1、Unit 4 Astronomy: the science of the stars,Warming up,ks5u精品课件,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 big planets are there in the So
2、lar System?A 7 B 8 C 9,4. Which one belongs to amphibian? A frog B snake C dinosaur,5. Which one belongs to reptile? A fish B snake C bird,ks5u精品课件,8. On which planet are there lives at present ? A the Venus B the Earth C the Mars,7.which gas is the most important for life? A. carbon dioxide (CO2 )
3、B. oxygen(O2) C. nitrogen (N2),6 which one belongs to mammal ? A dinosaur B dog C fish,ks5u精品课件,水星,金星,地球,火星,木星,土星,天王星,海王星,The Solar system,Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune,ks5u精品课件,Pangu separates the sky from the earth,ks5u精品课件,中国神话传说中有盘古开天地的说法。巨人盘古用一把利斧劈开混沌,将天地分开。死后,他的气息化成风和云
4、,声音变成轰轰的雷声,左眼化为太阳,右眼化为月亮,手足与四肢变成大地的四极与五方的名山,血液化成江河,筋脉铺成道路,肌肉形成田地,须发成为星星,牙齿和骨骼化为金属、珍珠、玉石,汗水成为滋润万物生长的甘 霖和雨露。,ks5u精品课件,女 娲 补 天,Legend: The Goddess Nuwa mended the heaven and created human beings from the clay(粘土).,Nuwa makes human beings,ks5u精品课件,Other legends about the beginning of universe,God create
5、d 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 created 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
6、 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,Main idea of each paragraph,Paragraph 1:Paragraph 2: Paragraph 3: Paragraph 4:,The importance of water for life The development of plants
7、 and animals on the earth The formation of the earth A widely accepted theory about the formation of the universe,d,c,a,b,The arrival of humans and their impact on the earth,Paragraph 5:,ks5u精品课件,Why was it necessary for plants to grow before animals?,A Animals needed plants to protect them from the
8、 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 is 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 hun
9、ting and fishing.,ks5u精品课件,Can you decide whether they are True or False? 1.The earth was a cloud of dust before it combined into a ball around the sun. 2.The water vapour, carbon dioxide, oxygen, nitrogen formed the earths atmosphere. 3.The coming of small plants growing in the water made the earth
10、 different. 4.Land animals appeared before the green plants on land. 5.Dinosaurs produced their young by laying eggs. 6.The earth may become too hot if too much carbon dioxide was put into the atmosphere.,T,F,T,F,T,T,ks5u精品课件,Big Bang,A solid ball,Atmosphere,The earth,ks5u精品课件,It was full of water.,
11、ks5u精品课件,water,Plants in the water,Shellfish and fish,Plants on land,ks5u精品课件,Insects and amphibians,Reptiles,Dinosaurs,Mammals,ks5u精品课件,Man had evolved from apes.,ks5u精品课件,After the , the earth was just . Slowly, it began to combine into moving around the sun. After it exploded loudly, the explosio
12、n produced , _ and other gases.,“Big Bang”,a cloud of dust,carbon, nitrogen the water vapour,a solid globe,Retell,ks5u精品课件,As the earth cooled down, _ began to appear on its surface. Because of water and other useful gases, and later _ appeared.Many millions of years later,began to grow , which led
13、to the appearance of .,water,small plants grew,shellfish and other fish,insects and amphibians,the first plants,on land,ks5u精品课件,When the plants grew into forests, . Later, . When they disappeared, became more important. At last, _ _ have became the most important animals on the planet.,reptiles appeared,dinosaurs developed,mammals,human,beings,ks5u精品课件,What problems have been caused by humans to the earth?,ks5u精品课件,How to protect the earth and make it a better place to live on?,ks5u精品课件,
