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1、Unit 4 Astronomy: the science of the starsWarming upks5u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 Darwin2.Who is famous for the theory of Black Hole theory? (黑洞)A Hawking B Newton C Einstein3 How many big planets are there in the Solar S
2、ystem?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 Mars7.which gas is the most important for life? A. carbon dioxide (CO2 ) B. oxyg
3、en(O2) C. nitrogen (N2)6 which one belongs to mammal ? A dinosaur B dog C fishks5u精品课件水星金星地球火星木星土星天王星海王星The Solar systemMercuryVenusEarthMarsJupiterSaturnUranusNeptuneks5u精品课件Pangu separates the sky from the earthks5u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,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
4、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Legend: The Goddess Nuwa mended the heaven and created human beings from the clay(粘土).Nuwa makes human beingsks5u精品课件Other legends about the beginning of universeGod created the world in seven daysks5u精品课件Day 1: God
5、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 created living creatures in the air and sea Day
6、 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 paragraphParagraph 1:Paragraph 2: Paragraph 3: Paragraph 4: a.The importance of water for life b.The development of plants and animals on the earth c.The formation of t
7、he earth d.A widely accepted theory about the formation of the universe dcabThe 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 sun. B Plants provided oxygen for animals to bre
8、athe.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 hunting and fishing. ks5u精品课件Can you decide whether they ar
9、e 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 different.4.Land animals appeared before the green plants o
10、n 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.ks5u精品课件Big BangA solid ballAtmosphere The earthks5u精品课件It was full of water.ks5u精品课件waterPlants in the waterShellfish and fishPlants on landks5u精品课件Insects an
11、d amphibiansReptiles 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 explosion produced , _ and other gases.“Big Bang” a cloud of dustcarbon, nitrogen the water vapour
12、a solid globeRetell 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 to the appearance of .watersmall plants grew shellfish and other fishinsects and amphibiansthe
13、first plantson landks5u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 beingsks5u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
