4.tie a long string to the cross
string
tail
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 a key to the end of the long string
with rain and strong winds D. silk kite is cheaper
2. Which is not stated but can be inferred from the text?
A. Franklin did the experiment with the kite.
⑤A key was fastened to the end of the string.
⑥ A ribbon was tied to the string. A. 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
True or false?
哲学家
政治家
The original one
If you would not be forgotten, as soon as you are dead and rotten, either write things worth reading, or do things worth the writing.
Para 5 What are the three steps to do the experiment?
Para 6 How to do the experiment with a kite, a key and a condenser?
Task 2
Look at the textbook and listen to the tape carefully.
Franklin’s Famous Kite Experiment
Things needed
Functions
a silk kite to last longer in bad weather
a key
to direct electricity towards the condenser
bad weatherto have lightning
Para 1 Introduction Para 2 Whydid Franklin do the experiment Para 3 How did Franklin succeed in doing
the experiment?
Para 4 How to make a special kite for the experiment?
•electric bulb
Edison
Bell
I~t iwsacsoAnsliedxearneddetro Bhealvlewihnoveintveedntehde ttheeletpehleopnheo. ne.
Elbert Einstein
•theory of relativity
•the law of gravitation
Things needed
Functions
wooden
sticks
to build the frame of the by making a small cross
kite
a string
a sharp piece of metal
to control the kite by tying a long string to the cross
a kite
bad weather( thunderstorm) a shed
a key
a condenser
things we need
What do we need to make the kite?
How to make Franklin’s kite?
a sharp piece of metal (one foot or more)
Benjamin Franklin
(1706-1790)
American statesman; inventor; writer; scientist and diplomat. He signed the Declaration of Independence and the Constitution of the United States
Find the words that fit the descriptions
c_on_d_u_c_t_ allow(heat,electricity etc) to pass into
a battery.
pr_o_v_e___ show that sth is true or certain by
He worked on medicine.
He was killed by CaoCao(曹操).
HuaTuo (华佗)
He invented the anesthetic named Mafeisan(麻沸散)
Laite Brothers Madame Curie
•radium
Are these discoveries important?
★Regarded as the US founding father
★ Author of Poor Richard’s Almanac, a book of smart sayings and facts ★ Librarian ★ printer ★ politician ★ inventor
Life without electricity
Benjamin Franklin
1706-1790
Do you know?
He was born on January 17, in Boston in Masachusetts, and was the tenth child and youngest son of the family. His father was a candle maker. When he was young, he was not very good at math. He was curious and loved to learn about new things but he had only less than three years of formal education. He invented lightning rod.(避雷针) He helped set up America’s first city hospital. He also helped to found a new nation. He helped to write the Declaration of Independence. He was a successful businessman, an inventor, a writer, a scientist and a world-famous statesman.
to attract electricity
to protect you from the
a silk ribbon electrif
condenser
silk ribbon
wooden sticks
CkiotnesolidexapetKriiitomenent shed
T 4.A condenser was used in the experiment to store electricity.
together make sth clear or easy to understand
While-reading
Task 1
Read the text quickly and try to get the main idea of each paragraph.
Franklin’s famous kite experiment
a condenser to collect and store electricity
to keep himself and his tools
a shed
dry so that he himself would not be hit by the lightning
Franklin’s Famous Kite Experiment
B. Franklin’s experiment with electricity was dangerous.
C. Franklin failed the experiment again.
D. The experiment was conducted in bad weather.
3. Which of the following is in the correct order?
key
a sharp piece of metal
string
bad weather
Post-reading
Exercise 1
Multiple choice
1. Franklin made the kite of silk because ______.
A. wet silk does not conduct electricity B. silk kite flies high C. silk kite will last longer in weather
No. 2 Middle School, Shijiazhuang Duanjianru