Animals build an incredible array of structures in which to sleep, raise young, or catch prey. Some structures involve excavating in subsoil or wood, others involve construction underwater, and some a
Sound, sight, and chemicals are all important as animals attempt to communicate warnings, information about food, to attract a mate, or sometimes just for pleasure. Whales communicate across hundreds
Finding prey and detecting predators are life-or-death matters for animals. They use some technologically advanced systems including the senses we're familiar with--and others that are far more sensit
Some animals, including frogs and dragonflies, change their body to live in different environments. Others, such as chameleons, change color to blend into the background to hide from predators, Still
Many types of animals use tools to find food, build a home, and defend themselves. Chimps use sticks to get grubs from small holes or honey from beehives. Sea otters crack open clams on rocks. Tailorb
Introduces the concepts of forces and motion, covering such topics as the different types of forces, how force and motion have been studied throughout history, the laws that govern them, and simple ma
Describes how to conduct both basic and advanced searches on the Internet, providing information on the history of internet searching, using boolean search terms, and evaluating the content of search
There are thousands of different plants on Earth. Readers get an up-close and colorful look at the diversity of plant life on our planet. Fun facts about a variety of plants are presented in an inform
The delicate and often confusing transition from childhood to adolescence is thoughtfully presented here through an accessible and friendly narrative with bright, demonstrative photographs. Readers wi
