人们是怎么知道地球是圆的的？你也许会说是哥伦布航海发现的，但其实远在古希腊时期就有了地球是圆的的理论。 从船上的?t望台能看到在甲板上看不到的远方，月相变化，时差的产生，不同地方的人能看到不同的星空等等，这些都表明地球是圆的。 这本英语原版科普绘本提供了丰富有趣的知识，穿越历史，进入太空，启发孩子观察、思考有关地球形状的现象与知识，培养孩子独立思考的精神。 书后有简单的小实验，引导孩子自己动手、观察。

You're crouched in the African brush, camera at the ready.You're waiting on one of nature's loners. It's dark. It's scary.Then silently, he appears; the ever-elusive leopard. You haveseconds to capture on film this wonder of the wild, with its exoticspotted fur, so prized by hunters. National GeographicExplorers-in-Residence Dereck and Beverly Joubert take you closerto the mystery of the magnificent leopard and make a passionateplea to young readers to help secure a future for these felinetreasures.

Stage Fright on a Summer Night The showmust go on! That's what Jack and Annie learn when the Magic TreeHouse whisks them back to Elizabethan England. There they meetWilliam Shakespeare who’s having a hard time with some of theactors in his latest show. Are Jack and Annie ready to make a bigentrance? Or will it be curtains for Shakespeare? Good Morning, Gorillas Gentle giants or giant monsters?That's the question Jack and Annie have about gorillas when theMagic Tree House sweeps them to the mountains of Africa. There theymeet a group of amazing and sometimes frightening gorillas. Willthe gorillas be able to teach him some special magic? Thanksgiving on Thursday It’s a time for giving thankswhen the Magic Tree House whisks Jack and Annie back to 1621 on thefirst Thanksgiving Day. The Pilgrims ask them to help get thingsready. But Jack and Annie don't know how to do anything the Pilgrimway. Will they ruin the holiday forever? Or will the feast goon?" High Tide in Hawaii Catch the wave! That's wha

You approach with caution, drawn to their equine beauty. Thesleek stallion, the magnificent mare, and the gentle foal look likeany happy family. But don't get too close. These are wild horses,untamed by humans. Now photographers Yva Momatiuk and John Eastcotttake you inside the world of the wild horse. This husband-and-wifeteam of committed experts makes a case for the conservation of oneof America's favorite wild species.

Great herds of zebra thundering across the Africanplain…fragile butterflies traveling unbelievable distances…familygroups of whales coursing through the waves. Many kinds of animalsmake annual migrations, and their stories reveal incrediblestrength and will to survive. These treks are magnificentlydocumented in Great Migrations, the children’s illustratedcompanion to the upcoming 7-hour National Geographic televisionspecial of the same name. Created for the huge audience of young animal lovers—and for thenation’s schools, where migration is taught as part of the corecurriculum—this book spotlights wild creatures of highest interestto children. Action-filled photo spreads deliver immense "wow"appeal as animals vault over obstacles and escape the clutches ofpredators. Info-graphic spreads pack in the fascinating facts, withat-a-glance information on where, why, and how animalsmigrate. Throughout the coverage, this timely book addresses the effect ofclimate change on animal migrati

Who has a stripy tail and whoswin9s through the trees?Discovergorgeous 9orillas, tiny froglets and more in this adorablebook about baby animals in the jungle.

Understanding science means understanding the world aroundyou. It also means having fun! The Super Science Book usesstuff you can find around the house to explain and demonstratedozens of science concepts. The explanations are clear and theexperiments and activities let you see and understand the scienceclose-up. Use the book to satisfy your scientific curiosity, or toprovide ideas for science fair projects.

This fun book introduces young readers to some of the greatestpaintings of all time. Twenty world-famous artworks are featured ineasy-to-follow chronological order, accompanied by informativetexts that bring each masterpiece and its story vividly to life.Complete with extensive reference material, comprising chronologiesof the artists, major collections of the artists’ works and aglossary, this book will delight and engage all children of elevenand over.

When it comes to wild animals, everyone knows that there arecertain things you just don't do. It's clearly a bad idea to teasea tiger, pull a python's tail, or bother a black widow spider. Butdo you know how dangerous it can be to pet a platypus, collect acone shell, or touch a tang fish? Some creatures have developedunusual ways of protecting themselves or catching prey, and thiscan make them unexpectedly hazardous to your health. In thisdynamic and fascinating picture book by Steve Jenkins, you'll findout what you should "never" do if you encounter one of thesesurprisingly dangerous animals.

With this amazing pop-up guide, youngastronomers embark on a spectacular 3-D tour of the solar system,from the infernal surface of the sun to the deepest, darkestreaches of space. They explore each of the solar system’s regionsin detail; discover the planets, comets, and asteroids; experiencethe Apollo 11 lunar landing; hitch a ride on the InternationalSpace Station; and even traverse the dusty red surface of Mars.Filled with engaging and informative text, it’s anout-of-this-world look at the mysteries of space.

Brr! Bundle up, kids, you're about to depart on an incredible,icy expedition in The Field Guide to Polar Animals. In this cleverbook, kids will discover the 1920s journal of a fictional zoologistwho traveled to the subarctic region and Antarctica. The journal isfilled with observations about the animals he encounters on hisjourney to the ends of the earth. From polar bears to penguins,kids will learn all about wildlife in the planet's most extremeenvironments. Detailed illustrations, maps, photographs, andhandwritten diary excerpts make readers feel as if they're part ofthe expedition. Kids can also create a 3-D polar scene with afull-color diorama and eight easy-to-assemble polar animals thatcome with the book. Very cool. The Field Guide series offers anexceptional experience to young pioneers who want to explore exoticplaces. As readers learn interesting facts about eight differentanimals, they can construct models of their furry and featheryfriends to play with. Each book provides a beautifully illu

It's 1894. Charlotte and her American family have been living in France for two years where her father has learned the new way of painting called Impressionism. Now her father's paintings are going to be featured in a show in New York and the whole family is going along. New York is a hustling, bustling city like no other in the world, and Charlotte records it all in her colorful journal.Illustrated with striking museum reproductions, beautiful watercolor paintings, and collages, the book also includes biographical sketches of the featured painters. Charlotte's exciting journey to the city that never sleeps will make any reader shout, "I love New York!"

Weather is all around us, and it affects everyone--bothpositively and negatively. But it can be hard to understand,especially since it often changes so quickly.With Weather Lab, kidsages 8 and up can chart weather patterns, create a weather station,and make their own forecasts--just like meteorologists do! Thisbook comes with everything they need to perform 50 hands-onexperiments that will teach them about our weather, including atest tube with lid, thermometer and wind cups. Step by stepinstructions and diagrams will help them create mini tornadoes andbuild their own barometers, wind vanes, and rain gauges as theydiscover how air, water, and temperature can cause everything froma summer breeze to a hurricane.Weather Lab is the ultimate guide tolearning about the science behind our atmosphere--and the perfectkit for whipping up a storm of fun!

Fearsome and fascinating, sharks have an enduring appeal forkids. With this imaginative three-dimensional model-in-a-book kit,the great white can be easily built, deconstructed, and rebuiltlayer by layer until each of its elements - cartilage, dentition,fins, gills, and then cardiopulmonary, digestive, and acute sensorysystems - is understood. Included are discussions on interestingtopics like shark fin soup, shark liver oil, and shark populations.With Uncover a Shark, kids can get up close and personal with agreat white without getting bitten!

From the sunlit surface to the darkness of the deep, this book explores the fascinating life forms that exist in our oceans. Peer in to the depths of this tunnel effect book and investigate each zone of the ocean.