人教版高中英语必修3 unit 4 Astronomy: the science of the stars reading公开课教学课件 （共16张）
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| 名称 | 人教版高中英语必修3 unit 4 Astronomy: the science of the stars reading公开课教学课件 （共16张） |  | |
| 格式 | zip | ||
| 文件大小 | 1.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-02-20 21:00:08 | ||
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课件16张PPT。How life began on the earthPangu separates the sky from the earth. Nvwa makes human beings.Chinese Legends (传说) Religious Beliefs first man, Adam
and
the first woman,
Eve
Scientific Theories How life began on EarthQuiz 1.Who wrote “The Origin of Species ” (物种起源)?
Newton
Einstein
Charles Darwin2.How many planets are there in the Solar System?
A 7 B 8 C 9 4. Which one belongs to reptile?A. frog B. snake C. duck
D. Fish E. bird F. dog3. Which one belongs to amphibian?5. Which one belongs to mammal?ABF6. Which gas is the most important for life?
carbon dioxide (CO2 )
B. oxygen (O2)
C. nitrogen (N2)
( ) 1. No one knows how the earth came into existence.
( ) 2. Stars and other bodies were created after a ‘Big
Bang’ of the universe.
( ) 3. After billions of years, the earth exploded and
produced gases, which were to become atmosphere
of the earth.
( ) 4. There is water on earth as well as on Mars.SkimmingTrue or FalseTTTF( ) 5. Plants appeared later than fish.
( ) 6. Land animals came into being as green plants
began to grow on land.
( ) 7. Scientists have found out why dinosaur
suddenly disappeared.
( ) 8. It was 2.6 million years ago that human beings
appeared on the earth.FTTFPara. 1 How the earth came into being.
Para. 2 The importance of water for life.
Para. 3 A theory about how the universe
came into being.
Para. 4 The arrival of humans and their
impact on the earth.
Para. 5 The development of plants and
animals on the earth.Put the correct time order of development of life1 Insects and amphibians appeared.
2 Dinosaurs appeared.
3 The earth became a solid ball.
4 Small plants grew on the water.
5 Reptiles appeared.
6 Plants began to grow on dry land.scanning7 The earth was a cloud of dust.
8 Water appeared on the earth.
9 Shellfish and other fish appeared.
10 The universe began with a “Big Bang”.
11 Clever animals with hands and feet appeared.
12 Mammals appeared.10 7 3 8 4 9 6 1 5 2 12 11Time order: How did the earth come into being? After a ‘Big Bang’ of the universe, for billions of years, the earth was just a cloud of ____, which settled into a solid _____ later. The earth ________ loudly with fire and rock, producing water _________ and gases, which were to make the earth’s __________. As the earth cooled down, _____ began to appeared on its surface, which was to be ___________ to the development of life.dustglobeexplodedvapouratmospherewaterfundamentalHow did life come into being? Millions of years later, an extremely small ________ appeared on the surface of water, followed by the development of ________ and all sorts of fish. Next, green plants began to grow on ____ , with which land ________such as insects, amphibians appeared. When plants grew into ______, reptiles and dinosaurs appeared. With the sudden _____________ of dinosaurs, mammals began their life on the earth. It was about 2.6 million years ago that _______ ________ came into existence.plantsshellfishlandanimalsforestsdisappearancehumanbeings
A serious problem :
Many scientists believe the earth may become too hot to live on. DiscussionWhat will our future be if the earth continues becoming hot? What should we do for our earth?
and
the first woman,
Eve
Scientific Theories How life began on EarthQuiz 1.Who wrote “The Origin of Species ” (物种起源)?
Newton
Einstein
Charles Darwin2.How many planets are there in the Solar System?
A 7 B 8 C 9 4. Which one belongs to reptile?A. frog B. snake C. duck
D. Fish E. bird F. dog3. Which one belongs to amphibian?5. Which one belongs to mammal?ABF6. Which gas is the most important for life?
carbon dioxide (CO2 )
B. oxygen (O2)
C. nitrogen (N2)
( ) 1. No one knows how the earth came into existence.
( ) 2. Stars and other bodies were created after a ‘Big
Bang’ of the universe.
( ) 3. After billions of years, the earth exploded and
produced gases, which were to become atmosphere
of the earth.
( ) 4. There is water on earth as well as on Mars.SkimmingTrue or FalseTTTF( ) 5. Plants appeared later than fish.
( ) 6. Land animals came into being as green plants
began to grow on land.
( ) 7. Scientists have found out why dinosaur
suddenly disappeared.
( ) 8. It was 2.6 million years ago that human beings
appeared on the earth.FTTFPara. 1 How the earth came into being.
Para. 2 The importance of water for life.
Para. 3 A theory about how the universe
came into being.
Para. 4 The arrival of humans and their
impact on the earth.
Para. 5 The development of plants and
animals on the earth.Put the correct time order of development of life1 Insects and amphibians appeared.
2 Dinosaurs appeared.
3 The earth became a solid ball.
4 Small plants grew on the water.
5 Reptiles appeared.
6 Plants began to grow on dry land.scanning7 The earth was a cloud of dust.
8 Water appeared on the earth.
9 Shellfish and other fish appeared.
10 The universe began with a “Big Bang”.
11 Clever animals with hands and feet appeared.
12 Mammals appeared.10 7 3 8 4 9 6 1 5 2 12 11Time order: How did the earth come into being? After a ‘Big Bang’ of the universe, for billions of years, the earth was just a cloud of ____, which settled into a solid _____ later. The earth ________ loudly with fire and rock, producing water _________ and gases, which were to make the earth’s __________. As the earth cooled down, _____ began to appeared on its surface, which was to be ___________ to the development of life.dustglobeexplodedvapouratmospherewaterfundamentalHow did life come into being? Millions of years later, an extremely small ________ appeared on the surface of water, followed by the development of ________ and all sorts of fish. Next, green plants began to grow on ____ , with which land ________such as insects, amphibians appeared. When plants grew into ______, reptiles and dinosaurs appeared. With the sudden _____________ of dinosaurs, mammals began their life on the earth. It was about 2.6 million years ago that _______ ________ came into existence.plantsshellfishlandanimalsforestsdisappearancehumanbeings
A serious problem :
Many scientists believe the earth may become too hot to live on. DiscussionWhat will our future be if the earth continues becoming hot? What should we do for our earth?
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