人教版高中英语必修3Unit4 Astronomy: the science of the stars阅读教学课件 （共32张）
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| 名称 | 人教版高中英语必修3Unit4 Astronomy: the science of the stars阅读教学课件 （共32张） |  | |
| 格式 | zip | ||
| 文件大小 | 3.1MB | ||
| 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 21:02:53 | ||
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课件32张PPT。Unit 4
Astronomy: the science
of the stars
ReadingUnit 4How Life Began on the 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 (爬行动物）?A. frog B. snake C. duck
D. fish E. bird F. dog3. Which one belongs to amphibian (两栖动物) ?5. Which one belongs to mammal（哺乳动物）?ABF6. Which gas is the most important for life?
carbon dioxide (CO2 )
B. oxygen (O2)
C. nitrogen (N2)
大爆炸宇宙产生示意图地球大气The earth’s
atmospherenitrogenoxygendioxidecarbonvapour It was full of water.海洋里的细胞开始分裂 爬行动物恐龙Mammals人类的兴起
The importance of water for life
A widely accepted theory about
the formation of the universe
The development of plants and
animals on the earth
The arrival of humans and their
impact on the earth
The formation of the earthPara.1Para. 2Para. 3Para. 4Para. 5The main idea for each paragraph.Careful ReadingPut the events into a timeline. 1. Insects and amphibians
appeared.
3. The earth became a solid
ball.
5. Reptiles appeared.
7. The earth was a cloud of
dust.
9. Shellfish and other fish
appeared.
11. Clever animals with
hands and feet appeared.2. Dinosaurs appeared.
4. Small plants grew
on the water.
6. Plants began to grow
on dry land.
8. Water appeared on
the earth.
10. The universe began
with a “Big Bang”.
12. Mammals appeared.1. Why was the earth different from other planets?
The water remained.
2. Why did the plants grow before the animals came?
Because plants provide oxygen for animals to breathe. Answer the questions.Fast Reading3. Why is it wrong in films and stories to show dinosaurs and people together?
Because dinosaurs died out long before human beings developed on the earth.4. There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it?
Pluto. Scientists now think it is too small to be called a planet. 5. Why do you think that humans are the
cleverest animals on the earth?
They are the cleverest animals because
they have larger brains than any other
creature on the earth so far.
6. What problem is caused by human
beings?
They cause global warming. Combine into Explode with fire and rockdissolve harmful gases Big BangEnergetic dusta violent solid ballAtmosphereWateroceans and seasCool down Finish the following form.Para 1-3A cloud of energetic dust A solid ballAtmosphere A world full of water4132dissolve harmful gases Fill in the blanks with the proper words.After the _________, the earth was a cloud of
______________. Later the dust began to _______
into______. And then it ________ loudly with fire
and rock , which were in time to _________ the
water vapour , carbon dioxide, …which were to
make the earth’s ____________. As the earth
_______ down, _____ began to ________ on
its surface. Water had ____________ from
planets or satellites, but it _______on the earth.
That made it possible for life to begin to ______ .energetic dustcombineexplodedproducecooledappear disappearedstayed develop“Big Bang”a ball atmospherewater1. small plants
in water2. shellfish and all
sorts of fish3. green plants
on land4. insects (on land)
5. amphibian (on land and in water)6. forests7. reptiles (on land)
8. dinosaurs (on land)
9. mammals(on land)Para 4: Finish the following form.arrival of small
plants in waterearly shellfishplantsanimals all sorts of fishearly shellfishA few kindsmany kindsPlants in the waterPlants on landwaterlandinsectsdinosaurs simplecomplex lowMan had evolved from apes. 达尔文(进化论)advancedDesign an activity on Earth DayWhat is the activity is about?
Why is the activity is designed?
When and where is the activity?
Who takes part in the activity?
What is to be done in the activity?
…How can we protect the earth and make it a better place to live on?Homework1. Search the Internet for
information of the development
of life and find more solutions
to global warming.
2. Finish the exercises on page 28.Thank you.
Astronomy: the science
of the stars
ReadingUnit 4How Life Began on the 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 (爬行动物）?A. frog B. snake C. duck
D. fish E. bird F. dog3. Which one belongs to amphibian (两栖动物) ?5. Which one belongs to mammal（哺乳动物）?ABF6. Which gas is the most important for life?
carbon dioxide (CO2 )
B. oxygen (O2)
C. nitrogen (N2)
大爆炸宇宙产生示意图地球大气The earth’s
atmospherenitrogenoxygendioxidecarbonvapour It was full of water.海洋里的细胞开始分裂 爬行动物恐龙Mammals人类的兴起
The importance of water for life
A widely accepted theory about
the formation of the universe
The development of plants and
animals on the earth
The arrival of humans and their
impact on the earth
The formation of the earthPara.1Para. 2Para. 3Para. 4Para. 5The main idea for each paragraph.Careful ReadingPut the events into a timeline. 1. Insects and amphibians
appeared.
3. The earth became a solid
ball.
5. Reptiles appeared.
7. The earth was a cloud of
dust.
9. Shellfish and other fish
appeared.
11. Clever animals with
hands and feet appeared.2. Dinosaurs appeared.
4. Small plants grew
on the water.
6. Plants began to grow
on dry land.
8. Water appeared on
the earth.
10. The universe began
with a “Big Bang”.
12. Mammals appeared.1. Why was the earth different from other planets?
The water remained.
2. Why did the plants grow before the animals came?
Because plants provide oxygen for animals to breathe. Answer the questions.Fast Reading3. Why is it wrong in films and stories to show dinosaurs and people together?
Because dinosaurs died out long before human beings developed on the earth.4. There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it?
Pluto. Scientists now think it is too small to be called a planet. 5. Why do you think that humans are the
cleverest animals on the earth?
They are the cleverest animals because
they have larger brains than any other
creature on the earth so far.
6. What problem is caused by human
beings?
They cause global warming. Combine into Explode with fire and rockdissolve harmful gases Big BangEnergetic dusta violent solid ballAtmosphereWateroceans and seasCool down Finish the following form.Para 1-3A cloud of energetic dust A solid ballAtmosphere A world full of water4132dissolve harmful gases Fill in the blanks with the proper words.After the _________, the earth was a cloud of
______________. Later the dust began to _______
into______. And then it ________ loudly with fire
and rock , which were in time to _________ the
water vapour , carbon dioxide, …which were to
make the earth’s ____________. As the earth
_______ down, _____ began to ________ on
its surface. Water had ____________ from
planets or satellites, but it _______on the earth.
That made it possible for life to begin to ______ .energetic dustcombineexplodedproducecooledappear disappearedstayed develop“Big Bang”a ball atmospherewater1. small plants
in water2. shellfish and all
sorts of fish3. green plants
on land4. insects (on land)
5. amphibian (on land and in water)6. forests7. reptiles (on land)
8. dinosaurs (on land)
9. mammals(on land)Para 4: Finish the following form.arrival of small
plants in waterearly shellfishplantsanimals all sorts of fishearly shellfishA few kindsmany kindsPlants in the waterPlants on landwaterlandinsectsdinosaurs simplecomplex lowMan had evolved from apes. 达尔文(进化论)advancedDesign an activity on Earth DayWhat is the activity is about?
Why is the activity is designed?
When and where is the activity?
Who takes part in the activity?
What is to be done in the activity?
…How can we protect the earth and make it a better place to live on?Homework1. Search the Internet for
information of the development
of life and find more solutions
to global warming.
2. Finish the exercises on page 28.Thank you.
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