新高一英語教案Unit 16
2. enable the students to know the serious attitude to science.
（二）整體感知 step 1 pre-reading
we all know that it is the scientists’ great effort that makes the great achievement on science. could you name some scientists’names? and what are they famous for? try to fill in the blanks of the following form, if you。can’t, ask your classmate to help you.
form: in the 18th & 19th centuries scientists all over the world made many important discoveries.
give some example. /physics/medicine/chemistry/biology step 2：presentation
as we all know ,benjamin franklin is a famous politician.but today, we will read a passage about him as a scientist. his serious attitude to science .let’s see how franklin made his famous electricity experiment by flying a kite.
(三)教學過程 step 3
get the students read the test and then decide if the following statements are 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 he kite from flying away.
參考答案 1.t 2.f 3.f 4.t 5.f step 4 read he passage and then find out the main idea.
paragraph 1 introduction of franklin’s experiment.
paragraph 2—3 the process of出e experiment.
paragraph 4—6 the tip of doing the experiment. step 5
deal with the language points. ask the students to pick out the useful expression from the text, give them more examples, and do some exercises to practice the language points. step 6
play he tape for the students to listen and follow.
(四)總結、擴展
step 7
students make a conclusion of de process of franklin’s experiment and retell the tips of doing the experiment. step 8
do the exercises in the post-reading.
(五)隨堂練習單句改錯
1.a great number of milk is produced in that factory every day.
2.paper is made of a certain in kind of grass.
3.this cloth is felt smooth.
4.use an umbrella to prevent you from the rain.
5.it is important of us to learn english.
參考答案 1.number改為deal 2.of改為from 3.is felt改為feels 4.prevent改為protect 5.of改為for
period 3