Lesson 26 Keep the Candle Burning优秀教学实录

lesson 26 Keep the candle burning!教学设计

lesson 26 Keep the 课题

课型

New 课时

One candle burning !

教

学

目

标

一、重点词汇

holder

shallow

lighter

match

examine

oxygen

教学

重点

§X§X§K][来源学§科§网Z知识目标:Words and expressions 能力目标: Do experiments following the steps

德育目标: Learn about some of the literary and language elements. 二、重点句型及短语

1）Fill the dish half full with water . 2）use

up 3）be made up of

4)

one fifth 教学

分数表达法

难点

教法

学法

教具[来源:Zxxk.Com]Talk ,listen , read, practice Talk ,listen , read, practice

tape slides

板

书

lesson 26 Keep the candle burning!

Useful expressions

one fifth

设

计

教学过程

Step 1.Greeting

and

review 做好上课的准备。

Step 2. Think about it. 1. Do you like doing science experiments ? 设计意图：让学生思考讨论问题，进入本课主题。

Step3.

Try to answer the questions.

Listen and read.

two

What do you need to do the experiment? 1. learn new words. 设计意图：通过实验器材学习单词

Step 4.

Listen, Read and Fill

1. ____the candle ____the

Discuss the differences between stories and poems.

candle holder.(分小组学习) 2. ____the candle holder ____the dish. 3. ____the dish ___________water . 4. ______the candle . 5. ____the candle____ for two or three minutes .

6.Carefully ____the jar over the candle ____ the

top of the jar rests on the dish.

[来源学科网]

7._______the water in the jar.

设计意图：让学生学习实验步骤

Step 5 Predict [prɪˈdɪkt]预测;

and Discuss

设计意图：做实验预测结果

Step 6

do exercise (分小组学习)

Let’s do an experiment. First put

the _____

in the

_____________. Put the candle holder ___________. Fill the

dish____________ water. After that, we can ______ the

candle. Let the candle _____ for two or three minutes. At last

put the jar over the candle. What can we see? As the candle Let the students burns, it ____ oxygen in the air. When the candle tell the stops

, it has ______ all

the _______ in the differences air.

The

water

inside

the

jar ____ and fills about between stories _______ of the jar. This is because about one fifth of the air and poems. ___________ oxygen.

设计意图：掌握课文

Step 7. Language Points

1 ）分数表达法

分子用基数词，

分母用序基数词，

分

子﹥

1

分母加

S

one

fifth

four

fifths

one

third

two

thirds one fourth

a / one quarter three sevenths

three fourth

seven

thirteenths

a / one half

2）use

up

意为_____________

eat up

“吃光”

drink up

“喝光”

Jim used up his money to buy the computer. He drank up all the water. 3）be made up of

"用.......构成或组成的”。

指结构成分，指人、物皆可。

e.g

Our class is made up of 36 students.

Animal bodies are made up of cells.[sel] 细胞

归纳：be made from

be made of

be made by

be made in

课

堂

测

试

题

1.（2014.黔西南中考）

Which is the biggest number of the four?________

Do some exercises.

A. One third

B.Two thirds

C. A half

D. A quarter 2. (2014.黄石中考）

There are _________ doctors in the hospital;_________ of them are women doctors.

A. two hundred;

two fifth

B. two hundreds;

two fifth

C. two hundred;

two fifths

D. two hundreds;

two fifths 3. (2014.黄石中考)

The student’s can’t go home______ they finish cleaning the classroom, for it’s their duty.

A.when

B.since

C.if

D.until impolite.

教

学

反

思

优点：（1）课堂教学信息量，教学活动的广度和密度以及多媒体的使用得以体现。（2）小组合作交流学习，培养了学生相互合作的精神。（3）小组活动培养了学生的口语表达能力（4）。学生能主动参与到活动中去。不足：（1）小组成员之间缺乏必要的人际交流和小组合作技能。（2）小组合作学习前，教师应进行适当的讲述。（3）学优生在小组活动中处于主宰地位，承担了主要的职责，学困生则处于从属或忽略地位。