They're reptiles, they have an awful lot of teeth, and they're pretty scary -- at least, the big ones are! They're not very fussy about what they eat, and when it comes to hunting down dinner, crocodiles are very determined . . . and very cunning. But there's more to crocodiles than just their appetites. They love to nap on warm sandbanks and cool off in calm waters, and crocodile mothers are very gentle with their babies. This fascinating look at one of Earth's most infamous creatures is full of information for amateur scientists, with back matter that includes an index, notes on species, and suggestions for further reading.

    His planet status was stripped away, leaving him lost and confused. Poor Pluto! On his quest to find a place where he belongs, he talks to comets, asteroids, and meteoroids. He doesn't fit it anywhere! But when Pluto is about to give up, he runs into a dwarf planet and finally finds his place in the solar system. This feel-good picture book combines a popular science topic with character education themes of self discovery, acceptance, and friendship. It has bonus material in the back matter to support curriculum.

    So much so that he decided to catch one of his very own. But how? Waiting for them to grow tired from being up in the sky all night doesn't work. Climbing to the top of the tallest tree? No, not tall enough. The boy has a rocket ship . . . but it is made of paper and doesn't fly well at all. Finally, just when the boy is ready to give up, he learns that sometimes things aren't where, or what, we expect them to be. First-time author/illustrator Oliver Jeffers offers a simple, childlike tale of reaching for the stars, and emerging with a friend.

    Tadpoles are likely tiny fish that breathe underwater through gills. As the tadpole gets older, it loses its fishy tail and its gills and grows legs and develops lungs. The tadpole has become a frog. From Tadpole to Frog is a lovely first look at this amazing metamorphosis.

    What if you sailed on the Mayflower?A different time...a different place...What if you were there?If you sailed on the Mayflower--What could you take with you?--How would you keep clean?--What would you do when you first got to shore?Get ready to go back in time to 1620 to discover what it was like to sail the Mayflower!

    High school science teacher Tom Robinson shows you how to expand your scientific horizons-from biology to chemistry to physics to outer space. You'll discover answers to questions like: Is it possible to blow up a balloon without actually blowing into it? What is inside coins? Can a magnet ever be "turned off"? Do toilets always flush in the same direction? Can a swimming pool be cleaned with just the breath of one person? You won't want to wait for a rainy day or your school's science fair to test these cool experiments for yourself! Tom Robinson teaches high school science and math and has coauthored an online advance placement physics course.

    When Planet Earth Was New looks back to the very beginning, using a poetic approach grounded in scientific fact to give an overview of how the planet has changed over time: from hot lava to the formation of oceans to the evolution of living things in water and on land. The book also includes the relatively recent evolution of humans — who are just a tiny speck in the sweep of Earth’s history.This broad look at the Earth is designed to inspire awe and inquiry. With STEM connections to biology, geology, evolution, and more, it is a springboard for discovery, discussion, and research. A striking design with full-spread, digitally enhanced watercolor art gives the book a rich, atmospheric feel. Back matter includes informational notes about each spread, as well as sources, an author’s note, and a glossary.

    Only one problem—at night, Chris doesn't feel so brave. He's afraid of the dark.But when he watches the groundbreaking moon landing on TV, he realizes that space is the darkest dark there is—and the dark is beautiful and exciting, especially when you have big dreams to keep you company.

    But it's not just a guide to giggling at sleepovers--although that's included, of course! Whether readers consider themselves tomboys, girly-girls, or a little bit of both, this book is every girl's invitation to adventure.

    You will meet the key delegates and find out what is going on.

    This level two reader, written in simple language that is easy for young readers to understand, introduces children to our solar system, including all of the planets and dwarf planets, and lots of fascinating fun facts. This reader helps cultivate the explorers of tomorrow!This high-interest, educationally vetted series of beginning readers features the magnificent images of National Geographic, accompanied by texts written by experienced, skilled children's book authors. The inside back cover of the paperback edition is an interactive feature based upon the book. Level 1 books reinforce the content of the book with a kinesthetic learning activity. In Level 2 books readers complete a Cloze letter, or fun fill-in, with vocabulary words.Releases simultaneously in Reinforced Library Binding: 978-1-4263-1037-9 , $13.90/$15.95 CanNational Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.

    . . nothing. But then . . . BANG! Stars caught fire and burned so long that they exploded, flinging stardust everywhere. And the ash of those stars turned into planets. Into our Earth. And into us. In a poetic text, Marion Dane Bauer takes readers from the trillionth of a second when our universe was born to the singularities that became each one of us, while vivid illustrations by Ekua Holmes capture the void before the Big Bang and the ensuing life that burst across galaxies. A seamless blend of science and art, this picture book reveals the composition of our world and beyond -- and how we are all the stuff of stars.

    And then one night she saw something unusual: a comet no one had ever seen before! Miss Mitchell’s extraordinary discovery made her famous the world over and paved the way for her to become America’s first professional female astronomer. Gorgeously illustrated by Diana Sudyka, this moving picture book about a girl from humble beginnings who became a star in the field of astronomy is sure to inspire budding scientists everywhere.

    Travel with author-illustrator Thomas Locker and follow our planet's most precious resource--water--on its daily journey through our world.

    On July 7, 2003, a twin rover named Opportunity soared through the solar system with the same mission: to find out if Mars ever had water that could have supported life.A thrilling addition to the acclaimed Scientists in the Field series, The Mighty Mars Rovers tells the greatest space robot adventure of all time through the eyes—and heart—of Steven Squyres, professor of astronomy at Cornell University and lead scientist on the mission. This suspenseful page-turner captures the hair-raising human emotions felt during the adventures with two tough rovers.