Scuba diving is a unique water sport. People will wear equipment, including an oxygen tank and a breathing tube called a regulator, and they will dive underwater in oceans, lakes, rivers, etc. Scuba diving is not a highly competitive sport. The point of scuba diving is more exploration and for the purpose of seeing nature. Scuba diving is used to recover items that have fallen into bodies of water, to photograph and take video of sea life, to explore caves and underwater mysteries, and more. Scuba diving is not easy but it can be one of the most satisfying activities to pick up.
Scuba diving itself can be pretty easy. Learning to dive is a little more complicated and there are a few things to remember when diving safely. If you dive with a divemaster though it ends up being pretty easy.
Scuba diving can have many purposes. The most popular purpose of scuba diving is to observe nature. Other purposes include rescue diving, technical diving and scientific diving.
You need quite a few things to dive. First you need a license. The most popular licensing company is PADI but there are other options. In terms of equipment you need quite a bit but the basics are a mask, a regulator, an oxygen tank and a BCD.