Provides information about food chains and food webs using a question and answer format, discussing such topics as the roles and functions of herbivores, predators, and scavengers.
Uses a question-and-answer format to provide information about fossils, discussing such topics as where they are found, the tools used for excavating them, different kinds, and how their age can be determined.
Air, water, and soil pollution are major dangers, both for humans and for the other species with which we share this planet. Young readers will learn how pollution happens, what problems it causes, and how to stop it.
Describes the eight phases of the moon, from new moon to waning crescent; the moon's size; the length of its days; its rotation, gravity, surface, and temperature; and eclipses.
Animal species are disappearing at an alarming rate. This informative book introduces kids to some of the animals in danger and examines what can be done to preserve EarthÂ’s ecological diversity.