A transformer can make an electric current smaller or larger. As an electric current flows along the wires from a power station, it loses energy...
You can make a bulb light up by using two wires to join it to a battery. The bulb lights up because an electric current is flowing through it. The battery…
Do you know how water gets to the faucets on your kitchen sink? It comes through pipes. Pipes let water flow in the direction we want it to go. How…
How does a light bulb work - for kids?Have you ever looked closely at an ordinary electric light bulb? Hold it carefully while you do so. Inside, you may see…
Most electrical appliances have wires attached to them.The wires carry an electric current around a complete pathway called an electric circuit.Some appliances need more electric current than others before they…
The wind has been a source of energy for thousands of years. Before the development of the steam engine, most ships relied on wind power to fill their sails and…
More energy reaches earth from the sun than could be converted by millions of power stations. The sun’s energy costs nothing, but how can we use it?We can use the…
Did you know that a power station can produce electricity without burning coal or oil, and without using nuclear fuel? How? A power station can turn the potential energy of…
When you’re traveling by train or riding along in a bus or car, you can easily spot a power station if you pass one. Many power stations have very tall…
Why is electricity the most convenient form of energy to use? It is clean. It can travel over long distances along wires. It can easily be changed into other forms…