There are many things in this world that we can see with our eyes, but there are even more that we can’t. This book will introduce you to cells: the tiny building blocks of all life on Earth. It will also show you chemical reactions, how plants use the Sun to breathe and grow, and how the human body works. You’ll also learn about mining and minerals, as well as many other interesting things about the natural world. You might even find that this new knowledge attracts you to a career involving natural sciences. It’s your life, and your choice. Make it the best it can be.