Unit 5 Look into Science.Lesson 30 Science Affects Us. 教案

Unit 5 Look into Science
Lesson 30 Science Affects Us
1. Analysis of the Students
The students of Grade 9 have mastered certain vocabularies，expressions and structures. They also have the abilities of self-teaching and working in groups. Most of them are willing to express their opinions in English.www-2-1-cnjy-com
2. Analysis of Teaching Content
Lesson 30 is the sixth lesson in Unit 5, Book 5.This unit focus on the subject Look into science, also teach the students something about science. Students cares about the subject because it is close to everyone. Lesson 30 mainly talks about the experiments of Wang Mei and Jenny, this lesson also talks about the science affects to us. It asks the students can describe the experiments.
【知识目标】
To master the word : mobile phone, suggest, affect, discovery.21*cnjy*com
2. To master the phrases: turn… over, push up, push down, in place.2-1-c-n-j-y
【能力目标】
Improve the students’ ability of speaking, listening, reading and writing.【来源：21cnj*y.co*m】
【情感目标】
Know more about the nature, and establish a scientific outlook on life.【出处：21教育名师】
【教学重点】
To master the words and phrases.
【教学难点】
To master the meaning of the passage, conclusion the knowledge of this unit.

Tape recorder, Multimedia
Step 1. Warm-up
1. Enjoy a video about the experiment.
2. Free talk: What would life be like without computers or mobile phones?
Step 2. Presentation
Explain the new words.
Show the pictures of Jenny and Wang Mei to elicit the lesson.21教育网
Read the lesson and fill in the blanks:
Science affects people’s___________ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or__ _______? Scientific__________ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will__________ the world.
Check the answers.
Explain the language points:
suggest v. 建议，提议
1) suggest sth. to sb. 向某人建议某事
2) suggest doing sth. 建议做某事
3) suggest that 建议……
4) suggestion n. 建议
better and better
比较级+and+比较级: “越来越……”。
My sister is getting more and more
beautiful.
我姐姐变得越来越美丽了。
lie, lay, lain与 lying的区别
lie vi. 躺，平放
过去式lay，过去分词lain，现在分词 lying
David was lying in the shade of the tree.
大卫正躺在树荫下。
Jerry lay down on his bed.
杰瑞躺在床上。
lay vt. / vi. 放，置
过去式laid，过去分词laid，现在分词laying
Lay them on the floor. 把它们放在地板上。
lie vi. 说谎
过去式lied过去分词lied，现在分词lying
I’m sorry I lied to her. 我很抱歉向她撒了谎。
She is always telling a lie. 她总是说谎。
Step 3. Practice
Listen and follow to the tape.
Fill in the blanks with the correct forms of the words in the box.21世纪教育网版权所有
discover, affect, suggest, place, develop
Jenny________ they use a stronger piece of cardboard for the experiment.
The air pressure__________ the result of the experiment. 21cnjy.com
The experiment led to a wonderful__________.
What are your plans for the_________________ of your company? 21·cn·jy·com
They used a rock to hold the map in__________.
Check the answers.
Group work: (1) Have you ever done any interesting experiments?www.21-cn-jy.com
Can you describe one of them?
Report.
Step 4. Consolidation
1. Group work:
Here are some inventions. How do they affect our everyday lives? Talk about them with your partner.2·1·c·n·j·y
TV, camera, radio, computer, telephone, light bulb, clock, washing machine, compass, telescope, X-ray, eyeglasses【来源：21·世纪·教育·网】
Writing:
Write a letter about your experiments you have did to your pen pal.21·世纪*教育网
Step5 Homework
1. Listen and read.
2. Finish exercises of this lesson.
略。