Why are insulators important in an electrical circuit?
They make the circuit safe to touch
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10
Why is rubber good to use around a wire?
It is an insulator, it does not allow electricity to pass through it.
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10
Name two functions of a battery
Power source , electrical energy storage
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seesaw
Swap points!
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shark
Other team loses 20 points!
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fairy
Take points!
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25
lifesaver
Give 20 points!
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10
What do we call the ability to conduct?
Conductivity
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trap
No points!
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magnet
Take 10 points!
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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heart
Other team wins 15 points!
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gift
Win 15 points!
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gift
Win 20 points!
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thief
Give points!
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25
heart
Other team wins 10 points!
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gold
Win 50 points!
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gift
Win 25 points!
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banana
Go to last place!
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15
What are the conditions for the bulb to light up? Name three
The circuit should have at least all three components.The circuit should be closed. The connections should provide electrical contact (metal on metal).
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15
Name three functions of a switch
It controls the flow of electric current , it's used to turn electrical devices on and off , it's a safety measure in electric circuits
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10
Draw a circuit with one cell , 2 bulbs and a closed switch
draw
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5
How does your cellphone make use of electricity?
We use electrcity to charge the battery it uses.
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15
Name three functions of an electrical wire
Conduct electricty ,connect components , transfer energy
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10
Why are our bodies also good conductors?
Electric current can easily flow through it.
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5
Which would be the best conductor of electricity? Air, Cork, Water, Silver