astronomy: the science of the stars unit 4 hangzhou highschool observatory
TRANSCRIPT
Astronomy: the science of the stars
Unit 4
Hangzhou H
igh Sch
ool Observatory
In our solar system eight planets
circle around the sun.
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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
Chinese Legends
Pangu separates the sky from the
earth.
Legend: The Goddess Nuwa mended the heaven and created human beings from the clay(粘土 ).
Religious Beliefs
According to Bible , God created 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 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 first man.
Day 7: God rested and called this day Holy.
Unit 4
How Life Began on the Earth
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
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
Detailed Reading
The development of the earth
Stage 1: The development of the earth
(1) After the Big Bang, what happened?
a cloud of dust a violent solid globe
exploded with fire and rock
produced carbon,nitrogen ,water vapour& gases
(2) What happened next?
(3) What did the water vapour and gases form?
the earth’s atmosphere
Water appeared
(4) What appeared on the earth then?
(5) What did the water form?
oceans and seas
The development of life
extremely small plants
First
early shellfish
Stage 1: The development of life in water
all sorts of fish
green plants on land insects on land
Stage 2: The development of life on land Next
amphibians on land and in the water
Green plants grew into forests Later
reptiles on land dinosaurs on land
(1) What life developed after forests appeared?
After that
mammals on land
(2) What life developed after dinosaurs?
small clever animals
(3) What life developed after mammals? Finally
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?
6. cooled down 7. water appeared
8. Dissolved harmful gases &acid
Group Discussion
1. What problems are caused by human beings?
2. How to solve these problems?
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.