Unit 2 Plant a Plant.|Lessom 13 Why are plants important

课件34张PPT。Lesson 13 Why Are Plants Important?Teaching goals:
1.Read, spell and memorize the new words.
2. Get by listening, come to realize (感悟)English
3. Understand the maining of the text.
4. Get by practising, to have a new notice to plants.

Read the new words!
大胆闯词海 Let’s Go ! 原因
空气
使人愉快的
在….中间
挖
树阴
能量
没有东西

竹子
千克死热What is energy ?Light is energy . Heat is energy.原因
空气
使人愉快的
在….中间
挖
树阴
能量
没有东西
死
热
竹子
千克we need trees. It’s pleasant to walk among the trees.Trees help clean the air.shade ---- in the shade bambooPandas eat bamboo only. Big pandas eat eighteen kilograms of bamboo everyday.pandaAll plants take energy from the sun and made it into food. Without food , people and animals would have nothing to eat and they would die.dig dug dug
dig a hole
They dug a hole last year. Danny’s donuts grow on trees?
Can we live without plants?挑战听力！要认真细心！amongFASCINATING FACTS Some animals eat only one plant. Pandas eat _____ only. Big pandas eat eighteen kilograms of _____ every day!bamboobamboo Danny’s donuts grow on trees?
Can we live without plants?挑战听力！要认真细心！Match the following A with Bgive sb food
make things
carry…away…
take energy from..
grow on trees
make into
I’m pleased to see you.
have nothing to eat
把．．．转换成．．．
没有吃的东西
把．．带走．．．
从….获得能量
给某人提供食物
制造某物
长在树上
见到你很高兴
ＡＢListen again with the following questions and discuss in groups!Why do we need trees ?
What else can plants do? Why do we need trees ?
Clean the air.
Give us food.
Make and build things with trees .
Sit under a tree in the shade.
Make books from trees.
Many animals live in trees.Check up your answers.What else can plants do?
Cover the soil.
Take energy from the sun and make it into food.
People and animals need the food to live. Knowledge points1.It’s pleasant to walk among the trees.(pleasant 使人愉快的、有趣)
2.pleased 只用于人不用于物，指某人….感到高兴。
I’m very pleased you can come.
3. among 用于三者或三者以上之中 between 用于两者之间

4. All plants take energy from the sun and make it into the food.
make …into…把….制成…
We can make the tree into paper.
5. Without plants,animals and people would have nothing to eat.
without是介词”没有”
He went to school without breakfast.
6.Then the wind and water don’t carry the soil away. 这样风和水就不会把土壤刮走、冲走。
Carry… away把搬（移）走挑战
“记忆”Let’s retell the text. Trees help______the air.They give us____-like apples,bananas and oranges.We can ______and _____things with trees—like chairs, beds and houses! We can sit under a tree in the _____.Plants______ the soil. Then the wind and water don’t _____ the soil away. All plants take ______ from the sun and make it into food. People and other animals need the food to_____. Without food, they would ______. cleanfoodmakebuild shadecovercarryenergylivedieDO WE NEED PLANTS ?Why do we need plants?
Please write three or four answers to this question. Choose the best answer:
let’s ____ the trees why we need them.
A. to talk about B. talking about
C. talk at D. talk about
2. Donuts don’t grow _____ trees!
A. in B. on C. at D. in DB3.The desks are made _______ wood.
A. in B. from C. into D. of
4. People and other animals need food______.
A. living B. live C. to live D. lives
5. Can you see seven monkeys ____ the tree.
A. on B. in C. under D. above DCBFill in the blanks according to the Chinese given .
1. Trees _______________(帮助清洁) the air.
2. I ___________ ( 想种) a donut!
3. Then we can sit under a tree _________
(阴凉里).
4. We _________ books ________( 用... ... 来制成) trees.
5. People and other animals need _________________(食物生存)._________help cleanwant to plantin the shademakefromfood to liveSummary:
In today’s class,
we know a lot about plants….We should love plants and protect the environment（保护环境around us．
1.树有助于净化空气.
____________________________
2 面包圈不长在树上.
_________________________
3. 那时我们可以坐在树底下的阴凉处.
____________________________
4. 许多动物以树巢.
__________________________Trees help clean the air..Donuts don’t grow on trees.Then we can sit under a tree in the shade.Many animals live in trees.完成下列句子5.所有的植物都能从太阳那里的到能量,然后把他转化成为食物.
________________________________________________________.
6. 如果没有足够的食物,他们就会死去.
______________________________________
_____________________.All plants take energy from the sun and make it into food.Without food ,they would have nothing to eat
and they would die.Thank you!Good-bye!