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I know you’re going to make it. It may take time and hard work. A poem NEVER GIVE UP Amanda Pierce I know you’re going to make it. It may take time and hard work. You may become frustrated, And at times you’ll feel like giving up. Sometimes you may even wonder if it’s really worth it. But I have confidence in you, And I know you’ll make it, if you try.

Find the words that fit the descriptions Pre-reading Find the words that fit the descriptions c______ lead or guide (sb. /sth.) c______ amount of electricity put into a battery or contained in a substance p______ show that sth is true or certain by means of argument or evidence(证据) t______ pull (sth) forcibly apart or away or to pieces f______ firmly attach sth to sth or two things together e______ make sth clear or easy to understand a______ become visible onduct harge rove ear asten xplain ppear

Success belongs to you!

It’s perfectly OK to be angry sometimes It’s perfectly OK to be angry sometimes.In fact,it’s important to get angry sometimes.However,__________, otherwise you will be like a pot of boiling water with the lid left on Don’t lose control if you get angry.

16 Unit Scientists at work

Do you know the names of some famous scientists Do you know the names of some famous scientists? What are they famous for? Please tell me who these scientists are according to my description.

Darwin Curie Newton Benjamin Franklin

Benjamin Franklin, 1706—1790, American statesman（政治家）, inventor, writer, and scientist. He was one of the founding fathers of the united states of America. He was a completely self-made man. Through hard work and study he became a very rich and most influential(有影响力的) man in the town where he lived.

Franklin’s famous kite experiment

Franklin’s famous kite experiment What will the passage talk about?

Go through the passage and find out how many parts will the passage be divided into?

Two parts: 1.Why and How did Franklin do his experiment 2.How can you make a successful kite experiment?

Go through the text quickly and try to get the main idea of each paragraph.

Franklin’s famous kite experiment Introduction Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Why did Franklin do the experiment Process of the experiment How did Franklin succeed in doing the experiment? How The tips of doing the experiment to make a special kite for the experiment? What should be done to get ready for the experiment? How to do the experiment with a kite, a key and a condenser?

Can you tell me the meaning of the words according to the text? 1.conduct a number of experiments(para1) 2.conduct the electricity (para6) 3.attract lightening(para2) 4.get charged (para3) 5.will not tear so soon(para4.) 6.condenser(para3,last para)

How to guess the meaning of the words? 1.according to the common knowledge 2.from the context

Scanning Read the passage quickly and silently, and then answer the following questions: 1. Why did Benjamin Franklin do this experiment with the kite? 2. Why is it better to make the kite of silk than of paper? 3. Do you think Franklin’s experiment was dangerous? Why?

He wanted to prove that lightning and electricity are the same thing. Why did Benjamin Franklin do this experiment with the kite? 2. Why is it better to make the kite of silk than of paper? 3. Do you think Franklin’s experiment was dangerous? why He wanted to prove that lightning and electricity are the same thing. A silk kite last longer in bad weather than a paper kite. Yes. Franklin’s experiment was very dangerous because if something went wrong he could be killed by the lightening.

A record of the experiment Name Time Attendee Purpose Things needed Kite Experiment In June 1752 Franklin and his son Lightning and electricity are the same. a kite, a key, some really bad weather and a condenser

Skimming What do you need to do the experiment? Read the text again and quickly find the answers to the following questions! What do you need to do the experiment?

What do you need to do the experiment? bad weather( thunderstorm) a kite a shed a condenser a key things we need

What do we need to make the kite? How to make Franklin’s kite? Find out the verbs.

Make a small cross,build the frame,tie the corners to the points of the cross,add a tail to the frame, tie a long string to the cross . Fix a sharp piece of metal to the top of the longer stick of the cross. Fasten a key to the end of the long string Tie a silk ribbon to the string,just above the key.

Instruction ① A small cross of two pieces of light wood. ② Tie the corners of a handkerchief to the points of the cross. ③ Add a tail to the frame. ④ Tie a long string to the cross. ⑤ Fix a sharp piece of metal to the top of the longer stick of the cross. ⑥ Fasten a key to the end of the long string. ⑦ Tie a silk ribbon to the string.

Work in pairs and draw a picture of the kite and show how we do the kite experiment and describe your picture.

sharp piece of metal “cross” tail Long string Silk ribbon One foot or more “cross” tail Long string Silk ribbon

What do we need to make the kite in the experiment? How to make Franklin’s kite? a sharp piece of metal 5.fix a sharp piece of metal to the top of the longer stick two pieces of light wood 1.build the frame by making a small cross a handkerchief 2.tie the corners to the points of the cross 4.tie a long string to the cross strings 3.add a tail to the frame a silk ribbon 7.tie a silk ribbon to the string above the key 6.fasten a key to the end of the long string a key

Read the passage aloud and then do some comprehension exercises!

True(T) or False (F) 1. In 1752 scientists already knew what electricity is. ( ) 2. Franklin was helped by a friend to do the experiment. ( ) 3. Franklin made the kite of silk because wet silk does not conduct electricity. ( ) 4. A condenser was used in the experiment to store electricity. ( ) 5.The key tied to the string was put into the door to stop the kite from flying away. ( ) T F F T F

Exercise 1 Multiple choice How did Franklin prove that lightening and electricity are the same? By flying a kite with his son in the fields. By charging the string of the kite. By using a kite to attract lightening and a condenser to store electricity. By taking a condenser to a shed in a thunderstorm. By using a kite to attract lightening and a condenser to store electricity.

2. Which is not stated but can be inferred from the text? Franklin did the experiment with the kite. Franklin’s experiment with electricity was dangerous. Franklin failed the experiment again. The experiment was conducted in bad weather. B. Franklin’s experiment with electricity was dangerous.

3. Which of the following is in the correct order? ①The experiment proves that lightning and electricity are the same. ②The kite flew high in the rainy sky. ③He made a silk kite. ④Very sharp piece of metal was fixed. ⑤A key was fastened to the end of the string. ⑥ A ribbon was tied to the string. ④ ⑤ ⑥ ③ ② ① B. ③ ④ ⑤ ⑥ ② ① C. ④ ③ ⑤ ⑥ ① ② D. ③ ④ ⑤ ⑥ ① ②

summary Benjamin Franklin was a famous American scientist. In June 1752, he did a kite experiment to __________ that lightning and electricity were the same. He made a kite ,which could __________lightning. The kite was made of______ so that it would not ________ too soon. He _________ a very sharp piece of metal and then _______ a key to the ________of the long string and finally he______ a silk _______ to the string, just _______the key. When a __________ appeared, he went to a _________in the field and flew the kite to the sky. Soon he saw the hairs on the string _________ ______ because the string got________. He brought his finger to the string and felt a light but clear _________ ___________. With the help of a key and a ___________,he was able to __________ a great deal of electricity. prove attract silk tear fixed fastened end tied ribbon above thunderstorm shed stand up charged electric shock collect condenser

How to write an illustrative article(说明文）? You can begin like this: Today we did an experiment in physics 1.The purpose of it 2.The process of the experiment 2.The the result of it 3.What you have learned from the experiment? What is needed The steps of doing it