Simple text and photographs depict children engaged in various activities that make up the scientific process.

Kids will be fascinated by the variety of fish that live in our world's oceans! Beginning with an introduction of the three major groups of fish, Animals Called Fish explains how fish breathe underwater using gills, how they use their different fins for swimming, and how they defend themselves against predators.

There are more than 5,600 species of amphibians on Earth, and about 4,990 of those species are frogs. Using clear text and full-color photographs, Frogs and other Amphibians teaches children about the bodies, senses, habitats, and behaviors of frogs, salamanders, and caecilians.

Rodents have teeth called incisors that never stop growing! They must grind their teeth or gnaw on things to keep the teeth from growing too long. Kids will be eager to "sink their teeth" into the intriguing facts in Guinea Pigs and other Rodents. This book explores many of their favorite kinds of rodents, including rats, mice, guinea pigs, beavers, and squirrels. Engaging text and vivid images help children understand • how rodents build different...

Earth is made of different things-gases, rocks, soil, and water. Most of Earth is made of rock. Rocks are made of many different things and can be many different shapes, sizes, and colors. From statues to houses to roads, Rocks illustrates the many ways that rocks can be used.

Beetles, toads, squirrels, owls, deer, and black bears are some of the many animals that make up a forest food web. But did you know that leaves, berries, mushrooms, and tiny bacteria are also important? Or that humans can affect the health of a forest? See forest food webs in action in this fascinating book.

Frogs, minnows, snails, ducks, catfish, and muskrats are a few of the animals that make up a lake and pond food web. But do you know why mosquitoes, mold, water lilies, and bacteria are important too? Or how humans can change the health of a lake or a pond? See lake and pond food webs in action in this fascinating book.

"Can you hold it in your hand? Can you build with it? If so, it might be a solid. Things that are solid have a definite shape and size. Almost everything on Earth is one of three kinds of matter-- a liquid, a solid, or a gas" -- p. [4] of cover.

Moose, lemmings, owls, wolves, bumblebees, and grizzly bears are some of the many animals that make up a tundra food web. But did you know that worms, beetles, mushrooms, and bacteria break down dead plants and animals into nutrients? Or that tundra animals depend on berries, seeds, and other plants to stay alive? See tundra food webs in action in this fascinating book.

"Before 1914, traveling from the East Coast to the West Coast meant going by land across the entire United States. To go by sea involved a long journey around South America and north along the Pacific Coast. But then, in a dangerous and amazing feat of engineering, a 48-mile-long channel was dug through Panama, creating the worlds most famous shortcut: the Panama Canal!"--Amazon.com.