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.
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.
Metal ores are one of the Earth's most common minerals. Metals are useful in all types of industry because they last a long time, are conductors of electricity, and can be easily shaped. Since the first metal alloy was created more than 6,000 years ago during the Bronze Age, people have recognized the potential of extracting metallic elements from rock. Metals traces the history, uses, methods of extraction, and future of one of our most versatile resources. Topics include: early use of metals during the Bronze Age, the Iron Age, and the Copper Age which countries have the most deposits of metal ores, and how much metal different countries use extracting metals from ores by use of smelting, flotation, and leaching the equipment that geologists use to locate metal deposits in ore the lives of miners, including their working conditions, the equipment they use, and the dangers that they encounter working in open-pit and underground mines the role that recycling plays in saving our environment and how metals are recycled
Steamships, locomotives, and the airplanethese machines revolutionized the world. The Revolution in Industry takes a look at how these and other machines changed history. Young readers will be along for the ride on the Wright brothers first flight, and aboard some of the largest steamships to ever sail the world. Revolution in Power will infuse readers with a greater appreciation of the achievements all of us take for granted today.
Edison, Marconi, and Bell. Inventors and Inventions brings these scientists and others to life. Young readers take a front row seat as Thomas Edison invents the light bulb. They'll also listen in as Guglielmo Marconi tests his first wireless telegraph, and Alexander Graham Bell makes the first phone call. This colorful graphic history is sure to inspire young readers.
All types of creatures, including insects, mammals, and fish, are covered in this engaging book on the animal kingdom. Young readers will learn all the basics of kingdoms, orders, classes, and species.
Children see themselves as part of a non-living world of houses, schools and televisions. This intriguing new book explains what a living thing is so that children can make the connection between themselves and other living things, including plants, animals, and insects.
What are Forests? brings to life the wondrously complex and diverse ecosystems found in forests around the world. Intricate relationships and concepts are explained in a simple way with the help of beautiful color photographs. Children will be fascinated by the earth's many types of forests, the elements that make up a forest ecosystem, the wide range of plant and animal species that live in different forests, and the importance of forests to the rest of the Earth.
Biomes are the major communities of plants and animals in our world. Children will love learning about life in everything from the chilly arctic tundra biome to dry, grassy savannahs.