Simple text and illustrations explain to young readers where light comes from, what it is, how it is all around us, how we measure it, and how we can create it artificially.
Presents an introduction to fish, discussing how they breathe, what their scales are for, how they swim and sleep, and how to set up your own aquarium.
Contains information on the life cycle of the butterfly, as children in a classroom watch a caterpillar grow, disappear inside a shell it makes--a chrysalis--and comes out as a beautiful butterfly. Includes names of different kinds of butterflies.
Outlines the properties that allow an object to be classified as "alive." Details the differences between alive and nonliving and discusses what living things need to stay healthy.