Bøger af Kathleen Weidner Zoehfeld

What makes a shell like a house?A house is a home for you, a nest is a home for a bird, and a cave is a home for a bear. But for some animals a shell is a home. Snails and turtles and crabs and clams all have shells that act as their homes and protect them from harm. In this book you'll learn all about these and other crustaceous creatures, for whom a shell is just the right sort of home.

How to tell the difference between living and nonliving things--an essential first skill in scientific sorting and classifying--is explored with hands-on activities and colorful diagrams.

"A nonfiction "biography" of the light bulb from the electric precursors like the arc lamp to Thomas Edison's invention and beyond to current innovations in light bulb technology"--

Read and find out about blizzards in this colorfully illustrated nonfiction picture book.All blizzards are snowstorms, but not all snowstorms are blizzards. What is the difference? How much snow falls during a blizzard? How fast are the winds? How cold does it get during a blizzard? Read and find out! What Makes a Blizzard comes chock-full of visual aids like charts, sidebars, and hands-on activities?including how to keep a winter weather journal and how to observe what a snowflake really looks like.This is a clear and appealing science book for early elementary age kids, both at home and in the classroom. It's a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. The 100+ titles in this leading nonfiction series are:hands-on and visualacclaimed and trustedgreat for classroomsTop 10 reasons to love LRFOs:Entertain and educate at the same timeHave appealing, child-centered topicsDevelopmentally appropriate for emerging readersFocused; answering questions instead of using survey approachEmploy engaging picture book quality illustrationsUse simple charts and graphics to improve visual literacy skillsFeature hands-on activities to engage young scientistsMeet national science education standardsWritten/illustrated by award-winning authors/illustrators & vetted by an expert in the fieldOver 130 titles in print, meeting a wide range of kids' scientific interestsBooks in this series support the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

"The perfect book for dinosaur lovers! Journey backwards to prehistoric Earth, starting in the present and zipping back hundreds of millions of years, stopping in frozen ice ages, lush prehistoric rainforests, and ancient oceans along the way"--Provided by publisher.

Millions of years ago, dinosaurs left their footprints all over the earth. With each discovery of a dinosaur footprint, ichnologists?scientists who study dinosaur tracks?learn more about these ancient creatures and the world they lived in. Read and find out how to step back into history through the footprint of a dinosaur.

Some dinosaurs were big. How big? As long as four school buses in a row, as heavy as sixteen elephants. Some dinosaurs were small. How small? Read and find out!

Are you like a cat?You don't look like a cat. But you and a cat have something in common: You are both alive. People and plants and animals are all alive, but is a doll alive? Or your tricycle? How can you tell? Read and find out what makes something alive, and what all living things need to stay healthy.

Did Dinosaurs Have Feathers? Birds have feathers, but did you know some dinosaurs did too? New fossils have shown that as long as 145 million years ago, some dinosaurs had feathers, just as birds do. The birds you see outside your window are relatives of these ancient creatures. Ages 5-9

Desde gemas brillantes a cristales deslumbrantes, este libro impresionantemente ilustrado les presenta a los ninos al mundo emocionante de las piedras y los minerales, incluyendo tanto las bases de su construccion como su brillo. !Este libro de nivel dos, escrito con texto facil de comprender, ayudara a cultivar a los geologos de manana!

The perfect book for dinosaur lovers-travel back hundreds of millions of years, stopping in frozen ice ages, lush prehistoric rainforests, and ancient oceans along the way.

National Geographic Primary Readers is a high-interest series of beginning reading books that have been developed in consultation with education experts. The books pair magnificent National Geographic photographs with lively text by skilled children's book authors across four reading levels.

Join three fantastic felines as they embark on the adventures of their (nine) lives in this colorful Chapters book, filled with photos and fun facts.

National Geographic Primary Readers is a high-interest series of beginning reading books that have been developed in consultation with education experts. The books pair magnificent National Geographic photographs with lively text by skilled children's book authors across four reading levels.

The first in a line of adventures within the National Geographic Kids Chapters series, Crocodile Encounters will surely prove to be one of the most exciting. Follow along with National Geographic explorer Brady Barr as he crawls into a muddy hole just barely big enough for his shoulders, and comes face to face with thirteen crocodiles!

Read and find out about the deepest part of the ocean in this colorfully illustrated nonfiction picture book.The ocean covers almost three-quarters of the Earth, but how deep does it go? Put on your scuba gear and explore the ocean, from its shallowest waters to its deepest, most mysterious parts. As you dive deeper, you'll discover glowing animals, strange creatures that don't need sunlight to survive, and even the largest hunter in the world.With beautiful illustrations and engaging text, How Deep Is the Ocean? will guide young readers into the deepest parts of the ocean. Featuring a find-out-more section with a water-pressure experiment, a lesson in making a sounding line to learn how scientists measure the depth of the ocean, a glossary of new terms, and web research prompts, this book will begin children's explorations of the deep sea. Both the text and the artwork were vetted for accuracy by Dr. David Gruber, real-life deep sea explorer and professor of biology and environmental science at Baruch College.This is a clear and appealing science book for early elementary age kids, both at home and in the classroom. It's a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. The 100+ titles in this leading nonfiction series are:hands-on and visualacclaimed and trustedgreat for classroomsTop 10 reasons to love LRFOs:Entertain and educate at the same timeHave appealing, child-centered topicsDevelopmentally appropriate for emerging readersFocused; answering questions instead of using survey approachEmploy engaging picture book quality illustrationsUse simple charts and graphics to improve visual literacy skillsFeature hands-on activities to engage young scientistsMeet national science education standardsWritten/illustrated by award-winning authors/illustrators & vetted by an expert in the fieldOver 130 titles in print, meeting a wide range of kids' scientific interestsBooks in this series support the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

Describes such animals as snails, turles and crabs, which live in shells and use these coverings as protection.

Can you make an ice cube disappear? Put it on a hot sidewalk. It melts into water and then vanishes! The ice cube changes from solid to liquid to gas. This Level 2 Let's-Read-and-Find-Out picture book is a fascinating exploration of the three states of matter.Now rebranded with a new cover look, this classic picture book features rich vocabulary and uses simple, fun diagrams to explain the difference between solids, liquids and gases. This book also includes a find out more section with experiments designed to encourage further exploration and introduce record keeping. Both text and artwork were vetted for accuracy by Dr. Leonard Fine, formerly of Columbia University, and Dr. Karin Block of the Department of Earth and Atmospheric Sciences at the City College of New York.This is a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts perfect for children in the primary grades and supports the Common Core Learning Standards and Next Generation Science Standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

Thoroughly describes plate tectonic theory and how the forces of nature shape our world.

When the pharoahs of Egypt died, they were mummified and buried in pyramids and tombs with all their riches. But as centuries passed, the tombs were looted and the pharoahs' gold stolen. Then Howard Carter found the greatest Egyptian treasure trove of all—the tomb of King Tut's mummy! But did the amazing treasure come with a deadly curse?