While it may not be as simple as pouring water into a gas tank, water, or at least the hydrogen that makes up water, will one day become a significant source of energy. In this important new book, children will discover not only what hydrogen is, but also how this simple element can create clean energy. Hydrogens past deals with hot air balloons and airships, its present, space shuttles and fuel cells. What fascinating technologies await its future? Other topics include what energy is, the reasons why clean energy is so important, the technologies that convert hydrogen to usable energy, the obstacles that must be overcome before hydrogen can be a reliable energy source, a case study highlighting Iceland's plan to switch to a society run on hydrogen, what a hydrogen economy is, and a timeline that provides dates for historical breakthroughs in energy production.
Dogs are believed to be the first animals to live with people as pets. What is a Dog? explains how these once-wild members of the animal kingdom still use their senses and instincts in daily living as well as in helping people. This book describes the dog family tree, a dog's body, dogs' super senses, the complex social order of dogs, and categories of dogs.
Children will be fascinated by the life cycle of these enormous polar animals. Stunning pictures and clear text guide readers through each stage of a polar bears life from cub to adult. Children will also learn how polar bears are being affected by global warming. Beautiful images and well-written text describe polar bear dens, how cubs grow and learn to live in the Arctic, and polar bear hunting techniques.
Slithering snakes, jumping kangaroos, flying albatrosses, and swimming salmon - every animal, including humans, has its own unique way of getting around. This beautiful book explains the how, why, and "are we there yet?" of animals large and small across the globe. Topics include how an animal's environment affects its movement, how an animal's skeleton affects its movement, unusual animal movers such as the water-walking basilisk, and how a parent helps its young move around.
Certain sea slugs have developed a remarkable defensive adaptationthey can use the stinging cells of the sea anemones they eat to protect themselves. Whether adapting over millions of years or in the blink of an eye, How Do Animals Adapt? examines the ever-changing world of animals. Children will thrill at discovering why animals need to adapt, animals that can see using sounds, how animals use camouflage and mimicry to protect themselves, and how wild animals have adapted to habitat loss and learned to live in cities.
Emission of harmful greenhouse gases such as carbon dioxide is posing a grave challenge to nature. The problem of global warming needs to be addressed as soon as possible. How to Reduce your Carbon Footprint clearly explains what an individuals carbon footprint is and what we all can do to make a difference. Special case studies show how these ideas are currently being put into practice around the world.
Hundreds of thousands of beetles live all over the world in habitats as diverse as swamps, rainforests, and deserts. The Life Cycle of a Beetle describes the growth and development of these fascinating insects from egg to adult. Full-color images of all kinds of beetles, from the familiar to the extraordinary, are included. Illustrations and photographs illuminate topics such as where beetles lay their eggs, the transformation from larva to pupa to beetle, differences between male and female beetles, how beetles defend themselves against predators, the dangers faced by beetles, and how children can help beetles.
Bears are some of the most loved animals on Earth. All over the world, however, bears are at risk. In Endangered Bears, kids will learn about the lives of these beautiful animals and why they are at risk of becoming extinct. Topics include a bear's life cycle, the many habitats in which bears live around the world, how bears communicate through body language and sounds, and threats from hunting, poaching, shrinking habitats and global warming.
Habitat loss, pesticide use, and the collecting of rare species are putting some of the world's most beautiful butterflies in danger. Without action now, it is possible that some species may actually become extinct. In this book, stunning full-color images of these magnificent insects will appeal to young readers and encourage them to take an interest in helping butterflies and their habitats. Children will be fascinated by butterfly bodies, habitats, and defenses, the amazing changes that occur during metamorphosis, and the ways that people are helping protect butterflies and the natural places where they live.
Kids will love reading about these clever and sociable primates! Through beautiful images and descriptive text, kids will learn about the lives of chimpanzees in their African habitats, including what they eat, how they use tools, why they are endangered, and what people all over the world are doing to help save them.
Over hunting of the wolf in Europe and North America almost led to the extinction of the species in the twentieth century. Today, the beauty and mystique of wolves has created a new wave of support for these animals. Beautiful photographs and informative text help children discover the life cycle of a wolf, wolf bodies, a pack's need for territory and prey, the dangers of habitat loss, and the preserves, national parks, and other places where wolves are protected.
The largest land-dwelling mammals on Earth, elephants are in danger of becoming extinct! Endangered Elephants details both the African and Asian habitats of these animals, the stages of the elephant life cycle, the social structure of elephant herds, and how habitat loss, war, and poaching have contributed to the endangerment of elephants. what people are doing to help save them from extinction
Frogs live both in water and on land and require not one, but two, safe and healthy habitats in which to live and find food. It's no wonder then that some frogs are in danger. This important book explains how sensitive frogs are to changes in their environments and why people need to protect them. Children will be fascinated to learn where frogs live and what they eat, how tadpoles turn into frogs, the dangers of habitat destruction, pollution, and climate change, and how people are helping frogs.
A monarch born in the fall has two major challenges! In addition to metamorphosis, these butterflies fly 4,000 miles on a two-way migration trek! The Life Cycle of a Butterfly explains butterfly metamorphosis and migration in simple terms. The text is beautifully illustrated with photographs and art, making this book a joy to read. Topics include where butterflies lay their eggs, the "eating machine" caterpillar, the transformation from pupa to chrysalis to butterfly, the monarch migration, and butterfly facts and activity suggestions about how to protect butterflies.
Following lion cubs from birth to maturity, The Life Cycle of a Lion details a cub's place in the pride by discussing the hunt, territory patrols, and pride dominance. Vivid photographs and beautiful illustrations accompany text. Topics include lions in Asia and Africa, the network of aunts, sisters, and cousins in a lion pride, a lioness's preparation for birth, a cub's involvement in the pride's work and play, and the lives of lone lions in search of a pride.
The Life Cycle of a Flower looks at the growth of a flower from seed to the time it is a mature plant capable of producing new seeds. Delightful illustrations, stunning photographs and easy-to-read text help young readers learn how seeds are formed and what different types of seeds look like, the various ways flowers are pollinated, the conditions necessary for a seed to germinate and begin to make a new plant, and how flowering plants benefit animals, people, and the environment.
Although there are over 9,000 species of birds in the world, each develops from a single-celled egg, is incubated, hatches, and grows to adulthood. Some bird life cycles involve migration. The Life Cycle of a Bird focuses on the various stages and explains the differences in the length of time birds incubate their eggs and care for their young, the development of a chicken embryo and how a chick hatches, the dangers to nesting habitats, and the effects of pollution and how these affect the life cycle of birds.
These busy insects have intrigued people of all ages for thousands of years. The Life Cycle of a Honeybee describes each stage of a honeybee's life cycle from egg to adult. Full-color photographs, beautiful illustrations, and easy-to-understand text highlight how a queen lays eggs and forms a new hive, how eggs develop into workers, drones, or queen bees, how the body of a larva changes to that of an adult through metamorphosis, the roles of workers, drones, and queens in the hive, and how honeybees find food.
Frogs begin their lives as tiny tadpoles living in water. As adults, they live both on land and in the water. The Life Cycle of a Frog details the changes in a frog at the four stages: egg, tadpole, froglet, and adult. Illustrations, photographs, and easy-to-read text explain the facts about how the frog breathes and eats at each stage, the differences in the metamorphosis of frogs in southern and northern climates, and the dangers to frogs from pollution, pesticides, and destruction of habitat.
Mosquitoes have lived on Earth for more than 30 million years! Close-up photos and detailed illustrations depict the amazing changes a mosquito goes through in four stages: egg, larva, pupa, and adult. Kids will enjoy reading about different species of mosquitoes and - most importantly - why they bite! Topics include mosquito bodies and senses, where mosquitoes lay their eggs, the differences between male and female mosquitoes, and the diseases mosquitoes transmit and how to avoid mosquito bites.
Structures are made up of parts arranged in a way that serve a certain purpose. This book looks at human-made structures, such as bridges, and natural structures, such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. The book also compares natural structures to human-made structures, such as natural bridges and human-made bridges, a ladybug and cars shaped like beetles, a bird and an airplane, and giraffes and construction cranes. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.
Arbor Day is held on the last Friday of April across the United States. Observers are encouraged to plant trees across the nation and remember the importance of forests and the environment. Young readers will learn about the importance of environmental awareness through this unique celebration that began in the 1800s.
Caring for Earth is everyones job! Readers will discover some of the different ways they can have a positive impact on the environment. From planting trees and eating locally grown foods, to pre-cycling and protecting animal habitats, children will learn to take personal responsibility for environmental stewardship. Readers will discover how they can be effective problem-solvers when it comes to protecting the planet.
In this innovative title, young readers learn what it means to be a citizen of the global community. From water wells in Africa to global disaster relief, children will learn about different needs around the world and discover their own abilities to make the world a better place.
Dramatic photographs of spewing and flowing lava will capture the attention of any child. In this fantastic book, children will be excited to learn what a volcano is and what makes it erupt. Simple explanations describe the different kinds of volcanoes, including cinder, cone-shaped, shield, and composite as well as the different kinds of lava and the land formations they create on land and under the ocean. Other topics include the reason volcanoes often erupt during earthquakes, why giant tsunami waves are sometimes created by underwater earthquakes, and how volcanoes are studied in order to predict and prepare for eruptions. Children will also enjoy making their own volcano out of household materials.