Learn how John Dalton developed his influential theory that explains the shape, structure, and behavior of atoms. This title also explores how Dalton's major breakthrough made later discoveries, such as atomic fission, possible.
This informative book follows the St. Lawrence River, once a main route of the fur and timber trades. This important commercial waterway forms part of the boundary between Canada and the United States and connects the Great Lakes with the Atlantic Ocean. Today, a system of canals, dams, and locks lets seagoing ships travel all the way to Lake Superior.
The Nile is the worlds longest river and the birthplace of one of the greatest civilizations of the ancient world. This book takes readers along the River in the Sand. Ancient Egyptians depended on the Niles annual floods to deposit fertile soil for farming. Today, more than 70 million people still grow crops in the rivers basin and fish in its waters.
This wonderful book takes readers along the mighty Mississippi. Often celebrated in music and literature, its exploration by explorers spurred the growth of a new nation. Today, the Mississippi not only provides transportation for agricultural and industrial goods but also supplies water for millions of people.
Plants are living things that grow and change. Over time, plants have made remarkable adaptations to suit the habitats in which they live. Simple text and beautiful images highlight how plants have adapted to life in the Arctic, in aquatic environments, and in other habitats such as those in deserts and grasslands.
Changing Seasons clearly explains the fascinating changes that take place in nature every year. This vibrant book takes an in-depth look at why there are four seasons, the patterns that appear in each season, and how these changes affect both plants and animals.
Grains, vegetables and fruits, meat, eggs, and dairy foods-where do these different food groups come from? Children will discover such things as how grains are grown in fields, which vegetables are really fruits, where certain fruits grow, and the importance of pollination. A special section gives children suggestions for eating healthy foods.
Which season is it when it snows; when flowers grow; when leaves fall; when it is very hot? This simple book features childrens descriptions of the weather and activities that make each season fun for them.
In this simple science book, children will learn about the different states of water-liquid, vapor, and solid, and what happens when water changes from one state to another. An illustration of the water cycle helps explain how water evaporates, moves to the sky, and falls back down as rain or snow.
This introductory book shows children where the five oceans are on a simple map and on photos of planet Earth. Children are asked to find the icy oceans at the top and bottom of Earth and the warm oceans around the middle. Amazing photos of a huge moray eel, sea turtle, shark, octopus, and whales will delight young readers.
Amazing illustrations of dinosaurs help give children the basic facts of these giant reptiles - body parts, how they moved, and what they ate. An entertaining game asks children to pair up modern animals with dinosaurs that share the same body characteristics.
Beavers, chipmunks, porcupines, mice, and other rodents sing rap songs about themselves in this clever and highly entertaining book! Simple rhyme and humorous photographs help teach readers about the unique characteristics of animals in the rodent family.
Roberta Scott has a very exciting job. She is a paramedic, responding to emergencies and helping people when they get hurt. Follow along as Roberta and her partner run to the ambulance and do their job when someone calls 911.
Smile! Meet David Meisels, the dentist! Peek behind the curtain of a busy dental office. David shows us how to clean our teeth and which tools he uses to keep them healthy and white. He will also introduce us to his daughters, Shiraz and Brit, and his wife, Hila.
Children will love reading about Neil Noseworthy, chef, in this new title from Crabtree. Being a chef is a great profession for someone who loves food and cooking. Not only does Neil get to make delicious dishes, he also meets many fascinating people. What a yummy way to make a living!
Meet Steven Stewert and his team as they are in the process of building a second story on a house. Engaging text and colorful photos will introduce children to the tools Steven uses and how each one works. Steven also invites young readers into his home to meet his wife and two children.
Children will learn about patterns that are predictable events such as day and night, seasons, and weather. They will also be delighted to discover that bees dance and birds migrate using certain patterns.
This introductory book uses brilliant, close up images of plants, animals, and people to help children compare the relative sizes and weights of natural objects.to describe these properties.
Patterns are made up of shapes such as spots, stripes, circles, and triangles. This new book explains how patterns in nature help camouflage animals or scare predators away!
How does the bark of a tree feel? How is it different from a snake's skin? This engaging new book features close-up photos of different textures found in nature.
This entertaining new book shows examples in nature that correspond with each color in the rainbow. Children will also learn how to combine certain colors to make new colors.
In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
Young readers will be fascinated to learn about how mountains are created and change. Through breathtaking photographs, they will wonder at Earths majestic mountains and meet some of the people and animals that live in the often-harsh environment so high above the ground.
Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers.
Minerals are chemicals that are the building blocks of rocks. Metals, crystals, and gemstones are all minerals found in rocks. This interesting book describes how to identify minerals, where they can be found, the rock cycle process, the uses of minerals, and how they are mined.
