高一英语必修3 Unit 4 Astronomy the scien
高一英语必修3 Unit 4 Astronomy: the science of the stars人教实验版【本讲教育信息】一、教学内容必修3 Unit 4 Astronomy: the science of the stars（一）重点单词（二）重点短语（三）重（难）点句型二、知识精讲（一）重点单词1. system n.[c] 系统；体系；制度systematic adj.He created a new system of teaching foreign languages.他创造了一种新的外语教学体系。
The new system has had a disastrous effect on productivity.新制度对生产率产生了灾难性的影响。
Too much alcohol is bad for the system.过量饮酒对身体有害。
theory n.学说；理论theoretic adj.There are many theories about the origin of life.关于生命起源的学说有很多。
In this way they can better apply theory to practice.这样他们就能更好地把理论运用到实践中去。
Your plan sounds fine in theory it doesn’t work in practice.你的计划在理论上听起来不错，但在实践中无法实施。
2. violent adj. 猛烈的；激烈的；粗暴的violence n.They are launching a violent attack on the enemy.他们对敌人展开了猛烈的进攻。
The class was shocked by his violent language.全班同学对他激烈的言辞感到震惊。
Children should not be allowed to watch violent movies.不应允许儿童看暴力电影。
The young man was charged with robbery with violence.这个年轻人被控暴力抢劫。
3. unlike（1）prep. 与……不像，与……不同Unlike his brother, he has a sense of humor.与他的兄弟不同，他很有幽默感。
It’s unlike you not to say hello.连招呼都不打，这可不像是你（的作风）。
（2）adj. 不同的, 相异的, 不相似的They give unlike accounts of the incident.他们对这件事的描述各不相同。
4. fundamental adj. 基本的；基础的；必要的There is a fundamental difference in attitude between the two politicians.这两位政治家的态度有着根本区别。
Fresh air is fundamental to good health.新鲜空气对健康是不可缺少的。
5. harmful adj. 对……有害的harmless adj.It is obvious that smoking is harmful to health.很显然，吸烟对健康有害。
知识拓展harm n. 损害, 危害, 伤害；vt. (使)受到损害, 伤害Excessive drinking will be harmful to you. /do you harm. / do harm to you. / harm you.过量饮酒对身体有害。
6. exist vi. 存在；生存existence n. 存在Man can’t exist without oxygen .人没有氧气就不能生存。
I can hardly exist on the wage I’ m getting.我靠我挣的工资简直难以糊口。
There exists a good way to solve the existing problem.有一个解决目前问题的好办法。
No one knows how this world came into existence。
没有人知道这个世界是怎样形成的。
7. puzzle（1）n. 谜，难题；令人费解的事[人]Their reason for doing it is still a puzzle to me.他们为什么干那件事仍然让我费解。
It’s a quite puzzle to us why he did it.他为何做这样的事，我们完全搞不懂。
（2）vi. & vt. (使)迷惑；（使）为难What puzzled me was why they didn’t take her advice.他们为什么不接受她的建议，这使我大惑不解。
知识拓展puzzling 令人困惑的puzzled 感到困惑的We felt puzzled at these puzzling questions.我们对这些令人困惑的问题感到茫然。
即学即用①At last, I made up my mind to speak the truth ______of the whole class.A. in the presentB. at the presentC. in the presenceD. at the presence②They had a ______ quarrel and John stormed out.A. violentB. cruelC. strong C. harmful③His new novel is ______all his previous ones.A. unlikeB. not likelyC. unlikelyD. likely④Judging from his ______look , this problem must be quite ______.A. puzzling; puzzlingB. puzzled; puzzledC. puzzling; puzzledD. puzzled; puzzling⑤We don’t own the building. _____, it would be impossible for us to make any major changes to it.A. ThusB. YetC. StillD. Even⑥A strange virus struck my computer _____so that it broke down.A. designB. systemC. theoryD. instrument⑦A truck went out of control and ______into the back of a bus.A. crackedB. crashedC. brokeD. burst⑧Scientists are not sure about the _____of water on Mars.A. appearanceB. existenceC. connectionD. possibility（二）重点短语1. They were in time to produce carbon, nitrogen, water vapor and other gases, which were to make the earth’s atmosphere.最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。
△ in time及时；最终；迟早If you keep on, you will succeed in time.如果坚持下去，你迟早会成功的。
The storm was to stop in time before the sports meeting.暴风雨终于在运动会开始前停下来了。
He managed to send the tourists to the airport in time.他设法把游客及时送到了机场。
The doctor came in time to save his life.医生及时赶到救了他的命。
Will we be in time for the six o’clock train?我们来得及赶上六点钟的那趟火车吗？知识拓展常与time搭配的短语还有The company fired him for not coming to work on time.那家公司因他不按时上班而解雇了他。
I’ll be back in no time.我马上就回来。
Take the pills two at a time.每次服两粒。
He was at one time a professor in that university.他一度是那所大学的教授。
Everyone may make mistakes at times.每个人都会不时的犯错误。
They finished the work ahead of time.他们提前完成了工作。
She’s staying with her aunt for the time being.她暂时住在她姨妈那里。
Take your time packing, for we still have one and a half hour.慢慢整理你的行李, 我们还有一个半小时的时间。
2. Thus they have, in their turn , become the most important animals on the planet.于是，他们接着成为了这个行星上最重要的动物。
△ in one’s turn 轮到某人；接着Tomorrow, in his turn, he will be on duty.明天轮到他值班了。
知识拓展常与turn 搭配的短语还有：We drove the car by turns / in turn.= We took turns to drive the car.我们轮流开车。
All theories are derived from practice and in turn serve practice.所有理论来源于实践，并反过来为实践服务。
It’s my turn to give a speech today.今天轮到我发言了。
高中英语必修3 Unit4 Astronomy the science of the stars-
Pluto
Pluto is so far away that the Sun is just a dim point of light that looks a lot like any other star. It is the smallest and most mysterious planet in our solar system. It has one moon, Charon, that is almost as big as the planet itself.
Jupiter
It has at least sixty-one moons and features the Great Red Spot, which is a huge "storm" that has been observed from here on Earth for over three hundred years. It is the largest planet in our solar system.
▪ draw a conclusion
Skills needed to be a scientist:
▪ accuracy ▪ a logical approach ▪ thorough writing of the experiment so
some on else could redo the experiment from your notes ▪ be able to draw conclusions from the evidence and not impose conclusions on the data
Unit 4 Astronomy:the science of the stars
高一英语课件：必修三 Unit 4 Astronomy the science of the stars--Listening
Listening Practice 2
• New discovery:
If you go inside the edge of a “black hole”, it will__“e_a_t_”_y_o_u___and __th_e_r_e_i_s_n_o__e_sc_a_p_e____; but if you do not, you may _h_a_v_e_a_n__o_p_p_o_r_tu_n_it_y_t_o_e_s_c_a_p_e_____.
have a force
space and time
Idea which
_p_u_ll_s___things
bend; the larger the object, the
towards them f_u_r_th__e_r_ space
and time bend.
B_l_a_c_k__h_o_le__s_have
Listening Practice 2
Listening Practice 2
• Approaching the Black hole:
Observation: We could see some faint __li_g_h_ts_ around what looked like an e_m__p_ty__s_p_a_c_e_.
• gravity • pull • object • edge • float
• 重力 • 拉力 • 物体 • 边缘 • 漂浮
Task 1: Listening Practice 1
1. The text is mainly about ________.
人教版高中英语必修三Unit4Astronomy：thescienceofthestars课文知识点解析
Unit 4 Astronomy：the science of the stars 课文知识点解析Warming UpDiscuss in pairs which science subjects are part of medicine,biochemistry,geophysics or astronomy.分组讨论哪些科学科目是医学，生物化学，地理学或天文学的一部分。
in pairs=two at a time=in twos一次两个，两个一组e.g.Shoes and slippers are sold in pairs.鞋子都是论双卖的。
注意：in+数词/名词（数词/名词以复数形式）e.g.in threes and fours 三三两两的in groups 成群的思维拓展in在这里表示：以……数量/形式、形状等。
e.g.Tourists queue in thousands to see the tomb. 游客数以千计排着队看陵墓。
Reading1.The problem was that the earth became violent because it was not clearwhether the solid shape was to last or not.这一问题变得越来越不确定，因为这一球体形状是否能够维持尚未明朗。
(1)violent adj. 猛烈的；激烈的；强暴的a violent language 激烈的语言a violent storm 猛烈的风暴a violent 猛攻思维拓展violence n.［U］1.暴力，强暴2.猛烈，剧烈，强烈(2)whether...or not... “是……还是……”在这里是主语从句,它还可以引导宾语从句、表语从句、同位语从句和状语从句。
e.g.I don’t know whether he will agree with me.（宾语）我不知道他是否同意我的观点。
人教版高中英语必修三《Unit 4 Astronomy The science of the stars》课件
Learning goals
1. Learn how life began on the earth. 2. Learn the evolution of life. 3. Learn words and expressions in this unit. 4. Reveal the importance of environment
ago that people knew what the earth was to become.
2. Water began to appear on the surface of the earth
baefftoerre gases were produced.
F
3. The global warming will have a great effect on
2). Why was the earth different from the other planet?
A. It produced a lot of heat
B
B. The water remained
C. Water disappeared
D. It was the oldest planet
Finally, human came into _e_x_is_t_e_n_c_e_(exist), but they did_h_a_r_m_
(harmful) to the earth.
Work in groups and choose the proper character
you like to emerge(呈现) the development of life.
2019-2020年新人教版高中英语必修三unit4《astronomythescienceofthestars》全单元教案.doc
Unit 4 Astronomy the science of the stars Ｉ．单元教学目标s as the subject.III．教材分析与教材重组1. 教材分析本单元以astronomy the science of the stars, the development of life, space travel and gravity为话题，通过本单元的几篇阅读材料使学生对以上问题有所了解，并通过文章中的一些探讨性的问题，比如，The earth may bee too hot for the lives on it. Then what will our future be? 使学生更好地了解我们的地球和我们的生活环境，并引发对“地球的将来如何”的热烈讨论，通过这些讨论激发学生对天文学了解和探究的强烈兴趣。
通过讨论登月球需要的物品和可能遇到的困难学会提出问题和解决问题的表达方法，并能就此写出一篇表达合理思路清晰的短文。
1.1 WARMING UP以讨论的形式通过三组问题引导学生讨论边缘科学，讨论科学的方法以及要成为真正的科学家所必须掌握的技能。
1.2 PRE-READING 主要让学生弄清楚什么是科学思想，什么是宗教信仰或文化传统。
在探讨生命起源的科学道理之前，让学生以听故事或讲故事的方式，交流有关宇宙的起源的种种传说，既有趣味性，又能调动学生的相关知识，激活学生的思维。
1.3 READING 讲述了地球上生命的起源。
水的形成使得地球有别于其他星球，它使得地球上生命的诞生成为可能。
科学家认为，地球上的生命首先诞生于水中，上百万年后，陆地上才长出绿色植物，随后出现了陆栖动物和水陆两栖动物。
最初的动物靠孵化繁衍后代，后来出现了哺乳动物，人类也随之诞生了。
文章最后讲了令人深省的问题：The earth may bee too hot fo r the lives on it.1.4 PREHENDING通过四个选择填空题检测学生对本文核心问题的理解：地球上生命的起源和延续需要哪些条件？随后通过排序的方式帮助学生弄清本文的行文线索，也就是地球上生命的起源和发展历程。
人教版高中英语必修3课件 Unit 4 Astronomy the science of the stars 课件1
Pangu separates the sky from the earth
Pangu separated the earth and sky with an ax.
After he died, his breath became wind and cloud;
his voice became thunder and his left eye sun and
The Big Bang
water
Plants on land
Plants in the water Shellfish and fish
Insects and amphibians
Reptiles
Mammals
Dinosaurs
Analysing
water
How life began
on the earth
1.Do you know how did the universe begin?
Pre-reading
Each religion or culture has its own ideas about the beginning of
the universe?
Pangu separates the sky from the earth.
forests
A cloud of dust Combine into a solid ball
Explode…with fire & rock
(produce H2O, CO2,O2, N2, other gases)
Cool down
atmosphere
Life began Life developed
n.炸药，爆炸物
新课标高一必修3Unit4AstronomyTheScienc
新课标高一必修3Unit4AstronomyTheScienc人教版新课标高一必修3 Unit 4 Astronomy The Science of the Star--教案2人教版新课标高一必修3 Unit 4 Astronomy The Science of the Star--教案2 Unit 4 Astronomy The Science of the Star--教案2 TITLE=人教版新课标高一必修3 Unit 4 Astronomy The Science of the Unit 4 Astronomy The Science Of The Stars The Fourth period Listening Step 1 Pre-listening Introduce Isaac Newton and Albert Einstein Step 2 Listening 1. Listen to the tape and fill the form 2. Hand out the listening materials and listen to the tape again, then fill the bracket with the right answers. At last ask some students to read the passage Step 3 Listening on P62 1. Discuss the following question s 1)_. Who’s Yang Liwei? He’s our hero who traveled into space on October15, 2003. 2). What’s the name of the spaceship? Shenzhou V. 3). Do you know what education and experience you need to become an astronaut? No. 2.Listen to the tape and answer some true or false questions 3. Give the students listening material and ask them to complete the passage while listening Step 4 Homework After class, you should listen to them again and sum up what you have learnt from them. For the homework, think about one question: What needs to be an astronaut?。
高中英语必修三Unit 4 Astronomy the science of the stars 要点解析
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高一英语人教课标必修3 unit4 Astronomy_the science of the stars 课件
The theory about black holes （黑洞理论）
He is famous for his work on “black holes”.
He discovered that “black holes” do not “eat” everything that comes close to them.
Who are they?
What have they discovered?
6
Isaac Newton,
牛顿 1642―1727 Universal gravitation 万有引力 gravity 地心引力 重力
He was the first to suggest that gravity is a force . But he thought that it was the same everywhere as it was on the earth.
vapor
nitrogen
The earth’s atmosphere carbon
oxygen
dioxide
22
Read the passage carefully and analyse its structure. Write down the main idea for each paragraph.
Astronomy is the scientific study of objects
in space, such as planets, stars, comets
and “black holes”
4
astronomy
telescope
astronomers
5
Do you know the following scientists?
(新人教版)高中英语必修三《Unit4 Astronomy the science of the stars》精品教案
（新人教版）高中英语必修三《Unit4Astronomy the science of the stars》精品教案Teaching aims:1. Enable the students to learn the usage of key words and phrases and find the rules of the subject clause2. Get the students to cultivate the awareness of protecting the earth Teaching important/difficult points: The subject clauseTeaching methods:Help the students practice learning about language, using a co-operative method.Teaching aids: A multiple-media computer & a blackboardTeaching procedures:Step I Review the important phrases in the text.1.向四面八方_____________2.及时，终于____________3.冷却；平静下来______________4.与…不同_____________5. 依赖…；决定于…____________6. (除... 之外)也，又____________7.成长为，渐成，变为__________ 8.下蛋______________9.产生，分娩______________ 10.轮到某人，接着____________11. 阻止…____________ 12.作为... 的结果，由于__________Step nguage points:1. It exploded loudly with fire and rock they were in time to produce the water vapour,….①in time: sooner or later; 迟早；最后。