Module 3 Unit 5 Water writing 课件 2024学年牛津深圳版英语七年级下册 (共20张PPT)

(共20张PPT)
7B Unit 5
Water
Writing
学习目标：
1.学会运用流程图描述事物发展的进程。
2.学会写如何保护水资源
Part 1
What is the boy doing
He is doing an experiment..
Pre-writing
P67
/ k sper m nt/
How many steps does the experiment have .
1
3
2
4
4 steps.
Presentation
What experiment is the boy doing In groups, describe the pictures.
Writing: An experiment
add A to B
add some salt to a glass of water
Picture description
salt
a glass of water
Step 1
Describe
The salt __________________________________.
stir the water
water
Step 2
Picture description
disappears and becomes part of the water
stir （搅拌），disapear, become part of
Picture description
a white cloud
small drops of water
Step 3
Heat the water.
You can see a white cloud.
It is made up of small drops of water.
Continue to heat the water.
a white cloud, be made up of, small drops of, continue（继续）
heat
Result
Picture description
crystal （结晶）
dry up
Finally,... start to dry up
Finally, the water starts to day up.
The salt turns into crystals.
How to use a flow chart to help you write about an experiment
祈使句
时态：一般现在时.
用连接词来表示事件发展顺序
First, …
Then/ Next/ After that....
Finally, …
While-writing
Presentation
Write a short paragraph about this experiment.
Writing: An experiment
First, add some salt to a glass of water. ________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
Finally, ___________________________. The salt turns into crystals.
Writing
Write a short paragraph about this experiment. Use the information in A to help you.
First, add some salt to a glass of water. ____________
______________________________________________
______________________________________________
______________________________________________
_________Finally, _______________________. The salt turns into crystals.
Then stir the water. The salt disappears and becomes part of the water. Next, heat the water. You can see a white cloud. It is made up of small drops of water. Continue to heat the water.
the water starts to dry up
Part 2
水是十分珍贵，给我们的生活带来了许多的便利，但是人类浪费水资源的现象仍然十分严重，我们应该怎样节约用水，保护水资源呢？请以“How to save water”为题写一篇短文。
内容要求：
1. 水在日常生活中的重要性；
2. 列举 大家在日常生活中节约用水的措施（至少三条）；
3. 呼吁大家节约用水。
Tips:
1.尽量使用本单元学习的新短语新句型，注意连词and, but, so等的运用。
2.注意分段，书写工整，80字左右。
Finish your own writing
1.水在我们的日常生活中是有用的。
Water is useful in our daily lives.
2.水在许多方面帮助我们
Water helps us in many ways.
3. 水可以帮助消防员扑灭（put out) 火灾。
Water can help fireman put out the fire.
4. 我们可以用水发电（electricity）
We can use water to produce electricity.
水在日常生活中的重要性；
日常生活中节约用水的措施:
1.为了节约水，冲凉而不是用浴缸是一个更好的选择。
2.当我们洗手的时候，不要让水龙头一直开着。
3.在日常生活中，我们可以充分利用水，比如用用过的水浇花。
4.我们应该制定法律来制止一些工厂把废水倒入河流、湖泊和海洋中。
In order to save water, it is a better choice to take a shower instead of taking a bath.
When we wash hands, don’t leave the tap on.
In our daily life, we can make full use of the water, such as watering plants with used water.
We should make laws to stop some factories from pouring waste water into rivers, lakes and oceans.
Brainstorm—日常生活中节约用水的措施:
呼吁大家节约用水：
1. 我不能想象一个没有水的世界
I can't imagine a world without water.
2.让我们从我们自身做起，尽我们的努力去节约水而不是（instead of)浪费它。
Let’s start from ourselves, try our best to save water instead of (而不是)wasting it.
3. 如果我们浪费水，世界上的最后一滴水将是我们的眼泪。
If we waste water, the last drop of water in the world will be our tears(眼泪).
4. 我相信生活中的一个小小的变化会带来大大的改变。
I am sure that a small change in our daily life can make a big difference.
水是十分珍贵，给我们的生活带来了许多的便利，但是人类浪费水资源的现象仍然十分严重，我们应该怎样节约用水，保护水资源呢？请以“How to save water”为题写一篇短文。
内容要求：
1. 水在日常生活中的重要性；
2. 列举 大家在日常生活中节约用水的措施（至少三条）；
3. 呼吁大家节约用水。
Tips:
1.尽量使用本单元学习的新短语新句型，注意连词and, but, so等的运用。
2.注意分段，书写工整，80字左右。
Homework