This Acorn science series looks at what living things - i.e., animals, humans and plants - need to stay alive. Each title looks at one of the basic elements of life (air, food, homes, light, and water) and considers what it is, which things need it, why, and how they use it.
This Acorn science series looks at what living things - i.e., animals, humans and plants - need to stay alive. Each title looks at one of the basic elements of life (air, food, homes, light, and water) and considers what it is, which things need it, why, and how they use it.