. (A) using an ammeter connected in series in the circuit. amps A