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Once upon an electron, there lived a boy 

named Elliot. Elliot was a very curious boy 

who loved to experiment things. 

One day, in school, Mr.Electro was teaching the 

science class electricity. 

"Ok, guys, how is electrical energy transferred to 

different forms?" asked Mr.Electro.

There was no answer because no one knew it.

"There are three ways. 

1. Friction- when two objects rub against each other

2. Contact- when two objects touch.

3. Induction-when a charged object comes close to a 

non-charged object." said Mr.Electro.

Now, kids, lets do a lab activity on circuits. So, 

build a series and parallel circuit. You will be 

graded on this next week.

"But, Mr.Electro, what is a circuit?" asked 

Elliott.

"Well, a circuit is a closed loop that electrons 

travel through." said Mr.Electro.

"How do we make a circuit?" asked Elliott.

"Well, you need a power source like a battery, 

a load like a light bulb or fan, and a connector 

like the wires to join all of them together" 

replied Mr.Electro.

"What flows through a circuit?" asked Elliott.

"Jellybeans!!!" exclaimed Tom.

"Ha ha. No. Electrons and protrons flow 

through a circuit" said Mr. Electro.

The kids then started to build the circuits. 

"Ouch!" shouted Sally. 

"You got shocked because there is a current" 

said Mr. Electro.

"What's a current?" asked Tom

"A current a flow of electrons or electricity in 

an electrical circuit. But be careful kids. If you 

use two batteries for one light bulb, the light 

bulb will burn out. That's because there is too 

much voltage for the light bulb. Voltage is 

another name for potential difference," said Mr. 

Electro.

The light bulb will not work because of the wood 

acting as an insulator which stops the flow of 

electrons.

What's potential diff?" said Zavier.

"Potential difference is the voltage difference in 

potential between two points in a circuit," said 

Mr. Electro.

" But, Mr.Electro, I did not get a shock. Why is 

it that only Sally got a shock?" asked Elliott.

"That's because in your experiment, you have 

included a piece of wood. I bet your light bulb 

is not working right?" asked Mr. Electro.

"Right. But, why is it not working and why 

didn't I get a shock?" asked Elliott impatiently. 

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