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(共29张PPT)
1.Protecting wildlife means protecting human beings themselves!
2.It is glorious to love animals and shameful to abuse them.
3.Losing the ecological balance makes it difficult for human beings to take any steps.
4.Don’t let our tears become the last drop of water on the earth.
5.Earth provides enough to satisfy every man's needs, but not every man's greed.
6.Lucid waters and lush mountains are valuable as "mountains of gold and silver".
Unit 3 Environmental Protection
Reading and Thinking
drought
flood
storm
sea level rise
heat wave
fire
Global warming
Climate change
what do you think causes these disasters
Learning aims:
By the end of the class, you are able to
01
02
03
Have a better understanding of climate change
and the structure of whole passage.
Be aware of the importance of cutting down greenhouse
gas and take effective action to solve it.
Think deeply about the problem of global warming.
What is the graph about
What information can you get from it
Pre-reading
纵坐标
ordinate
横坐标abscissa
Prediction—— What will be talked about in the passage
Divide the passage into four parts and find the main idea of each part.
Part Paragraph Main idea
Ⅰ 1-2 The of dramatic climate change that had an impact on Earth’s ecology.
Ⅱ 3 The __________ of the increase in the global average surface temperature.
Ⅲ 4 The of the rise in temperature.
Ⅳ 5 The to reducing greenhouse gas emissions.
evidence
cause
consequences
solutions
Fast reading
Tips:
1. Opening sentence
2. Closing sentence
3. Standout sentence
Closing sentence
Opening sentence
Standout sentence
Opening sentence
Read for main idea ＆ structure
What is the structure of the text
A.
P 1
P 2
P 3
P 4
B.
P 1
P 2
P 3
P 4
C.
P 1
P 2
P 3
P 4
D.
P 1
P 2
P 3
P 4
Fast reading
What is the type of the text is
problem
causes
effects
solutions
Expository writing
What kind of reading passage is it
Fast reading
A.Climate change
B.low sea-ice levels
C.bears could not hunt
D.had to travel greater distances to find food
E.starved to death
F.its dead body found
1.A polar bear’s dead body was found
2.Starved to death
3.Low sea-ice levels
4.Climate change
5.The bear could not hunt seals
6.Had to travel greater distance to find food
Detailed reading
Read Paragraph 1-2 and answer folllowing questions.
What happened to the polar bear Put these items in order.
Why did the author write about the polar bear
Because it showed one of the effects of rising temperatures due to climate change.
Climate change
Evidence
Detailed reading
Paragraph 1-2 and answer folllowing questions.
Read Paragraph 3 and answer the following questions.
Q: What are the consequences of greenhouse gas emissions
greenhouse effect
_________ greenhouse effect
__________
greenhouse effect
keeping Earth’s climate _____ and __________
causing Earth’s surface ___________________ if too much heat energy is trapped in the atmosphere
Detailed reading
Earth
Atmosphere
sunlight
Draw the direction of the arrow in the diagram about
how the greenhouse effect works
Pair work
Detailed reading
Tips:
1.Diagrams are very useful tools.
2.Visualise the problem.
3.Show your creative thinking and problem-solving.
CO2
CH4
Climate change
Evidence
Paragraph 1-2 and answer folllowing questions.
Effects
Paragraph 3 and answer folllowing questions.
Detailed reading
Read and ask whatever you want
which is based on the paragragh 4-5.
“Student question and answer time”
Group 2
Questions based on the paragragh 5.
Q1(Group 1):
A1(Group 2):
Q2(Group 1):
A2(Group 2):
Group 1
Q1(Group 1):
A1(Group 2):
Q2(Group 1):
A2(Group 2):
Questions based on the paragragh 4.
Detailed reading
Climate change
Evidence
Paragraph 1-2 and answer folllowing questions.
Effects
Paragraph 3 and answer folllowing questions.
Causes
Paragraph 4 and anolllowing questions.
Solutions
Paragraph 5 and answer folllowing questions.
Detailed reading
What writing techniques does the author use in order to achieve his/her purpose
Deeper thinking
Deeper thinking
Using diagram
Giving example
Giving explanation
Leaving a question
Could you summarize what you have learned this class
Tips: Mindmap can help us clear our minds and have a better understangding.
Climate change
Evidence
Solutions
Causes
Effects
government
individuals
extreme weather
natural disasters
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
Could you summarize what you have learned this class
Post-reading
Group discussion
As a student, what can we do to protect the environment in our daily life Share with your partners and have a speech.
Hello, everyone!
Taking care of our environment is very important.Wherever you live,you can do something around your neighbourhood.
Firstly, we can
__________________.Secondly,_______________________________________ . Also, ______________________________________________. Most importantly, _________________
Now I want to say :Let's do our best to make our world more beautiful!
Turn off the lights and fans when leaving
plant more trees
Take the stairs instead of elevator
Go to school by bike instead of by car/bus
Use handkerchief instead of facial tissue
Use basket or environmental basket bag instead of plastic bag
Homework
Write a letter
假如你是李华，你是你校环保社社长，非常关心目前的全球变暖问题。请你写一封倡议信给学校的同学们，提倡“低碳生活”。要点如下：
1）说明全球变暖问题，简述其原因；
2）提出具体措施；
3）发出倡议。
注意：需使用课文中黑体字，至少5个，并用下划线划出。
Please stand up and read after me:
I promise:
Protecting the environment starts with me!
Thank you!

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