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.
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.
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.
Read about all the cool machines used to rescue people and then build them with the included bricks This set of book and 122 building bricks is an amazing value when priced against similar products. Sirens blare, lights flash...it's a rescue vehicle rushing to the scene. How much do you know about the fire trucks, coast guard helicopters, and ambulances that help people every day? Do you know what equipment a fire truck carries? What the inside of an ambulance looks like? Find out inside, then build a police helicopter, fire truck, and rescue ATV of your very own with the included 122 bricks. Ready, set, construct
Read about construction machinery and assemble three awesome vehicles with the included building bricks Grab your hard hat and let's get building First, we need to call in the bulldozers, backhoes, and dump trucks to prepare the construction site. Foreman Max will tell you all about these and many more powerful machines in this fact-packed book. Then build three of your very own vehicles with the included 114 bricks. Ready, set, construct
