Chemical Reactions

Materials often change and take a new form. These changes can be caused by different reasons. However, the key is knowing when these changes are…

How Our Muscles Work

Muscles in the human body are responsible for generating a specific type of movement. Depending on the type of muscle and its location, that movement…

Our Circulatory System

All living things need essential molecules, known as nutrients, to keep their cells functioning. Whether it is for energy, growth and repair, or simply keeping…

Exercise and the Human Body

All living cells in the human body carry out processes needed to keep the cell functioning as it should, as well as support other cells…

Gestation and Pregnancy

As mammals, humans give birth to live young. This means that development of their offspring happens inside the womb before they are born. The period…

The Human Kidneys and Urinary System

Conditions in the human body change throughout the day, every day. The body must deal with changes in temperature, blood glucose levels, blood pH, blood…

The Human Body

As human beings, there are many jobs our body needs to carry out to stay alive. Our bodies are busy digesting food, releasing energy, breathing,…

The Periodic Table

Exploring materials and their properties, and understanding how they behave physically and chemically, has played a key role in knowing how to use them. Some…

Insulating Our Homes

When the weather is cold, we use energy to heat the rooms inside our house to be warmer than the outside air. It is natural…

Forces – Pushing and Pulling

A force is a push or a pull that interacts with an object and can alter its action. The Laws of Motion specifically outline: The…