Natural Disasters & Environmental Protection大单元复习课件 (共47张PPT)人与自然：敬畏自然，保护环境

(共47张PPT)
大单元复习课件
人与自然：敬畏自然，保护环境
Natural Disasters & Environmental Protection
课时 课时话题 课时内容 育人价值
Period 1 Natural World 跟随九年级一班的学生一起参加生态探索活动。 通过了解自然景观、季节与天气变化以及动物种类特征，培养学生对环境的理解与尊重，从而更好地认识和保护环境。
Period 2 Natural Disasters & Environmental Protection 老师在课堂上讲解了自然灾害和环境保护的影响及应对措施。 引导学生增强安全意识与自我保护能力，培养环保责任感。
Period 3 Space Exploration Jim观看了第十个中国航天日宣传片后对太空产生了浓厚兴趣，并计划来一场太空探索之旅。 激发学生的科研兴趣、培养其创新精神、增强国家认同感。
大单元备课思路
Units Topics Functions Structures
八下U5 What were you doing when the rainstorm came Unforgettable events Talk about past events
Tell a story Conjunctions when and while
Questions and statements with the past progressive tense
九全U13 We’re trying to save the earth! Protecting the environment Talk about pollution and environmental protection Review of key structures
教材整合范围
目 录
语言点讲解
2
话题写作
3
情境串讲基础知识
1
At the end of the class, we are able to:
1. review words, expressions, sentence structures and language notes about natural disasters and environmental protection, and know what should be mentioned to discuss the topic;
2. learn how to talk about natural disasters and environmental protection by using what we’ve learnt;
3. write our own passages about how to live a green life;
4. develop a sense of responsibility for environmental protection.
Learning Objectives
We get a lot of useful resources from nature, but we also do a lot of harm to nature that cannot be changed.
When we harm nature, it often fights back with serious natural disasters.
Warming up
注：基础知识包含词汇、短语、句型（含搭配）。
What natural disasters do you know
情境串讲基础知识
This is an earthquake. It is a sudden shaking of the Earth’s surface that often causes serious damage.
返回目录
A flood happens when land gets covered with water because of heavy rain, melting snow, or rivers overflowing.
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A fire is a rapid burning of something, especially one that is out of control and damages buildings or forests.
返回目录
A snowstorm is a dangerous weather event bringing heavy snow, strong winds, and poor visibility.
返回目录
This is tornado. It is a violent(剧烈的) storm with very strong winds moving in a circle.
返回目录
A drought is a long period of dry weather that causes serious water shortages for plants and animals.
返回目录
A tsunami is a series of powerful ocean waves usually caused by underwater earthquakes.
返回目录
A thunderstorm is a storm with thunder, lightning, heavy rain or hail (冰雹), and strong winds.
返回目录
Did you hear about the recent thunderstorm in the news It was so terrible that many houses were damaged.
I don’t know. Can you tell me something about it
During the __________(危险的) thunderstorm last time, strong winds and heavy rain __________(毁坏) everything and caused more ______(危险). When it was happening, houses were _____ _____(倒塌), leaving many families ________(无家可归). People knew that being outside during a thunderstorm ___ _______ __ (对……有害) their safety. But those who didn’t find shelter in time had to _____(遭受) from injuries and _____(病) in the bad weather. Some unfortunately ____(死亡), while others ________ (幸存). It was a difficult time. Because of the floods, __________ _____(经济损失) were more severe, but the community was still working on recovering and helping those in need.
dangerous
destroyed
danger
falling
down
homeless
was harmful to
suffer
illness
died
survived
economic
losses
Yes. Do you know what we should do and what we should not do during a natural disaster
It’s heartbreaking. We had better take steps ahead.
cover your mouth and nose with a wet towel
用湿毛巾捂住口鼻
cut off the power
切断电源
go to an open area or a high place
去空旷的地方或者高处
hide under a strong desk or table
躲在结实的书桌或桌子下面
store food and water in advance
提前储存食物和水
We should...
take in the smoke 吸入浓烟
take the lift 乘坐电梯
shout loudly 大声喊叫
stand under the tree 站在树下
close to telephone poles and iron towers
靠近电线杆和铁塔
We shouldn’t...
You’re right. After knowing the harm of natural disasters, we should pay more attention to environmental protection.
I’ve noticed that natural disasters—like floods, droughts, and major storms—appear to be happening more frequently(频繁的).
These disasters may also be caused by environmental problems.
Our environment is under great pressure, and human activities like deforestation, pollution, and greenhouse gases are major reasons.
Speaking of pollution, what does environmental pollution mean
Let’s find the answer in the video.
Pollution is anything that makes the earth unhealthy and dirty.
Let’s understand each type of pollution one by one.
Q1. What are Jessica Wang’s bags
made of
air pollution
Q1. What are Jessica Wang’s bags
made of
water pollution
Q1. What are Jessica Wang’s bags
made of
river pollution
Q1. What are Jessica Wang’s bags
made of
noise pollution
What caused these problems
burn coal
cut down trees
drop/throw away litter
overuse of electrical equipments
pollute the soil
pour waste water into rivers
transportation and machine noise
wind energy
Energy pollution is also serious. Scientists have been working hard to reduce the bad effects.
We should develop “sustainable energy(可持续能源)”, such as：
solar power
hydropower
nuclear energy
We must take some measures to protect the environment. There are three important words that begin with a letter “R”.
reuse
reduce
recycle
Reduce
bring your own bags when shopping
don’t waste paper napkins
take public transport instead of driving
try not to use wooden chopsticks
turn off the lights when you leave the room
turn off the tap after washing hands
Reuse
brush your shoes with an unused toothbrush
put paper boxes/plastic bottles to good use
turn old clothes into reusable bags
use reusable packing materials instead of plastic or paper
Recycle
glass and metal cans
old books or magazines
plastic products
plastic products sort the rubbish/ separate waste into different groups
waste electrical and electronic products
卖闲置
Environmental protection is very important for keeping the balance of ecosystem(生态系统) of the earth and making sure the living and development of human beings.
变形：harm n. →harmful adj.有害的 →harmless adj. 无害的
harm的用法
harm n. 损害；伤害
v.危害；伤害
do harm to sb./sth.=be harmful to sb./sth. 对某人/物有害
cause harm to sb./sth.=harm sb./sth.对某人/物造成伤害
语言点讲解
1. Wearing earphones for a long time will be harmful ____ our ears.2. You'd better turn the music down! It’s ________(harm) for you to listen to loud music for a long time.
to　
harmful　
盲填或用括号内单词的适当形式填空。
Environmental problems are so serious. Can you give some advice to encourage people to live a green life
话题写作
“金山银山不如绿水青山”，绿色生活成为越来越多人追求的生活方式。请以“Living a Green Life”为题，根据以下思维导图的提示，写一篇短文，发表你的看法。
注意：1. 要点齐全，适当发挥；
2. 从思维导图中选择恰当的要点利用在短文中；
3. 句子及篇章结构准确、连贯，书写规范；
4. 词数：80词左右，题目和首段已给出，不计入总词数；
5. 文中不得出现考生的真实姓名、学校及其它任何个人相关信息。
文体：说明文
时态：一般现在时
人称：第一人称
Living a Green Life
The natural resources are becoming less and less and the air pollution is more and more serious. Many people realize that living a green life is the responsibility of everyone. So do I. I hope people can do followings to live a green life.
_____________________________________________________________________
要点提示 素材串联
开头：引出话题 (已给出)。 自然资源越来越少，空气污染越来越严重。许多人意识到，绿色生活是每个人的责任(become less and less; more and more serious, the responsibility of)。
正文：具体阐述 “过绿色生活”的做法和好处。 1.骑自行车或者走路去学校，减少空气污染，对我们的健康有好处 (riding a bike or walking to school; reduce air pollution; be good for health)。
2.随手关灯，节约能源(turn off the lights; save energy)。
写作指导
要点提示 素材串联
正文：具体阐述 “过绿色生活”的做法和好处。 3.多植树，保护环境(plant more trees; it is+adj.+to do sth.)
4.购物时用布袋代替塑料袋，重复利用，减少白色污染，改善环境(use cloth bags; reused; reduce white pollution; greatly improve our environment)。
结尾： 提出倡议。 即使是一件小事也能产生很大的影响。让我们从现在开始过绿色生活，一步一步改善环境(make a big difference; from now on; step by step)。
The activity that our school organized taught us the importance of respecting nature.
1. Later our teacher took us to the national park, and the students saw many beautiful birds and knew the importance of protecting the environment.(用after 引导的状语从句升格此句)________________________________________________________________________________________________________________________________
2. Our school organized the activity, and it taught us the importance of respecting nature. (用that 引导的定语从句来升格此句)________________________________________________________________________________________________________________________________
After our teacher took us to the national park, the students saw many beautiful birds and knew the importance of protecting the environment.
句子升格
3. We can ride a bike or walk to school. It is a good choice. (用动名词作主语来升格此句)________________________________________________________________
4. We can use cloth bags instead of plastic bags at the supermarket. (用when 引导的时间状语从句来升格此句)________________________________________________________________________________________________________________________________
5. It's harmful to all animals, and it causes many healthy problems.
(用not only...but also...来升格此句)
________________________________________________________________
Riding a bike or walking to school is a good choice.
When we go to the supermarket, we can use cloth bags instead of plastic bags.
It's not only harmful to all animals, but also causes many healthy problems.
Living a Green Life
The natural resources(资源) are becoming less and less and the air pollution is more and more serious. Many people realize that living a green life is the responsibility of everyone. So do I. I hope people can do followings to live a green life.
使用了比较级的双重结构(less and less; more and more)，有效地强调了资源减少与空气污染加剧的严峻情况。
范文赏析
First, riding a bike or walking to school is a good choice. Because it can reduce air pollution and it’s good for our health. Second, remember to turn off the lights when we go out. In this way, we can save energy. What’s more, we should plant more trees. I think it’s a good way to protect our environment. Last but not least, when we go to the supermarket, we can use cloth bags instead of plastic bags.
使用祈使句直接给出建议，增强了文章的号召力，语气坚定，指导性强。
在提出具体建议时，文章采用了连接词来组织内容，将建议分为四个部分，使文章结构清晰、条理分明。
Because they can be reused, reduce white pollution and greatly improve our environment.
Even a small thing can make a big difference. Let’s live a green life from now on and improve the environment step by step.
以“Even a small thing can make a big difference.”作为过渡，引出呼吁内容，既总结了前文，又强化了主题，使文章结构完整且有力。
Checklist Point(s)
Content Environmental problems (2 points) Methods and Reasons (3 points) Hope and Advice (2 points)
Structure Beginning Body Ending (3 points)
Expressions Good expressions (2 points) No mistakes (grammar, tense, spelling) (2 points)
Handwriting clean&tidy (1 point)
Check your partner’s article according to the checklist.
Earth is our mother.
We can do it from little things
Without earth,without life.
for ourselves and for our “mother”.