Download - Building electricity circuits
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P3-4 Learn about Electricity
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The Challenge….
To make the bulb light up
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……using the following equipment
1 battery
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2 wires
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1 bulb
and a bulb holder
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We had fun finding out how and where to attach the wires.
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There was great excitement when we managed to light the bulb!
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Everybody was successful at lighting their bulb, but we
found it tricky keeping the
wires attached.
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We replaced the wires with crocodile clips.
These were much easier to connect to the
bulb holder.
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We also used 2 batteries
with a battery holder.
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We realised that the clips
had to be connected to
the metal parts on the holders.
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We learned about conductors
and insulators.
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Conductors allow the electricity to flow all the way
around a circuit
… and so the bulb will still
light up.
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Insulators stop the electricity flowing around the circuit
so then the bulb will not light up.
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We found out that all metals were conductors.
A silver necklace lights up the bulb.
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Conductors• tin foil• keys• metal rings• metal spoon
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We discovered that all plastics are insulators.
Lego Ruler
cup
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Insulators• Wooden Spoon• Dish Cloth• Rubber tyre• Paper
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Next we learned how to build different
circuits …
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using buzzers
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and we made our own switches.
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Our final challenge was to
make an electrical number game.
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We worked with partners on this task.
First we thought of some
challenging sums.
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We used our measuring skills to
make the game.
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The questions and answers were
connected at the back with wires.
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When the correct answer is matched with a question,
the bulb lights up!