Inside the Atom
An atom is the tiniest building block of everything around us! It is so small that we can't see it with our eyes, but it plays a huge role in making up all the matter in the universe. At the very center of an atom is a part called the nucleus. This nucleus is like a tiny core that holds two types of particles: protons and neutrons. Protons are special because they have a positive charge, while neutrons are neutral, meaning they have no charge at all. Surrounding the nucleus are even smaller particles called electrons. Electrons have a negative charge and they zoom around the nucleus in areas known as energy levels or shells. The number of protons in the nucleus is what makes each element unique. For instance, hydrogen, which is the simplest element, has just one proton. Carbon, which is important for life, has six protons, and oxygen, which we breathe, has eight protons. Learning about atoms is super important because they are the basic units that create everything we see and touch in our world!