How electrical energy flows

The power that operation to our houses is generated in strength stations. From here, it operation through large transmission lines, which lug it come substations. Finally, distribution lines bring electricity native substations to houses, businesses, and schools like yours!


How does electrical energy reach our homes?

Have you ever before wondered exactly how the electrical energy that powers every those gadgets in your house actually gets there? Here"s the lowdown!

In strength stations, big spinning turbines generate electricity, it is provided by wind, coal, organic gas, or water (hydropower).

You are watching: A path through which electricity travels

The electrical present is sent out through transformers, which rise the voltage for this reason the power deserve to be moved over long distances.

The electrical charge is then brought by transmission lines organized up by big towers, i m sorry stretch across large distances.

From the infection lines, the electrical power reaches a substation, where the voltage is lowered so it have the right to be sent out on smaller sized power lines.


The power is then sent through distribution lines to her neighbourhood. Smaller transformers lower the voltage again so that the power is for sure to usage in our homes.

The electrical energy connects to her house, where it passes v a meter which actions the amount of electrical energy you use.

Finally, the electrical power travels through wires within the wall surfaces to the outlets and also switches in your residence - all set to power your devices!


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Energy heats a lightbulb"s wires, make the gas within the pear glow.


What is an electric circuit?


Electricity travel in closed circuits. Words ‘circuit" originates from the word ‘circle", therefore you can think of it preferred a close up door loop. The power needs to have a finish path native the power station where it"s generated, every the way to the wires in your home, and back again. If the circuit is open up (i.e. There"s a gap), the power can"t flow.

Circuits in action:

When you rotate on a irradiate switch, you close the circuit, therefore the electrical energy can circulation through the light and back into the wire.


When you rotate the switch off, you open the circuit. This way no electrical power can flow, for this reason the light won"t it is in on.

What around when a bulb burns out? as soon as you rotate a irradiate switch on, the power flows with a tiny cable in the bulb, which gets an extremely hot and also makes the gas in the pear glow. When the pear burns out, the tiny wire has broken - this means the route (circuit) is broken, so no electrical power can flow.

It"s the same with her TV - when you turn it on, you"re close up door the circuit, so power flows come the TV collection and reasons it to turn on v pictures and sound.


What execute You Mean?
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Power stations require fuel to create electricity.


Power stations room where electrical power is generated.

Transformers increase or decrease the voltage that an electrical current.

Transmission lines lug high-voltage electric current across the country.

A circuit is the course on which power flows - it need to be closed in stimulate for power to flow.


Cool facts

In just one second, electrical energy can travel about the civilization seven times!


Speedy Summary
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When you turn on a switch, the electrical power is totally free to flow approximately the circuit and also produce irradiate in the lightbulb.


Electricity operation in a close up door circle, called a circuit. To with our homes, electricity travels from power stations, v transmission lines and also distribution lines, until it flows into the wires that strength our devices.

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Teacher"s Toolkit

Take this to the classroom! Curriculum all set content.


Unit Plan

electric Energy, energy Transformations and also Sources
Year 6

Lesson Plans


Explain: Investigating electrical energy and also circuits
class 5 - 6

1300 914 120

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