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In a Flash

Energy Explained

Energy is literally everywhere! It's all around us and even inside of us. Our whole universe is made from energy.

There are many different types of energy – from light and heat energy, to gravity, chemical energy and electrical energy. We all use a combination of different types of energy every day.

Energy does all sorts of things for us. It moves our cars, cooks our food, plays our favourite songs and provides light and heat for our homes. Energy also helps our bodies grow and our minds think.

So energy is a changing, doing, moving, working thing!

Forms of Energy

Energy can be divided into two main forms: Kinetic Energy and Potential Energy.

Types of Energy

Electric Circle

What Do You Mean?

Energy can be transferred from one object to another.

Energy comes in many different forms, which can generally be divided into two main types: potential energy and kinetic energy.

Each type of energy can be converted into any other type of energy.

Energy is never created and never destroyed – this is called the First Law of Thermodynamics.

Energy Efficiency

Energy efficiency is the amount of useful energy you can get out of a system.

If there was a machine that was 100% energy-efficient, this means it would change all of the energy you put into it into useful energy (energy we use for a purpose).

However, when we convert one form of energy into another form of energy, it always involves a loss of usable energy, usually in the form of heat (thermal) energy.

Get the lowdown on Energy Efficiency.