Harry has been carrying out an experiment at home (under close supervision of his Mum and Dad) and I asked him to write down how he did it.
Harry has a hot wire set and this is how he did it:
LEDs in Parallel
In a parallel both LEDs receive 3V each from the battery and they both light up.It seems as if you are getting more out of the batteries as only 3V is lighting both LEDs, but in reality the batteries will only last half as long as they would if both LEDs were touching each other
Testing Electrical Conductivity
Some materials can conduct electricity (this means that electricity can pass through them), and other materials can’t conduct electricity.
This circuit can test whether different materials are conductors, or non-conductors.
I built the circuit, then I held a spoon across the two terminals A and B. I pressed the button and the light bulb turned on!
From Harry Matthews
Well done Harry! We are all really pleased to see your good work!
We have a video of the experiment on Twitter . Just click on the link. It’s worth a watch!