Lesson 25 Let's Do an Experiment 2022-2023学年冀教版英语九年级上册(共15张PPT)

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名称 Lesson 25 Let's Do an Experiment 2022-2023学年冀教版英语九年级上册(共15张PPT)
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科目 英语
更新时间 2022-10-09 19:11:55

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(共15张PPT)
Lesson25 Let’s Do an Experiment
Unit 5 Look into Science
Lead-in
Think about it
Do you like to do experiments
What experiments have you done
Words and expressions
ex/pe/ri/ment
jar
up/side
pour
co/rre/ct
scien/ti/fic
n. 实验;试验
n.广口瓶
n.上部,上边
v.倒出;倾倒
adj.正确的,恰当的
adj.科学的
Words and expressions
me/thod
rain/coat
for/ce
pre/ssure
con/clu/de
n.方法;办法
n.雨衣
n.力量
v.迫使;强迫
n.压力;压强;挤压
v.得出结论;断定
Main phrases:
·turn…upside down
·pour out
·scientific method
·take…off
Language points
1.Then I turn the jar upside down and take my hand off the cardboard.
◆turn…upside down=turn over“把……翻转/倒过来”
◆take…off…“使……离开/脱离……”或“把……从……拿开”。
take off意为“摘掉,(飞机)起飞,脱掉”。
2.I think the floor will get wet.
◆get wet“变湿”。
get在本句中为系动词,意为“变得……”,后接形容词作表语。
3.We should do this experiment outside,Brian.
experiment可数名词,“实验”。
do experiments/do an experiment“做实验”
experiment 动词,“做实验,进行试验”。
4.You think the water will pour out,Danny.
pour out“倒出,使流出,涌出”
 pour…into…意为“把……倒进……”。
5.I am so sure of my theory that Brian can do the experiment over your head and I know you won’t get wet.
be sure of “对……有把握”
eg:I am sure of this answer.
6.He puts on a raincoat and sits down.
put on“穿上”(代词放中间)。
7.It is strong enough to hold the water.
“It is+形容词+enough to do sth.”
“做某事是足够……的”
8.What do you conclude,Danny
conclude为动词,“断定,推断出”,其后可接由that
引导的宾语从句。
conclude from意为“从……推断,从……中得出”。
Ⅰ.用适当的介词填空
1.The box is covered   a piece of red paper.
2.A strange thing happened   him last week.
3.TV is another way    saying television.
4.Dave,please fill the jar    water at first.
5.Have you read    the earthquake in the newspaper
with
to
of
with
about
Practice
1. 我确信你是一个诚实的人。
I ______ ______ that you are an honest man.
2. 请用一块玻璃盖上那个杯子。
Please ______ the cup _____ a piece of glass.
3. 小心,否则你会弄湿的。
Be careful, or you'll ______ ______.
4. 把箱子倒过来,你会找到标签的。
______ the box _______ _______, then you'll find the label.
III. 根据所给汉语意思翻译下列句子。
am sure
cover with
get wet
Turn upside down
Homework
1.Finish off the remaining exercises in the activity book.
2.Preview the next lesson in the student’s book.
Thank you!