(共13张PPT)
（外研版）七年级
上
Starting out
The power of plants
Unit 5
The power of plants
Importance in the natural world
Uses to people
Meanings to cultures
Make a poster about plants
Learning Objectives
By the end of this lesson, we will be able to:
activate students’ existing understanding of plants.
learn about the interesting knowledge about plants.
initially perceive the wonders of plants.
激活学生对植物的已有认知。
了解关于植物的有趣知识。
初步感知植物的奇妙之处。
What is happening
A plant is breaking through the ground.
Is it powerful
Warming-up
Yes, it is.
different shapes
different colors
different kinds
be born
grow
die
to feed
They have...
They can...
What are plants
They need...
Plants are _____________ and belong to(属于) the plant kingdom.
living beings
Let's explore the amazing world of plants.
Lead-in
1. Look at the picture and answer the questions.
Starting out
1. What do you see in the picture
2. What facts about the plant do you know
Bamboo.
Starting out
What amazing facts about plants are mentioned in the video
Plants are everywhere, even in space.
Some bamboo can even grow 91 centimetres in just one day.
People began to grow their food over 10,000 years ago.
People use different plants to make medicines.
Do you think plants are amazing Why or why not
Yes, I think plants are amazing!
Because they provide habitat (栖息地) and food for animals and play an important role in maintaining (保持） the balance of our ecosystem（生态系统）.
What are the people doing
2. Look at the pictures and answer the questions.
P79
She is buying some vegetables.
He is making furniture (家具).
They are weighing (称重量) the traditional Chinese medicine/herbs.
She is drawing a picture of plants.
What can plants do for us
food
material
(材料)
medicine
inspiration
(灵感)
Plants are our food, materials for houses, medicine, and inspiration(灵感) for art.
What else can plants do for us
Breathing: Plants help us breathe. They take in CO2 and give us O2.
Beauty: Plants make the world look pretty with their flowers and
green leaves. They can also help us relax and feel happy.
Cleaning: Plants can help clean the air by taking in pollutants(污染物)
and giving out clean air.
Energy: Some plants can be turned into biofuels(生物燃料) which are
used to power cars and machines.
Clothes: Plants like cotton can be turned into clothes.
Paper: Trees are used to make paper, which we use for books, newspapers, and painting.
Homework
1. Copy and practice phrases related to plants and their benefits, and focus on correct vocabulary and sentence structure.
2. Share their knowledge about plants and their importance with others, and use the simple future tense to describe plants.
3. Preview Within a plant on pages 96-97.
