The world is dependent on oil as its main source of energy. Although oil is plentiful now, the supply will eventually run out. Even worse, burning oil is very damaging to the environment.
Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.
A visit to a museum of natural history provides a little boy with an introduction to the habits, characteristics, and habitats of fourteen kinds of dinosaurs.
Presents information on earthquakes, in simple text with illustrations, and discusses how they happen, what their devastating effects can be, where the danger zones are, and what people can do to make themselves safe when they happen.