Did you know that some cars are run on fuel made from the oils from sunflowers and soybeans? Biomass: Fueling Change is an exciting new book that explores bioenergy - energy derived from organic matter - to produce heat, run cars, and generate electricity. Worldwide case studies and colorful photographs and illustrations will help children learn about the history of bioenergy and how the world is using this energy today. Topics include the history of bioenergy, the various types of biomass available for energy use, the benefits of biofuels, burning biomass, the processes used to convert biomass to gas, and using bioenergy today and its limitations.
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.
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.
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.
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.
The cat, with its grace, strength, and prowess, has been a source of intrigue and companionship for humans throughout time. In this comprehensive study, kids will learn about the bodies, habits, and lifestyles of large and small cats. Full-color illustrations and stunning wildlife photography accompany detailed text that covers the maternal relationship between cats and kittens, the unique features of a cat's body that allow for agility and speed, the similarities and differences between large and small cats, and endangered and vanishing cats.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
The way we communicate with others is continuously changing as technology evolves. From telephone operators to Skype, this book examines how and why communication has progressed since the early 19th century. Critical thinking is encouraged through spread-by-spread comparisons of mail to email and everything in between.
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.
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. 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.
This magnificent book uses beautiful photography to help young children understand that oceans are a type of habitat or place in nature where plants and animals live. Simple text explains why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Other topics such as photosynthesis, tide pools, and coral reefs are briefly and simply explained. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.
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 by Bobbie Kalman. Topics include the paths of rivers, how rivers carve through rocks, types of rivers, waterfalls, headwaters, tributaries, estuaries, deltas, fiords, river plants and animals, people and rivers, and famous rivers.