Astronomy: the science of the stars

Unit 4

Hangzhou H

igh Sch

ool Observatory

In our solar system eight planets

circle around the sun.

1111

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.