Tuesday, 18 December 2012

UNIT 4 ELECTRICITY(LESSION 1)

1. The objects below can be used to make a complete circuit.
    ~ battery , connecting wires , bulb holder , bulb .
2. A complete circuit makes the bulb light up.
3. The bulb lights up brighter when a battery is added to the circuit. This is because more electricity flows through   the circuit.
4. The bulb lights up dimmer when a battery is removed from the circuit.
5. More batteries will make a bulb light up brighter. More bulb and longer wires will make a bulb light up dimmer.

1 comment:

NG SWEE YEN said...

Thank you for sharing.

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