artronomy 1.ppt

1、Unit 4 Astronomy: the science of the stars,陈伟连,What subjects do you have today?,English mathematics chemistry,Chinese politics,What other subjects do you learn at school?,physics,Geography PE Biology art History music,physics,mathematics,chemistry,biology,geography,Science subjects,Astronomy is the

2、scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars), gas, and dust within it.,astronomer,ks5u精品课件,Do you know the following scientists? Who are they? What have they discovered?,Isaac Newton, 牛顿 16421727,Universal gravitation 万有引力,The theory about black holes

3、 （黑洞理论）,霍金,Einstein, Albert (1879-1955) 爱因斯坦,Relativity（相对论） and the Cosmos （宇宙）,Solar system,Quiz,1.Who wrote the book The Origin of Species (物种起源) ? A Issaac Newton B Albert Einstein C Charles Darwin,2.Who is famous for the theory of Black Hole theory? (黑洞) A Hawking B Newton C Einstein,3 How many

4、 big planets are there in the Solar System? A 7 B 8 C 9,4. Which planet is the biggest in the solar system A Jupiter B Uranus C Venus,5. Which planet is closest to the sun? A Mars B Mercury C Saturn,ks5u精品课件,7. On which planet are there lives at present ? A the Venus B the Earth C the Mars,6 which p

5、lanet is farthest from the sun in the solar system? A Mars B Neptune C Uranus,ks5u精品课件,Do you know how did the universe begin?,Each religion or culture has its own ideas about the beginning of the universe,Pangu separates the sky from the earth,ks5u精品课件,Pangu separated the earth and sky with an ax.

6、After he died, his breath became wind and cloud; his voice became thunder and his left eye sun and right one moon; arms and legs became edges and mountains; blood became rivers and tendon (筋脉) became roads; muscles became fields and hair stars; teeth and bones became metals, pearls and jade; sweat b

7、ecame rain.,Nuwa makes human beings,ks5u精品课件,Other legends about the beginning of universe,God created the world in seven days,ks5u精品课件,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 Day 3: God spoke and creat

8、ed dry land,上帝创世说：,ks5u精品课件,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 animals and man Day 7: God rested and blessed this day calling it Holy,ks5u精品课件,India Brahma(婆罗门) is the god first r

9、epresented in the Hindu Triad. He is the creator of the universe and all living beings are said to have evolved from him.,ks5u精品课件,The Big Bang,Do you know what a scientific idea is?,ks5u精品课件,Do you know what a scientific idea is?,The Big Bang,The big bang theory suggests that the universe was once

10、extremely compact(紧密的) dense(密集的), and hot. Some original event, a cosmic (宇宙的) explosion called the big bang, occurred about 13.7 billion years ago, and the universe has been expanding (扩大的)and cooling.,ks5u精品课件,A cloud of dust,settle into a solid globe,Explodewith fire & rock,(produce C, N2, H2O,

11、and other gases),atmosphere,water appeared,Cool down,Life began on the earth,What did the water do on the earth?,dissolve harmful gases into ,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tel

12、l the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups o

13、f life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphib

14、ians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3

15、.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictu

16、res and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of the groups of life (生命的种类/物种) Look at the pictures and tell the groups .,1.insects 2.plants 3.reptiles（爬行类） 4.shellfish（贝类） 5.fish 6.amphibians（两栖类） 7.mammals(哺乳类),Study of t

17、he groups of life (生命的种类/物种) Look at the pictures and tell the groups .,Human beings,The development of life,1 The universe began with a “Big Bang”. 2 The earth was a cloud of dust. 3 The earth became a solid ball. 4 Water appeared on the earth. 5 Small plants grew on the water. 6 Shellfish and othe

18、r fish appeared. 7 Plants began to grow on dry land 8 Insects and amphibians appeared. 9 Reptiles appeared. 10 Dinosaurs appeared. 11Mammals appeared. 12 Clever animals with hands and feet appeared.,Think about what you have read and make choices.,Why was the earth different from other planets? A it

19、 produced a lot of heat. B.The water remained. C Water disappeared. D.It was the oldest planet.,Why were mammals so special? AThey produced their babies from within their boby B. Because they appear at the same time with dinosaurs C Because there were no other kind of animals on the earth except mam

20、mals. D.Because human developed from mammals.,Why was it necessary for plants to grow before animals?,A Animals needed plants to protect them from the sun. B Plants provided oxygen for animals to breathe. C Animals could hide from hunters in forest. D It was easier for plants to grow.,What problem i

21、s caused by human being?,A They exist everywhere on the earth. B They cause global warming. C They find new methods of growing crops. D They enjoy hunting and fishing.,Main idea of each paragraph,Paragraph 1: Paragraph 2: Paragraph 3: Paragraph 4:,The importance of water for life The development of

22、plants and animals on the earth The formation of the earth A widely accepted theory about the formation of the universe,d,c,a,b,e.The arrival of humans and their impact on the earth,Paragraph 5:,ks5u精品课件,e,Text Retelling,The explosion of the earth produced_ _, which turned into water when the earth

23、cooled down. Water allowed the earth to _ harmful gases into the oceans and seas. That made it possible for _ to begin to develop. The arrival of small _ encouraged the development of early _ and all sorts of fish. Many millions of years later the first green plants began to appear on land.,water,vapour,dissolve,life,plants,shellfish,La