Unit 3第三单元 1) The sun. Earth. Moon太阳.地球.月球 2) On the earth, we can see the sun rising and falling, and we can also see the moon's circle.在地球上，我们能看到太阳东升西落，也能看到月亮的圆缺变化。 3) What are the mysteries of the sun, the earth and the moon? Let's explore together!太阳、地球月球有哪些奥秘?让我们一同探寻吧! 8 .Explore the Earth探索地球 1. From ancient to present, people's understanding of the shape of the earth has gone through a long process, some people think it is round, some people think it is square.从古到今，人们对地球形状的认识经历了相当漫长的过程，有人认为是圆的，有人认为是方的。 2. What the hell is the earth like?地球到底是什么样子的? 3. Mission card任务卡 4. Collect information about people's understanding of the shape of the earth.搜集人们认识地球形状的相关资料。 5. Activity process活动过程 6. ●Explore the course of people understanding the shape of the earth. 探究人们认识地球形状的历程。 7. In ancient times, some people thought that "the sky is like a dome cottage, and the ground is like a chessboard" . 古代有人认为“天似穹庐，地似棋盘”。 8. I got information about...我查到的资料有...... 9. People reported that the observation of great love speculated that the earth may be a sphere, observation of the eclipse, found that the tax this month in addition to the color of the national class; in the tour of the pen to return to the team, I see always the first to see the mast, and then see the hull...人们报据大爱的观测现象推测地球可能是球体，观察月食时，发现达系税本月除上的彩于是国级形的;在游过送笔归航的相队，我见总是最先看到桅杆，再看到船身...... 10. We will do a simulation experiment, and我们来做个模拟实验 1. In 1519, Magellan led the fleet from the starting point, sailing in one direction, after many years finally returned to the starting point.1519年，麦哲伦率领船队从起点出发，朝着一个方向航行，历经多年最终回到了起点。 2. People slowly accepted the idea that the earth is a sphere.人们这才慢慢接受了“地球是个球体”的观点。 3. People slowly accepted the idea that the earth is a sphere. 4. 在月球上拍到的地球 5. Earth captured by satellite人造卫星拍到的地球 6. Data Card资料卡 1. The equatorial radius is about 6378 km, a polar radius of 6357 km, a maximum perimeter of 40000 km and a surface area of 510 million square kilometers. 地球的赤道半径约为 6378 千米，极地半径约为6357千米，最大周长约为4万千米,表面积约为5.1亿平方千米。 2. The Earth is an irregular sphere slightly flat and bulging at the equator. 地球是一个两极稍扁、赤道略鼓的不规则球体。 3. Outreach activities拓展活动 4. Find evidence from daily life that the earth is a sphere.从日常生活中寻找可以证明地球是球体的证据。 |
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