Presents an introduction to the concepts of sinking and floating, in simple text with illustrations, explaining how density and shape impact whether an object will sink or float.
Introduces the idea that animals can be classified into groups according to the characteristics they have in common, and shows the ways that different types of mammals, birds, reptiles, amphibians, fish, and invertebrates are alike.
Simple text and photographs introduce the concepts of seeds, bees, and pollen and how they contribute to the reproduction of different types of plants.