astronomy the science of the stars課件9

1、必修3,教學(xué)輔助課件,Astronomy: the science of the stars,Unit 4,astronomy astronomer solarsystemsolar systemreligion,n. 天文學(xué) n. 天文學(xué)家adj. 太陽的；日光的 n. 系統(tǒng)；體系；制度 太陽系 n. 宗教；宗教信仰,Words and,Expressions,Read after the tape and

2、 speak out the Chinese immediately.,1. To learn the basic knowledge about solar system2. To get something interesting about astronomy3. To get more about the origin of the earth4. To arouse the students’ interest in a

3、stronomy,stars,super moon,the big bang,the black hole,What do you know about astronomy?,Astronomy is a science that studies celestial objects such as planets, moons, stars, comets, nebulae (星云) & galaxies.,Solar Sys

4、tem,What’s this?,Do you know anything about the solar system?,star 恒星,planet 行星,,,,Which is a star? Which is a planet?,Now watch a piece of video and check your answers.,In our solar system eight planetscircle around th

5、e sun.,1111,,,,,,,,,,What are the names of the eight planets that circle around the sun?,The Roman goddess of love,The Roman god of war,Mercury 水星,Earth 地球,Mars 火星,Saturn 土星,Neptune 海王星,Venus 金星,Jupiter 木星,Uranus 天王星,Wi

6、th the exception of the earth, all of the planets in our solar system have names from Greek or Roman mythology.,The Roman god of merchants and travellers,The king of the Roman gods,The Roman god of seeds and sowing,The G

7、reek god of the sky,The Roman god of the sea,,More information about Solar system.,How does the Sun produce energy?,Is there intelligent life in the Universe?,What do we know about planets around other stars?,What is the

8、 eventual fate of the Sun?,Where might we find life in the Solar System?,What determines the surface temperature of a planet?,Possible answers:,What interests you in astronomy? Do you know any questions that astronomers

9、are interested in?,P25 2,Some facts about astronomy:,We can only detect about 5% of the matter in the universe.,The Sun's core releases the equivalent of 100 billion nuclear bombs every second.,Light from distant sta

10、rs and galaxies takes so long to reach us that we are actually seeing these objects as they appeared in the past.,Shooting stars (流星) really aren't stars. They are usually just tiny dust particles falling through our

11、 atmosphere.,Even though Mercury is the closest planet to the Sun, temperatures there can reach -280 degrees F on its surface.,Earth is the only planet not named after a god.,Some facts about astronomy:,1. How old is the

12、 earth? A. About 3.5 billion years B. About 4.5 billion years C. About 5.5 billion years D. About 6.5 billion years 2. ______ of the earth surface is covered by water. A. 20% B. 30% C. 50%

13、 D. 70%3. What is the total population of humans on the earth? A. About 3.5 billion B. About 4.5 billion C. About 5.5 billion D. About 6.5 billion4. How long does the rotation (自轉(zhuǎn)) of the earth take?

14、 A. 12 hours B. 24 hours C. a month D. 365 days,,Let’s turn to the Earth — the planet we should know well. Now do a quiz to see how much you know

15、about our planet — the Earth.,5. Which continent is the smallest? A. Africa B. North America C. South America D. Oceania 6. On what day is the Earth day celebrated? A. April

16、 22 B. May 4 C. August 21 D. November 117. Which ocean is the largest? A. The Pacific Ocean B. The Arctic Ocean C. The Indian Ocean

17、 D. The Atlantic Ocean8. Which country has the largest area? A. Canada B. China C. Russia D. U.S.A,The origin of life on earth is a question that interests as

18、tronomers. What do you know about it?,Each religion and culture has its own ideas about how life began on earth. What do you know?,P25 1&2,Pangu separates the sky from the earth.,Chinese Version 1,Nvwa made humans.,C

19、hinese Version 2,The Biblical Account,Western Version,Day 1: God spoke and separated light from darkness creating Day and Night. Day 2: God spoke and separated the water creating sky and ocean.

20、 Day 3: God spoke and created dry land. Day 4: God spoke and created the sun, moon and stars. Day 5: God spoke and created living creatures in the air and sea. Day 6: God spoke and created the land anima

21、ls and man. Day 7: God rested and blessed this day calling it Holy.,Indian Version,Brahma — the Hindu god of creation,He is the creator of the universe and all living beings are said to have evolved from hi

22、m.,平面圖,Modern Version,▲ Big Bang,According to the big bang, the universe was created sometime between 10 billion and 20 billion years ago from a cosmic explosion that hurled matter in all directions.,Now watch a piece of

23、 video and get more information about the big bang.,Do you know any interesting astronomical phenomena? Discuss with your group members and choose one of them to make a presentation to the class.,Talk,Who knows the most