Bøger udgivet af Crabtree Publishing Co,US

Rivers and lakes are rich habitats filled with all the elements their inhabitants need for survival. Peel back a corner of these amazing ecosystems to discover the incredible organisms that function within them and around them, from microorganisms and plants to fish and the mammals that feed on them.

A mountain is a towering, sky-scraping world that reaches high above Earths surface. Peel back the corners of a mountain to discover the incredible organisms that live in this ecosystem, from wolves and birds to frogs and goats.

"Step into the forest--a vast, green landscape of trees and plants, home to countless animals. Peel back the corners of the forest to discover the incredible organisms that live in this ecosystem, from insects and birds to deer and bears. Learn how each organism functions within its forest ecosystem and how it survives in one of the most diverse biomes on Earth. Find out, too, where forests are found all around the world and what you can do to help protect one of Earth's most precious resources"--

Animals adapt, or change, to stay alive. This informative book shows how change can happen over time in an animal's body or in the way it behaves due to changing climates, habitat changes, and opportunistic behaviors that help animals survive, such as the creation of new species.

This entertaining book shows how animals communicate to share information, attract mates, or scare away enemies. They sing, growl, howl, spray smelly scents, and make their body parts bigger. Have fun comparing the ways you communicate with the ways animals do.

This book explains that some animals must learn the basics of staying alive from their mothers, while others know how to survive without being taught. Students will discover how some bird and mammal mothers teach their babies how to find food and keep safe from predators.

We use adjectives to describe and compare the things in our world. In this spellbinding book, the Word Wizard reveals the secrets of the magical world of adjectives, including synonyms, antonyms, and comparisons. Readers will discover the nuances of language as they look closely at adjectives that vary in intensity and those with closely related meanings. Writing prompts guide readers as they use adjectives to add detail and clarity.

A seemingly barren, harsh, and cold wilderness, the often icy tundra appears to support little life. However, peel back the corners of this fascinating biome and you will be amazed by the living organisms that thrive within one of Earths toughest environments. Discover the living things that function within the tundra, from polar bears and caribou to seabirds and foxes. Explore tundras all over the world and find out what you can do to help protect the riches of these mysterious places.

Huge, far-reaching landscapes of swaying grass or shrubs, grasslands support a whole host of organisms and are one of the most important biomes for people, too. Peel back the corners of the grassland to find out how many different organisms rely upon this ecosystem for survival, from elephants and gazelles to prairie dogs and horses. Discover how each organism functions within its grassland ecosystem, and learn about the daily fight for survival that takes place in these huge hunting grounds. Explore grasslands all over the world and find out what you can do to help protect these rich and varied landscapes.

This engaging title introduces readers to materials that are either hard or soft. Using familiar examples, readers learn what makes hard and soft objects different and why they are suited for different purposes. Easy-to-understand text and colorful photos invite young readers to identify and classify hard and soft things around them.

Young readers will learn the properties of matter and understand that some items can absorb liquids and others repel liquids.

Vibrant photographs and accessible text introduce young scientists to the concept of density. Readers are encouraged to explore what makes some objects float and others sink.

Alone in the rainforest, Joe is suddenly caught in a tropical storm. He uses his science skills to observe the habitat around him to build shelter, find food, and search for help.

"Adrift in heavy seas after a hurricane, Joe finds his boat pulled by strong currents and winds. He follows a flock of birds and discovers other sea creatures moving in the same direction toward some rocks. Can Joe's science skills help him to survive?"--

After a freak wave maroons Joe on a deserted island, he investigates the food chain of the island's ecosystem. He learns to gather food and build shelter, copying other living things and using whatever materials he can find on the island.

Will Joe be able to survive in the hot, scorching desert? In this exciting survival story, readers journey along with Joe as he searches for water and runs into a desert tribe.

"Splitting Apart explores the benefits and uses of the wedge. RobbO and RobbEE need to build a wedge-shaped machine to move the snow piled outside their workshop. They find lots of other uses for a wedge, too."--

Explores the benefits and uses of the pulley.

"Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work--lift and lower, separate, and open."--

In this entertaining title, readers will learn about Mother Goose, rhyme schemes, and metered verse. They will look for the logic in nonsense words and be guided through the process of writing their own nursery rhymes.

In 1922, archaeologist Howard Carter discovered King Tutankhamens tomb. In addition to unearthing astonishing artifacts, Carters discovery revealed fascinating details about King Tuts life and provided insight into ancient Egyptian culture. Engaging, approachable text and vivid images take readers inside the pharaohs tomb as they discover ancient treasures and learn how such artifacts shed light on King Tuts reign, his familys dynasty, the mystery surrounding his death, and the theories of King Tuts curse

This title chronicles the U.S. bombing of these Japanese cities during World War II. Topics include the development of the atomic bomb, Nixons decision to drop the bombs, and the long-term consequences of this historical event. Primary source accounts present reactions from both sides.

Many plants produce flowers. In fact, flowering plants are the largest and most widespread group of plants. In this informative title, readers will learn about the different parts and functions of flowers. Full-color photographs and clearly written text help readers knowledge blossom!

Introduces "the timeline of key discoveries in human fossils, and [explores] how scientists continue to link together the evolution of humanity using evidence from the past"--Amazon.com.

Perfect for the budding paleontologist, this book brings to life animals that lived long ago. With clear text and engaging questions, a full range of fossils from microscopic insects to gigantic prehistoric mammals is examined. Students are encouraged to discuss the idea of living fossils and examine how fossilized animals have adapted into life forms still present today.

"As the Soviet Union attempted to expand the influence of communism around the world, the United States responded with a policy called 'containment' to prevent it. The war in Vietnam was a Cold War conflict that saw North Vietnam, supported by its communist allies, invade South Vietnam, supported by the United States and other anti-communist countries"--

In graphic novel format, introduces the Cuban Missile Crisis of 1962.

This interesting title provides an overview of Schizophrenia and other psychotic disorders that are rare in children and young adults, including Schizoaffective Disorder, Delusional Disorder, and Brief Psychotic Disorder. Symptoms, causes, and treatment options are discussed. A chapter on caring for others discusses children dealing with parents who have been diagnosed with schizophrenia and other psychotic disorders.

"Autism Spectrum Disorder is a term used to describe a group of developmental disorders that include autism, Asperger Syndrome, Pervasive Developmental Disorders, and others. Many people with these disorders struggle with social interaction and communication. This informative book provides insight into how people diagnosed with an autism spectrum disorder experience the world around them and promotes understanding and acceptance. A chapter for friends and family discusses how to handle autism spectrum disorder and its effects on siblings and relatives."--

R&B artist Beyonce Knowles has always loved to sing and dance. Entering competitions as a young child, she burst into stardom as a member of Destiny's Child. This book takes a close-up look at Beyonce's life and career including her mega success as a solo artist.