Often, many people don't know that a single number not only descibes a quantity, but also the amount of precision which it is associated with. the number 200 is less precise than the number 200.0 You might be asking yourself why the same two numbers...

In this lesson we will discuss the seven basic units of the metric system. These units can be combined with each other to define any quantity mankind knows of so far so as velocity which is meters per second or force which is kilogram meters per...

In our previous chapter, we discussed the seven basic units which are the building blocks of all the units imaginable. They decribe quantities which can not be broken down any further such as length or time.In this chapter, we will cover compound...

Since we have been covering a lot of physics and math, why don't we try a few lessons in Chemistry. Before we can delve very far into the study, a basic knowledge of atoms and their components is required. So today, we will learn about how atoms are...

In this lesson, we will discuss the equations which are used to describe chemical reactions. These are a vital part of the study of chemistry because the equations illustrate how substances react and what the reaction produces. Don't worry thought,...