高中英語(yǔ) 5 牽手課堂練習(xí)課件 外研版必修1 （陜西專版）

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1、Module 5A Lesson in a Lab一堂實(shí)驗(yàn)課一堂實(shí)驗(yàn)課The science of astronomy for kids浩瀚的宇宙無(wú)邊無(wú)際、無(wú)始無(wú)終，這給無(wú)數(shù)人帶浩瀚的宇宙無(wú)邊無(wú)際、無(wú)始無(wú)終，這給無(wú)數(shù)人帶來(lái)了無(wú)盡的遐想。它的神奇和神秘不僅開(kāi)啟了古來(lái)了無(wú)盡的遐想。它的神奇和神秘不僅開(kāi)啟了古今中外科學(xué)家的探索之路，而且強(qiáng)烈地吸引著孩今中外科學(xué)家的探索之路，而且強(qiáng)烈地吸引著孩子們！子們！The science of astronomy (天文學(xué)天文學(xué)) is interesting.There are a lot of kids who are interested in the p

2、lanets，the solar system，the universe and everything else thats part of this exciting science.For children，many parts of it are magical and they are drawn towards the moon，the stars and far distant galaxies (星星系系)The moon is Earths only satellite.It takes about 27 days to travel around the Earth.Grav

3、ity (地心引力地心引力) between the moon and Earth causes the tides.Its brightness in the night sky attracts many children to learn more about it.Then theres our sun.Earth is quite far from the sun.The distance is between about 91 million miles and about 94 million miles.Thats because Earths orbit (軌道軌道) aro

4、und the sun isnt a circle；its an ellipse (橢圓橢圓)If there were no sun，we wouldnt be alive.Our light and heat comes from the sun.Over 98% of the total stuff in our solar system is in the sun.Think about how small a person is compared to that.We live in the Milky Way galaxy.Its full of space stuff.Even

5、with all this stuff to fill it，its mostly empty.At over 100,000 light years wide and 3,000 light years high，that means the galaxy holds a whole lot of nothing.The center of our galaxy is about 30,000 light years from Earth.Even with all that space there are about 100 billion stars in the Milky Way.I

6、n fact the galaxy was named after the thick group of stars in the main part of it.People thought it looked like a stream of milk，so they called it the Milky Way.There is a lot of information about astronomy for kids on the Internet.Kids can easily learn more about the universe around us.True (T) or False (F)1The moon is one of the earths two satellites.()2Most children like the moons brightness very much.()3We depend on the sun to live.()4There is nothing at all in the Milky Way galaxy.()答案：答案：1.F2.T3.T4.F