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。

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.

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.

The ingeniously designed, safe plastic bottle is perfect for catching and viewing creepy crawlies, then letting them go unharmed. This is a bug kit with a conscience! The full-colour book provides field notes to 46 bugs (up from the original 24) arranged by habitat, including pond, forest, ground, leaves, field, flower. Written by entomologist Hugh Danks, the "Bug Book" gives comprehensive information about these fascinating creatures - how they live, what they eat, unusual characteristics, and more.It offers simple, clear guidelines on how to collect and care for bugs, and equally helpful hints on which bugs not to catch. New to the kit are a fold-out bug chart for quick identification, a magnifier to see the critters up close, and a bug explorer's journal to record discoveries. Discover how the whirligig beetle got its name, why fireflies light up, and how water striders walk on water. And then impress parents and friends - here are all the tools kids need to become bona fide bug experts.

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.

这是一部有关现代科学发展史的既通俗易懂又引人入胜的书，作者用清晰明了、幽默风趣的笔法，将宇宙大爆炸到人类文明发展进程中所发生的繁多妙趣横生的故事一一收入笔下。惊奇和感叹组成了本书，历历在目的天下万物组成了本书，益于人们了解大千世界的无穷奥妙，掌握万事万物的发展脉络。 书中回溯了科学史上那些伟大与奇妙的时刻，引用了近年来发现的*科学史料，几乎每一个被作者描述的事件都奇特而且惊人：宇宙起源于一个要用显微镜才看得见的奇点；全球气候变暖可能会使北美洲和欧洲北部地区变得更加寒冷；1815年印度尼西亚松巴哇岛坦博拉火山喷发引发的海啸夺走了10万人的生命；美国黄石国家公园是“世界上*的活火山”……而那些沉迷于科学的科学家们也是千奇百怪：达尔文居然为蚯蚓弹起了钢琴；牛顿将一根大针眼缝针插进眼窝，为的

What do Galileo, Isaac Newton, Louis Pasteur, and Albert Einstein have in common? They've all ridden on the Magic School Bus, of course! Ms. Frizzle is back in action and she has a mission: her students need science fair projects - and fast. What better way to get ideas than to learn from some of the all-time greats? The class heads to the Walkerville Science Museum to see the exhibit on GREAT SCIENTISTS THROUGH THE AGES, where, suddenly, Galileo comes to life! He is about to make a great discovery, but he needs a ride home. Thank goodness Ms. Frizzle knows the way!

It’s time to sleep! Who dozes standing on one leg withoutfalling over, snores while flying, or snuggles together in a bigsleepy pile?

Take a 12,000-year walk through history. Follow the story of a city from ancient colony to vast modern metropolis with "A City Through Time". In this stunning update of the popular original, let the full-colour illustrations transport you back to another age, as the award-winning Steve Noon brings the past to life in style. Panoramic scenes in the unique cutaway style are packed with colourful pictures showing everyday life in the city across the centuries, and pop-up de*ions make sure the details aren't lost as you meet the characters who live and work there. Plus each scene has a page devoted to key features, so you can get up close to a Roman bath-house, a medieval castle or a modern skyscraper. Featuring a photographic section that profiles great cities through history and a glossary that tells you what you need to know about architecture, technology, work and costumes throughout the ages. Revised and updated for a new generation, Steve Noon's "A City Through Time" is perfect for parents and children to l

In this title you will find over 1000 illustrations, plus factfiles, maps and diagrams explaining who's who in the dinosaur world. From life on earth before the dinosaurs, the Triassic, Jurassic and Cretaceous periods and different types of dinosaurs: to fossils, famous finds and dinosaur myths and legends.

Earthquakes Volcanoes' showcases the power of our ever-shifting earth with a wealth of pop-ups, booklets and flaps. Witness the might of an earthquake, look inside an erupting volcano and prepare yourself for some dramatic natural disasters in this guide to Earth's most extreme events.

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.

The young daughter of American artists living in Giverny, France, in 1893, records in her journal her exciting trip to Paris to attend an Impressionist art exhibition. Includes biographical sketches of the artists featured in the story.

Norval the Fish is hosting a seaside talkshow for the Fish Channel-and the Cat in the Hat and Thing One and Thing Two are Cameracat and Crew Among Norval's special guests are his old friend Clam-I-Am (a shy gal who lives in the sand and likes to spit), along with horseshoe and hermit crabs, jellyfish, sand fleas, starfish, seagulls, and miscellaneous mollusks. Seaweed, seaglass, tides, tidal pools, dunes, driftwood, and waves make cameo appearances, too. "Warning: Beginning readers are apt to be swept away "

The complexities of thehuman body can be daunting, particularly for children. Thisbook-model combination takes some of the mystery out of how thebody works. It covers all the major systems and processes. Childrenget to build and rebuild each system and combine them into awhole.

Did you know that America's favorite pie is apple? Or that ittakes about 50 licks to finish off a single scoop of ice cream? Orthat before cupcake pans were invented, people baked theseminiature delights in teacups? These facts--and more--are waitingin the "AmazErasers: Sweet Shoppe" kit along with hours of activityfun! The "AmazErasers: Sweet Shoppe" kit includes an activity book wherekids can work their way through a cake maze, complete a bakingcrossword, and even design their own cupcakes! They'll use thecollectible puzzle erasers, reusable stickers, and double-sidedcolored pencils to color candy confections, test their wordscramble talents, and explore their creativity by coming up withcaptions to deliciously delightful dessert photos. They'll eventake a quiz to discover what type of cupcakes they are! With this exciting kit, every second is a sweet treat!