摘要:
该初中英语课件围绕“植物的力量”展开,涵盖植物作用、结构(根、茎、叶)及光合作用等核心知识,通过图片问答(如种子发芽、人们利用植物场景)和趣味事实(竹子日生长91厘米、植物药用)导入,从植物现象过渡到结构与需求,再到光合作用原理,搭建从具体到抽象的学习支架。
其亮点在于采用PBL项目式学习(如帮Leo救植物)和双关语设计(“plant”既指植物也指工厂),结合语言能力(运用photosynthesis等词汇及will/be going to语法描述过程)、思维品质(排序光合作用步骤)与学习能力(小组合作介绍植物工作原理)。学生在实践中巩固知识,教师可通过结构化活动(Checklist评价)提升教学互动效率。
内容正文:
Unit5 The power of plants
——Starting out +Understanding ideas——
授课人:××× 时间:2025年11月
Teaching objectives
After learning this lesson, students can......
Language Competence:Learn key words and phrases well. Use the “will”/“be going to” sentences correctly. Talk clearly about what plants can do or how they make food.
Cultural Awareness: Know what plants do for the world and our life. Learn to respect plants and live well with them.
Thinking Quality:Look at the fun ways we talk about plants. Put the steps of how plants make food in order. Think more clearly, sum up ideas well, and talk smoothly.
Learning Ability:Use different materials about plants (like pictures or videos). Learn better by yourself and work well with your classmates.
The seed is coming out of the soil.
What is this in the picture?
It’s a seed for a plant.
What’s happening?
Is it powerful?
This is the power of plants.
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Why do more and more people like plants?
What plants do you know?
What facts do you know about plants?
年轻人痴迷于绿色植物
公园20分钟效应
植系青年
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Starting out
What facts about plants do you know?
Plants are1.___________--on land, in the ocean and even in 2._______.
Some bamboo can even grow3.____ centimeters in just one day.
People began to farm and grow their own food over 10,000 years ago, but plants are more than 4.______.
People use different plants to5.______ medicines.
everywhere
space
91
food
make
[ˈmedsn]
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
She is buying____________.
The man is making a wooden________.
They are weighing [weɪ]the herbs.
She is drawing grass and trees.
vegetables
shelf
What are the people doing?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Do you think plants are amazing? Why or why not?
I think plants are amazing.
Plants are amazing and useful.
Because...
Many important medicines come from plants.
Plants also provide food for many animals and us.
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
root
stem
leaf
What do plants need to grow?
What are these part of plants ?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
What do plants need to grow?
Where is it?
It’s like a factory.
It is in a workshop.
Who are in the plant?
Workers in green uniforms
What are the workers going to produce?
What can you see in the picture?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Where can we read the passage?
A. In a newspaper.
B. In a diary.
C. On a science magazine
D. In an advertisement
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Read the passage and match the
titles with paragraphs.
What workers will produce.
The importance of the plants.
The introduction of worker No. 55
What workers do in workshop 1001.
When workers will take a rest
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
The introduction of worker No. 55
Are there any real workers in the plant?
When do workers start work in the plant?
At a quarter past seven.
No, there aren’t.
Why does the writer use "workers" in the passage?
A. Because the writer wants to tell us the time of the work.
B. Because it makes the passage about a plant more interesting and easier to understand.
C. Because the Leaf is a real factory with many workers.
Who am I?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
What workers do in workshop.
Now, workers from the Root 2.___________ water.
The water will 3. ___________________through the Stem.
The workers in the Leaf will 4._______ water ,CO2and5. __________.
The workers in the Leaf 1.__________ CO2 and sunlight during the day.
collect
send up
rise up to the Leaf
mix
sunlight
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
What workers will produce.
What are they going to produce?
sugar
oxygen
It’s______for the growth of the _____.
useful
plant
means
breathe
A. It is very important.
B. It is very easy to find
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
sugar
sunlight
water
Sunlight and CO2 come into the _____.
Water from the root will _______ to the leaf through the stem.
leaf
rise up
_______, CO2 and sunlight will turn into ______ and oxygen. Oxygen is important to humans -they need it to _______.
Water
sugar
breathe
Read Para2.-Para3.
Photosynthesis
[ˌfəʊtəʊˈsɪnθəsɪs]
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Sunlight and CO2
come into the _____.
Water from the root will _______ to the leaf through the stem.
leaf
rise up
_______, CO2 and sunlight will turn into ______ and oxygen. Oxygen is important to humans -they need it to _______.
Water
sugar
breathe
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Why will workers take a rest in dark?
At a quarter past seven.
start work
Light means a lot to photosynthesis.
Because there isn’t sunlight during the night,
so the workers stop working.
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
The importance of the plants.
Why are plants important to the natural world?
How would the natural world be different without plants?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
How would the natural world be different without plants?
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
What else can plants do for us?
Clean the air
Stop the flood
Plants are our friends .We should protect them.
Provide homes for animals
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Choose another suitable title and give your reasons.
a How tomake sugar
b How plants work
c Why plants are great
d Going to the green workshop
The passage shows how plants make sugar and oxygen and how different parts of the plant help in this process(过程).
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
What does “plant” mean in the title?
A. the living thing, like a tree or a flower.
B. the place the workers work in, just like a factory.
C. A and B
A pun(双关) is a word with more than one meaning. It's a clever way to make the passage more interesting.
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Work in groups:Let’s help Leo save his plant.
a. What two things should Leo do to save his plant?
b. Why? (Use the photosynthesis process to explain(解释)
Collect & mix
Produce
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Work in groups:Let’s help Leo save his plant.
Let’s help Leo! His plant is not good because he put it in his dark bedroom.
First, Leo should give his plant some _________.
Second, he should move his plant from the dark bedroom to the_______place.
Because plants need water and _________ for photosynthesis—this helps it get healthy!Let’s learn how it works within the plant:
• _________ and _________ come into the plant’s leaves.
• ___________ from the roots rises up to the leaves through the stem.
• Water, CO2 and sunlight turn into _________ and_________. Sugar is useful for the growth of the plant.Without water and sunlight, the plant can’t
make sugar. Without this sugar, the plant can’t get better.
So if Leo does these two things, his plant will become healthy again.
water
sunny
sunlight
Sunlight
CO2
Water
sugar
oxygen
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Collect & mix
Produce
Work in groups:Introduce how plants work.
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
Checklist
Content Introduce what workers from different parts of a plant do.
Introduce what plants will produce.
Show the importance of the plants.
Presentation Speak clearly, loudly and confidently.
Excellent Great Good
Lead in
Starting out
PBL Entry
While-reading
Post-reading
Homework
You must:
You can:
1. Read the passage until you can read fluently.
2. Remember the words and expressions we learnt this lesson.
3.Describe the process of photosynthesis in English.
Thank You !
——Goodbye——
授课人:××× 时间:2025年11月
Lavf58.29.100
Packed by Bilibili XCoder v2.0.2
Lavf58.20.100
null
2024-07-24 23:48
88451.43
$