Nuclear energy is the most powerful form of energy in the universe. There are two ways of producing it and both ways r…

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. Ma…

Why is electricity the most convenient form of energy to use? It is clean. It can travel over long distances along …

How old is a lump of coal? This sounds like a trick question, but it isn’t. Coal is millions of years old. Anthracite…

Sunlight is so strong that it can damage your eyesight and even blind you. Never look directly at the sun through a t…

Have you ever taken a spoon out of a mug of hot cocoa or tea or some other hot drink? Did you find that the spoon was t…

Do you know that you are working when you are playing? To a scientist, work is any kind of action that uses energy. …

Every form of energy can change into another form of energy. Coal is a fuel that contains stored chemical energy. When…

What is Electromagnetic Energy? What do you think the air contains? It contains millions of tiny, fast-moving parti…

Have you ever heard a jet airplane when it is getting ready to take off? The noise that the plane makes is sometimes s…

“On your marks! Get set! Go! ” These are the orders the starter shouts when you take part in a running race. When y…

We use energy all the time, even when we are asleep. We need energy for our body to work. We need energy to keep us w…

In the center of every atom is the nucleus.   This is made of tiny particles called protons and neutrons . Protons hav…

Have you ever been to a display of chemical energy? You probably have, but you called it something else. At a display …

How do you keep cool in your house? What sort of light do you use at night? What appliances do you have in your…

The world is full of movement. Trees move in the wind. Aircraft fly in the air. Ships sail on the sea. People and a…

The thought of flying like a bird is among the oldest of human dreams.  One of the most famous legends of the ancient G…

Imagine if you find yourself into an empty space at the height of 4-5 miles above the Earth, and yet you have landed on…

People for long time have dreamed of a flying machine that could rise from the ground right up. Leonardo Da Vinci arou…