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。
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.
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.
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.
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.
B is for Binary, F is for Fibonacci, P is for Probability...even a small sample begins to give you the idea that this is a mathbook unlike any other. Ranging freely from exponents to light-yearsto numbers found in nature, this smorgasbord of math concepts andtrivia makes a perfect classroom companion or gift book for thebudding young mathematician at home. Even the most reluctant mathstudent will be drawn in by the author's trademark wit, MarissaMoss's quirky illustrations and funny captions, and the answersrevealed in W is for " When are we ever gonna use this stuff,anyway?" Download the G is for Googol Teacher's Guide(300K)
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.
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)
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.
The Cat and company travel by hot air balloon up and into various weather phenomena including rain, snow, thunder, tornadoes, and (yikes!) even hurricanes! Along the way they learn about thermometers, anemometers, wind vanes, cloud formations, humidity, fog, smog, weather folklore, and how to stay safe in lightning. Written and illustrated in Seussian style, this a great addition to the Cat in the Hat’s Learning Library!
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
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.
Morggan, the Magical Librarian of Camelot, asks Jack and Annie to find the four magic gifts that will free an enchanted dog from a spell. The quest leads them to a ship lost at sea, the Great Plains, and the forests of India and Australia. But will they learn the secret of the dog they call Teddy? This boxed set includes four exciting Magic Tree House adventures: #17: Tonight on the Titanic, #18: Buffalo Before Breakfast, #19: Tigers at Twilight, #20: Dingoes at Dinnertime, as well as a bonus packet of puzzles and games!
The Cat and Co. take off to the faraway land of Gerpletz where they know quite a lot about caring for pets-- especially cats, dogs, guinea pigs, birds, and bunnies From the food, shelter, exercise, and medical care they need to the love and companionship they crave, the Cat teaches beginning readers how to keep their pets (and themselves ) healthy, safe, and happy.
Stephen Hawking, author of the multi-million copy bestselling A Brief History of Time , and his daughter Lucy explain theuniverse to readers of all ages. George's parents, who have alwaysbeen wary of technology, warn him about their new neighbors: Ericis a scientist and his daughter, Annie, seems to be following inhis footsteps. But when George befriends them and Cosmos, theirsuper-computer, he finds himself on a wildly fun adventure, whilelearning about physics, time, and the universe. With Cosmos's help,he can travel to other planets and a black hole. But what wouldhappen if the wrong people got their hands on Cosmos? George,Annie, and Eric aren't about to find out, and what ensues is afunny adventure that clearly explains the mysteries of science.Garry Parsons' energetic illustrations add humor and interest, andhis scientific drawings add clarity; there are also eight 4-pagefull-color inserts of scientific photos.
In National Geographic Kids Everything Dinosaurs, kids will explore the fascinating world of dinosaurs, meeting prehistoric creatures as tall as houses, and others that were as tiny as chickens. Kids become dino experts as they browse the eye-popping illustrations and absorb the authoritative information, made extra fun through a lively and humor-infused presentation. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.
