内容正文:
Unit 5
Lesson 25
Let's Do an Experiment!
学习目标
预习检测
知识梳理
课堂总结
学习
导航
重点探究
当堂检测
新课导入
In which subject do you often do experiments?
Have you ever done any experiments?
Do you like to do experiments?
1.掌握本课新单词: science, experiment, fill, prove, scientific, method.
掌握本课短语: do an experiment, fill…with, cover…with, turn…upside down, be (not) sure…
2.增强对科学实验的兴趣
学习目标
预习检测
1.We did ____ experiment in physics class.
A. a B. an C. any D. /
2.Please fill the bottle ____ water.
A. with B. of C. in D. for
B
A
3.Li Lei is ______ to carry this box.
A. too strong B. enough strong C. strong too D. strong enough
4.Are you sure ______ the coming football match?
A. to B. with C. of D. for
5.The ______ of the air keeps the water in the jar.
A. force B. forces C. pressures D. water
D
C
A
知识梳理
1.Then I turn the jar upside down and take my hand off the cardboard.
◆turn…upside down意为“把……翻转/倒过来”, 相当于turn over。upside down意为“正面朝下”。right side up意为“正面朝上”。
◆take…off…在本句中意为“使……离开/脱离……”或“把……从……拿开”。
【拓展】take off意为“摘掉,(飞机)起飞,脱掉”。
get wet
意为:变湿
get在本句中是系动词,意为“变得”后接形容词作表语
2. I think the floor will get wet.
拓展:get along with与…….相处
get away离开,逃脱
get back 取回,回来,报复
get off下车,动身
3. be sure of 意为“确信;对……有把握”。
4. put on 意为“穿上”。 “动词+副词”构成的短语。
e.g. I am sure of the fact. 我确信这个事实。
5. pour out:“倒出,使流出,涌出”。
pour…into…:“把……倒进……”。
6. It is+形容词+enough to do sth.”“做某事是足够……的”。
=too…to…=so…that…
e.g. : He is too old to go to school.
7. conclude from意为“从……推断,从……中得出”。
e.g. : What do you conclude from them?
你能从中得到什么结论?
介绍自己做实验的过程
What kinds of experiments have you done in science class?
Biological experiment
Physical experiment
Chemical experiment
探究一
Danny, Jenny and