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。

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

This Magic Tree House set including the followingtitles: Night of the Ninjas (Magic Tree House, No. 5) Afternoon on the Amazon (Magic Tree House, No. 6) Sunset of the Sabertooth (Magic Tree House, No. 7) Midnight on the Moon. (Magic Tree House, No. 8)

Beautiful double-page illustrations bring fourteen key periods in history to life. You will see magnificent buildings go up and come down, new churches built on the site of ancient temples, wooden bridges destroyed and then remade in stone, and statues demolished then unearthed many years later. You'll find out how people lived long ago - the tools they used, what they wore, what they ate and what they did all day. In an added twist, you can search for the time traveller in each period and locate the objects that have managed to survive through the ages.

This Magic Tree House set including the following titles: Night of the Ninjas (Magic Tree House, No. 5) Afternoon on the Amazon (Magic Tree House, No. 6) Sunset of the Sabertooth (Magic Tree House, No. 7) Midnight on the Moon. (Magic Tree House, No. 8)

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.

Dolphins have long been a source of fascination for humans fortheir immense intelligence, charming personalities, and magnificentacrobatics. But there are lots of things that we don’t know aboutthese captivating mammals: Did you know that there are 37 differentspecies of dolphins? Or that dolphins drink milk? That they takenaps? Or that some scientists believe that the dolphin’s ancestorsonce walked upright on land? Here, 3-D, layered models let childrenlook through a dolphin's insides while they encounter interestingfacts and vivid illustrations along the way.

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.

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!

A is for APRIL FOOLS' DAY, Horrid Henry's favourite day of the year (except his birthday, of course.) B is for BOGEY BABYSITTER, Rabid Rebecca, the toughest teen in town. C is for CHRISTMAS PRESENTS, Father Christmas had better get it right this year! From the Purple Hand to pink frilly knickers; supersoakers to Sour Susan; football fiends to fizzywhiz drinks; demon dinner ladies to Dungeon Drinks - this book has it all and more. An encyclopaedia of absolutely EVERYTHING you ever wanted to know about Horrid Henry.

Roughly 4.6 billion years ago, planet Earth was just a red-hotmolten ball in the solar system. Since then, the planet has evolvedtremendously! Packed with astonishing photographs and intriguingfacts, this 3-D Explorer book also features five dramatic pop-upscenes with see-through layers that provide a one-of-a-kind glimpseinto our planet's inner workings, including a spectacular volcaniceruption and a depiction of life in the Arctic. 3-D Explorer:Planet Earth takes kids on an incredible journey through thenatural world. They'll discover Earth's early history, and learnabout its constantly changing surface, land masses and extremeweather. This is a journey to the center of the earth like noother!

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.

There's no question about it: kids dig fossils. From massivedinosaur skeletons to ancient ferns embedded in stone, there'splenty for kids to discover in Viewfinder: Fossils . Thisunique book is filled with interactive elements that give youngreaders a chance to dig deeper than ever before. In addition to funflaps and sliding panels, kids can use the removable magnifier toexamine close-ups of fascinating fossils, including the sharp clawsof a Velociraptor and the scales on the skin of a Sauropod. Tofurther bring the past back to life, Viewfinder: Fossils isfilled with engaging text, photographs, and cool digitalillustrations of ancient animals and people in action. A thrillingclose-up adventure for young paleontologists!