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1、Astronomy the science of the stars-warming up and reading课件人教版新课标 必修3 Unit 4 5.Fish 6. amphibians7.Mammals Human beings八八大大行行星星你知道吗？你知道吗？(水星）水星）（金星）（金星）（火星）（火星）(木星木星)(天王星）天王星）(土土星星)(海王星）海王星）（地球）（地球）SunVenusMercuryMarsJupiterSaturnEarthPlutoNeptuneUranusMy Very Excellent Mother Just Sent Us Nine Pizz
2、asHow to remember the order(顺序顺序) of the eight planets .EarthJupiterMarsMercuryNeptuneSaturnUranusVenus你你记记住住了了吗吗？Do you know how our life began on the earth?Do you know any ancient idea about the beginning of the earth?Pangu separates the sky from the earthNvwa makes human beingsReligious God creat
3、ed the world in seven days. Day 1: God created Day and Night.Day 2: God created sky.Day 3: God created dry land the earth, and seas.Day 4:God created the sun, the moon and stars.Day 5: God created living things in the air and sea.Day 6: God created the land animals and the first man.Day 7: God reste
4、d and called this day Holy(圣日圣日).Day 1: God created Day and Night.Day 2: God created sky.Day 3: God created dry landthe earth, and seas.Day 4:God created tow great lights(the sun, the moon) and stars.Day 5: God created living things in the air and sea.Day 6: God created the land animals and the firs
5、t man.Day 7: God rested and called this day Holy.Skim the passage and match the main idea with each paragraph. Para. 1 formation(形成) of the earth.Para. 2 importance of water for life.Para. 3 C.A widely accepted theory the BigBangPara. 4 D. The arrival of humans and their impact(影响) on the earth. Par
6、a. 5 development of plants and animals on the earth.Detailed Reading1.The development of the earthThe Big Bang (1) After the Big Bang, what happened? a cloud of dust a violent solid globe exploded with fire and rockproduced carbon,nitrogen ,water vapour& gasesMade the earths atmosphereWater appeared
7、(4) What appeared on the earth then?(5) What did the water form? oceans and seas appeared1. Big Bang2. a cloud of dust3. A solid globe4. exploded with fire and rock5. produce the water vapour, carbon dioxide-atmosphereHow did the earth come into being?6. cooled down7. water appeared8. Dissolved harm
8、ful gases &acid水Water is fundamentalto the development of life.2.The development of life small plants Firstearly shellfishStage 1: The development of life in waterall sorts of fish green plants on land insects on land Nextamphibians on land and in the waterGreen plants grew into forests Later reptil
9、es on land dinosaurs on land(1) What life developed after forests appeared?After thatmammals on land(2) What life developed after dinosaurs? small clever animals(3) What life developed after mammals? FinallyThe Big BangwaterSmall plantsinsects and amphibians land onReptiles on landmammals advanced m
10、ammalsdinosaurs 1. Small plants in water2 ._ and all sorts of fish3. Green _ on land4. _ (on land)5. Amphibians (on land and in _)6. Plants grew into _.8. _ (on land)9. _ (on land)Have a try: Talking about the development of life7. _ (on land)10. _ (small clever animals on land)ShellfishInsectswater
11、plantsforestsReptilesDinosaursMammalsHuman beings After the “Big Bang”, the earth was just a cloud of dust. It _ loudly with fire and rock, which were _to produce the water vapour, _ and other gases. Then small plants grew. They _and filled the oceans and seas with oxygen. Many millions of years lat
12、er， the first green plants began to _on land. When the plants grew into forests, reptiles appeared for the first time. They produced young generally by _eggs. explodedin timecarbon dioxidemultipliedappearlaying When dinosaurs disappeared, mammals became more i_. Now small clever animals with_ appear
13、ed and _ all over the world. As time went by, they covered the earth and they are putting too much carbon dioxide into the_, which _heat_ the earth into space. Whether life will continue on earth for millions of years to come will _whether this problem can be solved.mportanthands and feetspreadatmosphereprevents fromdepend onPlease retell the passage according to the pictures.Revision Big Bang A solid ball The earth Atmosphere waterPlants in the waterShellfish and fishPlants on landInsects and amphibiansReptiles Dinosaurs Mammals
