Astronomy: the science of the stars Unit 4 Hangzhou HighSchool Observatory.
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Transcript of Astronomy: the science of the stars Unit 4 Hangzhou HighSchool Observatory.
![Page 1: Astronomy: the science of the stars Unit 4 Hangzhou HighSchool Observatory.](https://reader035.fdocuments.in/reader035/viewer/2022062423/5697bfd31a28abf838cac39b/html5/thumbnails/1.jpg)
Astronomy: the science of the stars
Unit 4
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Hangzhou H
igh Sch
ool Observatory
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In our solar system eight planets
circle around the sun.
1111
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My Very Excellent Mother Just
Sent Us Nine Pizzas
How to remember the order of
the eight planets around the sun?
Earth
Jupiter
MarsMercury
NeptuneSaturn Uranus
Venus
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Chinese Legends
Pangu separates the sky from the
earth.
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Legend: The Goddess Nuwa mended the heaven and created human beings from the clay(粘土 ).
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Religious Beliefs
According to Bible , God created the world in seven days.
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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 tow great lights(the sun, the moon) and stars.
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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 rested and called this day Holy.
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Unit 4
How Life Began on the Earth
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1 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.
scanning
Reading Comprehension III
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7 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.
Answer: 10 7 3 8 4 9 6 1 5 2 12 11
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Detailed Reading
The development of the earth
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Stage 1: The development of the earth
(1) After the Big Bang, what happened?
a cloud of dust a violent solid globe
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exploded with fire and rock
produced carbon,nitrogen ,water vapour& gases
(2) What happened next?
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(3) What did the water vapour and gases form?
the earth’s atmosphere
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Water appeared
(4) What appeared on the earth then?
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(5) What did the water form?
oceans and seas
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The development of life
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extremely small plants
First
early shellfish
Stage 1: The development of life in water
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all sorts of fish
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green plants on land insects on land
Stage 2: The development of life on land Next
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amphibians on land and in the water
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Green plants grew into forests Later
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reptiles on land dinosaurs on land
(1) What life developed after forests appeared?
After that
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mammals on land
(2) What life developed after dinosaurs?
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small clever animals
(3) What life developed after mammals? Finally
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1. Big Bang2. a cloud of dust
3. A solid globe4. exploded with fire and rock
5. produce the water vapour, carbon dioxide---atmosphere
How did the earth come into being?
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6. cooled down 7. water appeared
8. Dissolved harmful gases &acid
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Group Discussion
1. What problems are caused by human beings?
2. How to solve these problems?
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Homework
1. Find out language points and noun clauses in the reading passage.Discuss and analyse them.
2. Writing: Rewrite the passage and use as many language points and new words as possible.