Newton

The theory of gravity

Darwin (The theory of evolution)

Thomas Edison

The electric bulb

Benjamin Franklin

American statesman( 政治家） , inventor, writer, and scientist. (1706-1790)

Word Study• conduct v. 导电• lightning n. 闪电• thunderstorm n. 雷暴雨• condenser n. 冷凝器，电容器• shed n. 小屋，车棚• string n. 线 , 细绳• charge v. 充电• electric shock 电击• tear v. 撕掉，扯下• frame n. 框架• cross n. 十字架，十字形• handkerchief n. 手帕• tail n. 尾部，尾巴• stick n. 杆，棍• ribbon n. 丝带• fasten v. 栓紧，使固定

Part1(Para1)

Part3(Para 4-6)

•the tips （建议） of doing the experiment

•the process ( 过程） of the experiment

Part2(Para2-3)

•the introduction of the experiment

Fast-reading match the main idea with

each part

Result

Time

Purpose

Experiment’s name Kite Experiment

To show that lightning and electricity are the same

In June 1752

The string was getting charged, “I” collected and stored a great deal of electricity in the condenser.

Listen to part one and part two

carefully, then try to complete the

following chart.

things we need

a kite bad weather( thunderstorm)

a key a condenser

a shed

Which ones are correct according to the text?

Tie the corners of the handkerchief

Add a tail to the frame

Fasten a key to the end of the long string

Build the frame of the kite

Tie a long string to the cross

Fix a sharp piece of metal to the top

Tie a silk ribbon to the string

2

7

45

36

1

put these sentences into correct order:

① Build the frame of the kite by making a small cross

② Tie the corners of the handkerchief to the points of the cross

③ Add a tail to the frame④ Tie a long string to the cross⑤ Fix a sharp piece of metal to the top⑥ Fasten a key to the end of the long

string⑦ Tie a silk ribbon to the string

Draw a kite according to these sentences

Draw a sketch( 草图 ) of the kite which was used in the experiment accord

ing to the instruction.

Make a kite

1.build the frame by making a small cross

2.tie the corners to the points of the cross

3.add a tail to the frame 4.tie a long strin

g to the cross

5.fix a sharp piece of metal to the top of the longer stick

6.fasten a key to the end of the long string 7.tie a silk ribbon

to the string above the key

Metal: pull the electricity from the cloud

Tail: keep the balance of the kite

Key : conduct the electricity into the condenser

Ribbon: made it safe to hold the string

Shed

Franklin and his son stand inside a door or some Franklin and his son stand inside a door or some cover, fly the kite when a thunderstorm appears to be cover, fly the kite when a thunderstorm appears to be coming on. When a thunderstorm comes over the kite, coming on. When a thunderstorm comes over the kite, the sharp piece of medal will pull the electricity from the sharp piece of medal will pull the electricity from the cloud. The kite and the string will become the cloud. The kite and the string will become charged.charged.

Condenser

Key

Ribbon

They collect and They collect and store the electricity store the electricity in the condenser.in the condenser.

The original one

What do you think made Franklin a great scientist ? Can you list great scientists ’ qualities （品质） ?

Discussion

confidence( 信心） , diligence （勤奋） , courage （勇气） , willpower( 毅力 ) ，chance( 机遇）．．．．．．

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.

prove

attract silk

tear fixed

fastened end

tied ribbon above

Fill in the blanks:

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 _____________.

thunderstorm shed

stand up charged

electric shock condenser

collect

Fill in the blanks:

electricity