Earth is a big round thing that we all live on. It is like one big ball and it is really really big. Earth has lots of different kinds of things living on it like animals and plants and people. It also has lots of different kinds of things like water, land, and air, and it even has clouds and stars. Earth is really cool because we can go outside and explore it. We can also learn new things about Earth and see the different places it has to offer.