When-was-it-invented-Selfcheck.doc

淄川实验中学初四英语教案 No.
授课内容
Unit4 When was it invented? Self check
课型
new
审阅
备课日期
Sep.
上课日期
Sep.
备课人

教学目标
（包括知识、情感、能力目标）
1.知识目标:
1. I don’t like eating chocolate. The taste is too sweet.
2. Mom added salt but it still wasn’t salty enough.
3. I prefer lemons to oranges. I like the sour taste.
4. She likes crispy cookies. They are hard, dry and easily broken.
2.能力目标:
(1) Train the students' reading skill on how to answer the questions.
(2) Train the students' writing skill by writing an article.
(3) Train the students' speaking skill.
3.情感目标:
了解诸多发明的历史, 从小立志长大后做一个有利于人类的发明家
教学重点
1.To teach the students so many new words in a single class.
2.To help the students understand the reading passage. .
教学难点
To direct the students to write the article.

教
学
过
程
教学内容设计
二次备课
Step 1 Revision
Revise the history of tea by retelling the story.
Step 2 Filling blanks (Self check 1)
Read the sentences in Part 1 and fill in the blank with a correct word.
crispy sweet salty sour
1. I don’t like eating chocolate. The taste is too sweet.
2. Mom added salt but it still wasn’t salty enough.
3. I prefer lemons to oranges. I like the sour taste.
4. She likes crispy cookies. They are hard, dry and easily broken.
Step 3 Make sentences .
Now you are asked to make your own sentences with each of the four words.
1. The snow is crispy. The crackers aren’t crispy. They must have got wet.
2. My coffee is too sweet—I put two spoonfuls of sugar in it. Do you like sweet drinks?
3. Sea water is very salty. This soup is very salty. I think you have put too much salt in it. 4. These oranges are as sour as lemons.
Step 4 Write about inventions (self check 2 )
Look at the pictures below and tell about what you see. Use as many examples of passive voice (questions and statements) as possible.
invention, history, inventor of, history of, who invented, invention of, fascinating facts.
The abacus
3000 BC - The abacus, built out of wood and beads, used the concepts of one set of objects standing in for objects in another set, but also the concept of a single object standing for a collection of objects—positional notation.
- Early tables, named abaci, formalized counting and introduced the concept of positional notation.
- Early man counted by means of matching one set of objects with another set (stones and sheep).
Umbrella
The basic umbrella was invented over four thousand years ago. We have seen evidence of umbrellas in the ancient art and artifacts of Egypt, Assyria, Greece, and China.
These ancient umbrellas or parasols, were first designed to provide shade from the sun. The Chinese were the first to waterproof their umbrellas for use as rain protection.
Step 5 Summary
Step6 Exercises

板
书
设
计
1.The article is about the invention of tea.
2.It was invented over three thousand years ago.
3.It was invented by the Chinese emperor, Shen Nong.
4.It was invented by accident.
作
业
同步训练
教
学
反
思