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Our education staff publish regular articles, tips and tutorials to help students with their homework
How to Multiply Fractions
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The first step to multiplying fractions is understanding the difference between the numerator and the denominator. The numerator is the top number of the fraction and the bottom number is the denominator. The next step is to multiply both numerators together to get the numerator of the product and multiply both denominators to get the…

Heats of Dissociation
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All molecules are held together by bonds. These bonds come in different lengths, strengths, and numbers, but they all share one thing in common: energy. All bonds store energy which can be utilized in chemical reactions. To break a bond, energy must be put into the molecule, or system, and when a bond is formed,…

Projectile Motion
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Overview Physics in general can be regarded as the study of how things work and operate in our day to day lives. It can help explain anything as simple as the mechanics and forces involved when you walk to even something as complicated as the origins of the universe. One of the most important and…

A Quick Start Guide to Bohr-Rutherford Diagrams
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Bohr-Rutherford diagrams are simple atomic models that show the number of electrons in each shell of an atom. While they are a major simplification of what really happening in an atom, they can be useful to help with visualizing electrons orbiting a nucleus. Drawing Bohr-Rutherford diagrams is super easy using the following steps:   Find…

Rockets: How Do They fly?
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Rockets. We can all picture one, blasting off from a launch tower amid a roar of smoke and fire, riding a tail of flames higher and higher until finally coming to a rest in the vast expanse of space. If you’ve ever been remotely close to one of these behemoths as they are taking off,…

The Layers of the Earth
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Overview Whether we’re at school or at work, the one thing we tend to take for granted is our home. Not our physical houses, but our Home – the Earth. So let’s take some time to learn more about our amazing Home and the many layers to it. The Earth has a radius of 6,378…

The Atomic Model: A Timeline History
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Atoms. What are they? If you are taking Chemistry then you should know that they are the basic building blocks of all matter. You may have also learnt that the atom is made up of sub-atomical particles known as protons, neutrons and electrons. But did you know that the model of an atom has changed…

Naming Organic Compounds
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Naming organic molecules can seem like a daunting task, because lets face it, there are more rules than most of us care to learn. That being said, the aim of the International Union of Pure and Applied Chemistry is a noble one: to provide a system for providing every stable combination of atoms with a…

Tips for Factoring Polynomials
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Polynomial Factoring:   As in many fields, the manner in which we approach a problem In mathematics can greatly affect how we go about solving it. By finding the factors of a polynomial, we can more easily identify roots, divide polynomials, and simplify rational expressions. These are just a few examples that you may see…

The 3 Types of Natural Selection
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Natural selection is defined as a process or a “force” that allows for organisms better adapted to their environment to better survive and produce more offspring. The theory of natural selection was first founded by Charles Darwin. The process of natural selection is important and is a driving force for evolution. For organisms to evolve,…

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