This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.
This exciting book examines how Sir Isaac Newton developed three basic laws that govern the way in which objects move. Readers will learn how Newton expanded on the work of other great scientists, including Galileo and Copernicus, to make his important discovery. The book also explains how Newtons laws have influenced modern science and technology in areas such as sports and transportation.
The Tigris and Euphrates rivers surround a region once known as Mesopotamia, the "cradle" of ancient civilizations that included Sumer, Babylonia, and Assyria. This fascinating book follows both rivers from where they begin in Turkey, travel down through northern Syria and Iraq, and join to form the Shatt al Arab before emptying into the Persian Gulf.
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.
The mighty Yangtze River, the third-longest river in the world, is the birthplace of Chinese civilization. This intriguing book takes readers along this ancient transportation route, strategic natural boundary, and lifeblood of an agricultural society. The near completion of the Three Gorges Dam has displaced more than a million people and changed the river's ecosystem dramatically.
This engaging book highlights the Rhine River, a major transportation route in Western Europe. Fairytale castles and picturesque vineyards provide scenic stretches between Basel, Strasbourg, Cologne, and Rotterdam. Cooperation by Switzerland, France, Germany, and the Netherlands has helped restore the rivers health.
This amazing book reveals the facts about the Ganges, a river sacred to Hindus. Flowing through one of the most densely populated areas in the world, its banks are also the site of shrines, temples, and holy cities, including Varanasi, one of the oldest continuously inhabited cities in the world.
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.
This title provides curious young readers with a close-up look at plant stems. Readers will discover why plants need stems, the different kinds of stems, and how new plants can grow from the stems of mature plants.
Second in length only to the Nile, the Amazon River carries a greater volume of water than any other river in the world. This attractive book features the fascinating facts about this far-reaching river and the animals, plant life, and indigenous cultures that live in the surrounding rain forest.
Different kinds of plants form different amounts of seeds. Some plants form only a few seeds while others form many seeds. Accessible text and vivid photographs introduce readers to seeds describing how they spread and their different uses.
This essential overview title introduces readers to the wonders of the plant world! Vibrant images and clear, simple text teach readers what plants need to survive, the basic parts of a plant, and the stages in a plant's life cycle.
Photosynthesis is the basis for all life on Earth! This exciting and sensitive book looks at how plants take a gas that is poisonous to people and animals and, with the help of the Sun, create food and oxygen for all creatures. Children will delight at learning about the little "chloroplast" factories inside the leaves of plants and become aware of how important plants really are! Children of all ages will love this book!
This important book shows our connection to the natural world and to one another. It asks children to put aside their differences and to work together for the common good. What are our common goals? How can we work toward peace, safety, tolerance, and integrity in our lives? How can we live together with respect, kindness, and friendship?
Children will delight to learn about how the bodies of different animals, including frogs, butterflies, and beetles, change as these animals go through their life cycles. Metamorphosis: Changing Bodies explains metamorphosis in a step-by-step format that is accompanied by beautiful pictures. Both complete and incomplete metamorphosis are defined and explained.
All life on Earth depends on the water cycle! This fascinating book this introduces children to this important cycle using a clear, step-by step approach. Kids will learn how evaporation, condensation, precipitation, and run-off work together to move water from the ground to the air and then back down again. Full-color diagrams and beautiful images help make the water cycle come alive for kids.
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.
Children will be fascinated by the many different ways in which animals grow and change from the time they are embryos to the time they are adults. Detailed diagrams and colorful photographs help explain in a simple way the life cycles of mammals, birds, snakes, lizards, fish, frogs, insects, spiders, and worms.
This beautiful book explains the how and why of camouflage. It looks at camouflage as colors, patterns, and textures that some animals have on their bodies to protect them from predators. It also shows how other animals use camouflage to hide as they hunt for prey. Camouflage is a difficult concept, but this book presents it in a way that is accessible to even the youngest readers.
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.
This delightful book teaches readers about the world of baby animals by identifying animals that share the same names. Adorable photos feature pups (baby dogs and foxes), cubs (baby wolves and bears), and kids (baby goats and human children).
This entertaining book teaches young readers about the different body parts they use to move and play. Body parts are labeled on the photos showing how elbows, knees, ankles, and fingers bend.
This clear, simple book introduces children to the concept that living things need energy, and energy comes from food. Starting with an introduction to photosynthesis, children will follow along the food chain as the energy flows to herbivores and carnivores. A diagram, using photos of plants, a rabbit, and a fox, demonstrates a food chain. A detailed illustration of a forest food web follows.
Children will love the entertaining photos in this book, which feature animals in motion-walking, climbing, swinging, and pouncing. They will also be amazed by the way animals without legs move-sliding on mucus, slithering, and swimming. An activity asks children to write down all the ways they move in one day.
