2020-2021学年Lesson 30 Science Affects Us优质教学设计

这是一份2020-2021学年Lesson 30 Science Affects Us优质教学设计，共2页。


环节1 新课导入[来源:学§科§网Z§X§X§K]
A duty reprt.
设计意图：为学生创造口语表达的机会，锻炼口语交际能力。
环节2
Ask the students read the passage by themselves and underline sme imprtant phrases.
Ask the students t read the text silently and answer the fllwing questins.
What did Jenny describe in her e­mail？(Brain，Danny and she did an experiment in science class.)
Which f the air pressure is higher，pushing up n the cardbard r pushing dwn frm inside the jar？(Pushing up n the cardbard.)
Why is science imprtant？(Scientific discveries are making ur lives better and better.)
Then d Exercise 1 and 2 tgether.[来源:学|科|网Z|X|X|K]
Wrk in pairs and discuss the tpic in Exercise 3.
要点点拨。
（1）surprise v.使某人大吃一惊；n.惊奇
（2）push up n/push dwn n，向上托举/向下压
（3）better and better 越来越好
比较级＋and＋比较级：表示“越来越……”。
（4）every day 每天，作状语；everyday形容词，每天的，日常的，作定语。.
设计意图：让学生能抓住文中重点词汇和句型，熟读记忆。
请完成本课对应训练！重点单词
affect v. 影响
suggest v. 建议，提议；暗示
develpment n. 发展
mbile phne n. 移动电话
discvery n. 发现；发觉
重点短语
使……翻转[来源:学+科+网]
push up 向上推
push dwn 向下按
in place 原地；在适当的位置
better and better 越来越好
重点句子
1.The air pressure pushing up n the cardbard is higher than that f the water pushing dwn frm inside the jar. 压在纸板上的气压比从罐子里往下推的水要高。
2.The higher air pressure utside the jar hlds the cardbard in place. 罐子外面的空气压力越大，纸板就会固定住。
3.Scientific discveries are making ur lives better and better. 科学发现使我们的生活越来越好。
教学难点
比较级＋and＋比较级
Unit 4 Stries and Pems
第六课时 Lessn 24: Writing a Pem
, push up, push dwn, in place, better and better
1.The air pressure pushing up n the cardbard is higher than that f the water pushing dwn frm inside the jar.
2.The higher air pressure utside the jar hlds the cardbard in place.
3.Scientific discveries are making ur lives better and better.