Unit 8 Discoveries
Lesson 24 An Experiment Report
教材分析
本课为第8单元第三课，是一节阅读课。本课是一篇实验报告，主要内容为种植马铃薯的步骤和经过。文本包括：实验准备，实验过程观察记录，实验的收获和感想三部分内容。本课还着重培养学生记笔记的学习策略。本课只有九个单词，没有明显的语法，但是通过阅读使学生了解成功种植植物需要的元素，认识到成功做事需要耐心和努力。本课为下一课的写作输出打下了语言和精神基础。
教学目标
【知识目标】
通过阅读文本获取实验报告的基本结构。即：实验准备，实验过程观察记录，实验的收获和感想。
【能力目标】
通过进一步阅读文本，获取实验细节信息和实验收获并完成表格填写。在阅读任务中训练记笔记的策略。
【情感目标】
通过阅读使学生了解成功种植植物需要的元素，认识到成功做事需要耐心和努力。
教学重难点
【教学重点】
通过反复阅读充分理解文本，理解实验报告的结构和细节。
【教学难点】
通过阅读获取整体和细节信息。 课前准备：
1. 课前准备：调试光盘与课件、给学生分组、为学生布置预习作业等；
2. 教具学具：光盘、大卡片等。
教学过程
Step1. Warm-up
1. Do a free talk about the experiment items.
2. Teach microscope, sprouts, and pots and their usages.
3. Make a discussion about experiment.
Have you done any experiments before?
What were they?
Did you write an experiment report?
Step2. Reading
1. Skim and answer the questions about the details in the report.
2. Read the reading Help. Read the experiment report and fill in the table.
3. Skim the report quickly to understand the purpose of the experiment.
4. Look at the tables and pictures to get key information.
5. Write down key words like numbers, dates and actions.
6. Read the second part and fill in the form.
7. Read the last part and answer the questions about planting potatoes.
8. Let students speak out the evaluation on the experiment.
Step3. Language points
1. water v.给…浇水； 供以水
He went out to water the plants.
2. sprout n. 幼芽，新梢 vi.发芽； 抽芽
The two sides agreed to honour a new ceasefire.
3. soil n. 泥土； 土地，国土
We have the most fertile soil in Europe.
under the soil 土壤里
4. fail to do sth. 做什么事失败
He failed in his attempt to take control of the company.
succeed in/with sth. 做某方面成功
Step4. Consolidation
1. Get students to figure out the main theme of the experiment report.
2. Summarize the results each day in the experiment.
3. Read the experiment report and answer the questions.
4. Fill in the blanks in the experiment report.
5. Think about an experiment you did before.
1) Practice describing the experiment in oral English in pairs.
2) In groups, have an interview.
3) In the end, choose a group to show in front of class.
Step5. Homework
Write a short passage to describe the new experiment.
课件30张PPT。Do you know the following things?
Have you seen or used these things?Warm-up Microscope Have you ever seen this machine
before?
What’s the name of it?
What is it for?
We can observe things that our eyes can’t see by microscope.What’s this?
Can we eat it? Why?
It’s a potato with sprouts.
We mustn’t eat it.
They are flower pots with soil.Soil is important for plants.
Do you know what it is?
What can you do with it?
What do you need to grow flowers?Have you done any experiments before?
What were they?
Did you write an experiment report?What’s the passage about?It's about an experiment on growing potato plants.1. Skim and answer the questions.ReadingHow many parts are there in the report? What are they?Three. They are things prepared, observation and what the reporter has learned. 2. Read the reading Help. Read the experiment report and fill in the table.Reading Help: Taking notesSkim the report quickly to understand the purpose of the experiment.
Look at the tables and pictures to get key information.
Write down key words like numbers, dates and actions.
Use short forms or symbols, e. g. > = bigger, x = not, = because.Read the second part and fill in the form.planttalleris getting larger Three
more new sproutsto grow tallernew sprouts3 cmwonder how fastexcitinghopegrow fasterbe a bit more patientexcitedthey will soon grow into new potatoesinterested,excited, patientRead the last part and answer the questions.1. What should be prepared?
A potato, a flower pot and a camera.2. How does the writer feel when she sees the progress of the plant?She’s excited.3. What do you need to do to grow potato plants successfully?
4. How is growing plant similar to trying to succeed in life?You need to be patient and make sure the plants have enough water and the temperature is right.It takes not only time, but also lots of effort and patience.Let’s read !Do you think this is a good experiment for six-year-kids? Why or why not?Your Opinion 1. water v.给…浇水； 供以水
He went out to water the plants.
2. sprout n. 幼芽，新梢 vi.发芽； 抽芽
The two sides agreed to honour a new ceasefire.Language points3. soil n. 泥土； 土地，国土
We have the most fertile soil in Europe.
under the soil 土壤里
4. fail to do sth. 做什么事失败
He failed in his attempt to take control of the company.
succeed in/with sth. 做某方面成功What’s the passage about?It's about an experiment on growing potato plants.ConsolidationHow many parts are there in the report? What are they?Three. They are things prepared, observation and what the reporter has learned. What should be prepared?
A potato, a flower pot and a camera.How many days do the report record?5 days.Can you describe them?Day One ; The colour of the soil ; tiny sprout ;
call it BuddyDay Six ; Without much change; grow taller Day Eleven ; larger ; more new sprouts;
Green leavesDay Thirteen ; continue to grow ;
excited ; more new sproutsDay Fifteen; finally ;
3 cm tall ; grow into Please turn to page 165 on workbookRead the experiment report and answer the
questions .What was the purpose of the experiment ?
2. How many weeks did it take for all the frog eggs to hatch ?
3. What has the writer learned about the natural world ？To grow a frog.2 weeks.That it’s amazing.Nothingthe same Someare hatchingexcitingAllhatchedtiny tadpolesThink about an experiment you did before
1) Practice describing the experiment in oral English in pairs.
2) In groups, have an interview.
3) In the end, choose a group to show in front of class.Write a short passage to describe the new experiment.Homework
