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Plant parts

发布时间:2013-11-05 11:38:46  

Lesson 10 Plant parts

承德县六沟镇中学 许桂兰

Learning aims:
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Master the new words: feed Understand: sunlight billion Try to know what the parts of plants for.

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Think about: How many plants can you name?

Listen to the tape and answer: 1.How many main parts does a plant have?

2.What are they?

A plant has four main parts. stem flower

leaf roots

Do you know the anwers?
1.What do roots do?

Roots bring water from the groud to the plant.
2.What is the stem for? It carries the water from the roots to the leaves and flowers. 3.What are leaves for?

Leaves make food for the plant. 4.Why do plants have flowers?
The flowers make seeds.New plants grow from seeds.

What parts do we eat?

We eat all parts of plants.

The seeds of the rice feed billions of people.

1. A. billion 十亿,千兆 2.eg:three billion 三十亿 ten billion 一百亿 B. billions of …数十亿 eg:The seed of the rice plant feed billions of people. 水稻的种子养活着数十亿人。

2. feed- feeds –feeding-fed- fed a. 给……食物,喂(动物)饲料,喂(婴 儿)奶 eg: How often do you feed your dog a day? 你一天喂几次狗? b. 抚养(家庭), 饲养(动物)eg: He has a large family to feed. 他养活一个大家庭。

Let’s do it
Try to talk about plants with your partner.What are the parts of plants for? Fill in the chart.

Parts of plants

What is it for?

The flowers make seeds.New plants Flowers grow from seeds.

Stems
Leaves Roots

They carry the water from the roots to the leaves and flowers. Leaves make food for the plant.

Roots bring water from the groud to the plant.

Exercise
I.根据句意及首字母提示完成单词

four 1. A plant has______ main parts.

2. Flowers leaves _______and _______ grow above ground. stems
oots R________ grow below ground. leaves 3. We eat the ________ of cabbages. 4. A carrot is a r_______. oot

5. The seeds of the rice plant f_____ us. eed
6. 1 000 000 000 is a ____________. billion

II. 根据要求完成句子。 1.Plants have four parts.划线提问 How many parts do plants have? 2. Plants have flowers because the make seeds.同上 Why do plants have flowers? 3.We can name many of the vegetables.一般疑问句 Can you name many of the vegetables? don’t they 4.Plants grow from seeds,___________ ? 反意疑问句

Thank you ! Goodbye!


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