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Unit13 The Water Planet

Hongqiao middle school Chen Suirui

Period 1. Reading

Period 2. Speaking

Period 3. Language Study

Period 4. Listening

Period 5. Integrating Skills

Period 1 READING

Why is it blue?

Water Planet

1.What else have you learned about water and the water planet?

3.Do you know any properties of water?

2.What would happen if there were no water on our planet?

Activity 1. Structure of the passage

1 minute to skim the passage and fill in the chart below. You do not need to read the whole text.

The properties of water

chemical structure

salinity

density

heat capacity

ocean motion

two hydrogen atoms and one oxygen atom; the water molecule is polar

break down nutrients quickly; a liquid at room temperature; a relatively high freezing point

the relationship between mass and volume; pure water 1 000 kg/m3;one cubic metre of water weighs one thousand kilogrammes

help small creatures float; the oceans never freeze totally

the amount of energy it takes to raise the temperature of a substance one degree centigrade;relatively high

keep the ocean at a steady temperature; keep the temperature of the earth steady

The following experiments will illustrate some of the key properties of water. Examine them carefully, explain what happens and why, using the information from the reading material.

Activity 2.

Experiment 1: Pour water and vegetable oil into a glass. What happens? Why?

Experiment 2: Fill one glass with fresh water and another glass with salt water. Put an ice cube in each glass. What happens? Why?

Experiment 3: Put a piece of chalk in water for 24 hours. What happens? Why?

Experiment 1: Pour water and vegetable oil into a glass. What happens? Why?

Experiment 2: Fill one glass with fresh water and another glass with salt water. Put an ice cube in each glass. What happens? Why?

Experiment 3: Put a piece of chalk in water for 24 hours. What happens? Why?

They are floating on the surface of Dead Sea. Can you explain how they can do this?

Why must we learn about the properties of water?

We must protect water and use it wisely!

Period 2 SPEAKING

How is water used in different ways?

Electricity

Agriculture

Home use

Industry

Transport

Entertainment

……

How is the water being used in …?

Why do we use water in this way?

Is it a good way to use water?

Who benefits from using water in this way?

What are the disadvantages if doing so?

Can you think of a better way to solve the problem?

What will we do if …?

Questions for you to ask and answer:

Useful expressions:

The water being used to/for…

We should/could …

What will we do if …?

If we …, we can …

It would be better to …

Can you think of a better way to …

We should do all we can to protect water from being polluted!

.

Water-saving methods at home

Discuss with your partners to work out some useful and practical ways to save water at home?

Design a poster to show people the importance of using and protecting our water!

Do not let your tear be the last drop of water in the world!

Period 3

WORD STUDY

Modal Verbs:

Possibility: can/could,may/might

Ability: can/could,be able to

Requests: can/could,will/would,would like

Necessity: must,have to,have got to,need

Certainty: must,will,should

Permission: can/could,may/might

Suggestions: could may/might,shall

Advice: should,ought to,had better

Period 4 LISTENING

Coleridge, Samuel Taylor(1772-1834), English poet,critic and philosopher who was a leader of romantic movement.

Who tells the story in the poem?

2.What does one of the sailors do?

3.What do you think will happen next?

4.Why are the sailors frightened?

Listen to the story and answer the questions.

Part 1

Listen to the story and answer the questions.

Part 2

1. What happens to the sailors?

2. What happens to the mariner? Why?

3. Why is the person telling the story?

4. Tell the story to your classmates.

There are many poems about the ocean and the life of sailors and fishermen. Work with your partner and see whether you can find another poem or story like this.

If not, can you come up with a good, scary story like the one about the mariner?

Period 5 INTEGRATING SKILLS

READING:

NATURE'S NURSERY:

ESTUARIES

Activity 1. Finding Topic Sentences

Topic Sentence of Paragraph 1

Sentence:

As the oceans are the source of life on earth,

the estuaries are our planet's nurseries.

Topic Sentence of Paragraph 2

Sentence:

Estuaries are great places for nature's young ones.

Topic Sentence of Paragraph 3

Sentence:

Estuaries are also important because they absorb

nutrients and pollutants from water coming from

inland sources, thus cleaning our water.

Topic Sentence of Paragraph 4

Sentence:

Estuaries provide both recreation and education

for human beings.

Activity 2. Structure of the passage

1

2

4

3

1

2

4

3

1

2

3

4

√

Activity 3. Answering the questions

1.Why are estuaries such good places for nature's young ones?

2.What does density mean in this passage?

3.How do estuaries affect the water that passes through them?

4.Why are estuaries more sensitive to pollution than other areas?

5.Why are estuaries important to human beings?

Activity 4. Word Study

the body of water where a river

meets the ocean

b. warm-blooded vertebrate animals

to generate (offspring) by sexual

or asexual means.

something that pollutes, especially

a waste material

e. the process of eroding or the

condition of being eroded

f. refreshment of one's mind or body after work through activity that amuses or stimulates

pollutant

estuary

recreation

mammal

reproduce

erosion

1.?What’ the problem with life in the oceans?

2.?What has caused the problem?

3. What’s the relationship between human beings and the oceans?

4.?What can we do to protect the sea?

Summarize the problems the living things in the oceans are facing, with the following questions for reference.

Caring for the living things in the oceans

1. Look through the given information carefully and get a general idea about what to write.

2. Write out /draw up an outline .Generally speaking, some key words ,key expressions or key sentences .(Remember to cover all the key points. )

3.Decide which verb tense/tenses you are to use.

Pre-writing

When you are working on your writing ,pay attention to your handwriting, meanwhile, polish each sentence by using good expressions and structures, making sure what you’ve written is logical.

While-writing

by using with structure

by using inversion structure

by using doing/done

by using compound sentence

by using set phrases and sentence structures

by using proper conjunctions and adverbs

How to polish your writing

Check the whole passage to make sure that there are no mistakes. (Look out for silly mistakes, which can spoil your writing .)

Post-writing

Thank you!