Unit 3 Period 8 Writing—Writing an experiment report-【步步高】2023-2024学年高一英语必修第三册（外研版2019）

Period 8　Writing—Writing an experiment report Activity 1　Read for some details. Read the instructions for the experiment on P46 and answer the questions. 1．What do you think the results of this experiment will be? The egg will squeeze into the bottle. 2．What can you learn from the experiment? The experiment shows us the effect of air pressure.Air pressure indeed exists，and it is very powerful. Activity 2　Read for the structures. Read the instructions for the experiment on P46 and do the following exercises. 1．The passage tells us what will happen to the boiled egg. 2．According to the instructions，we can learn when we write an experiment report，we can use the following outline.(写作模板) Introduction：Introduce the aim of the experiment. Main body：Describe the materials used in the experiment；explain the procedure. Conclusion：Report the results and what you have learnt. Activity 3　Read for some good sentences. 1．Please find out the sentence that introduces the aim of the experiment. 答案　This experiment is designed to... 2．Please find out the sentences that describe the procedures of the experiment. 答案　Remove the shell of the egg. Carefully pour some hot water into the bottle. Shake the bottle gently. Pour out the hot water. Quickly put the egg on top of the bottle. 3．Please find out the sentence that is about the conclusion of the experiment. After the experiment，I can draw the conclusion that... 本单元的作文是写一篇实验报告。 一、格式 完成一个实验的步骤包括设计实验、做实验和写实验报告。实验报告通常包括以下内容：实验目的、实验用品、实验方法和过程、实验结果以及通过实验得出相关的结论。 实验报告要明确体现实验目的、步骤和结果，对具体实验现象的描述要客观准确，分析要全面具体，语言要简洁质朴、通俗易懂。 二、时态 写实验报告时，注意要完整介绍实验过程，用恰当的表示顺序的词语来清楚表述实验步骤。句式多用祈使句，时态多为一般现在时。 三、写正文时应注意的问题 1．围绕一个主题来展开。 2．若无法用已学语言知识来表达某种意思，可采用“同义转换法”。 3．结尾最好用一句话来总结自己的感想或体会。 常用表达 1．experiment n．实验 2．carry out/do/conduct an experiment做实验 3．aim n．目标 4．with the aim of目标是…… 5．description n．描述，描写 6．make good preparations for为……做好准备 7．find out查明 8．pour...into...把……倒入…… 9．in conclusion总之 增分靓句 1．Below is a description of a simple scientific experiment. 下面是对一个简单科学实验的描述。 2．It aims to show us.../The aim of the experiment is to... 实验的目的是…… 3．To find out if...，we carried out this experiment. 为了查明……，我们做了这项实验。 4．To do/perform/carry out the experiment，you need the following things：... 做这项实验需要如下这些…… 5．Do the experiment as follows. 按照如下步骤做此实验。 6．From my point of view，it is more reasonable to... 我认为，……更合理。 7．After the experiment，we can draw a conclusion that... 实验之后我们可以得出如下结论…… 请根据下面表格中的内容，写一篇英语短文，介绍整个实验的内容。 实验目的 证明气压(air pressure)是否存在 实验用品 一枚煮熟的鸡蛋，一个玻璃瓶子(瓶颈略小于鸡蛋)，一些热水 实验步骤 1.鸡蛋去壳； 2.将热水倒入瓶中并轻轻摇晃瓶子； 3.几分钟后把热水倒出来； 4.快速把鸡蛋放到瓶口。 实验结果 鸡蛋挤入瓶子 实验结论 气压确实存在 第一步　审题谋篇 审题 写作要求是写一篇实验报告。写作时应注意下面几点： 1．确定文体：本文为实验报告，属于说明文。 2．主体时态：以一般过去时为主。 3．主体人称：第二人称。 谋篇 第一段：点明主题，简要介绍实验目的； 第二段：详细说明实验所需的材料； 第三段：具体描写实验步骤； 第四段：说明实验结果和结论。 第二步　遣词造句 核心词汇 1．证明 prove 2．准备材料 prepare the materials 3．把蛋壳取下来 remove the shell of the egg 4．将……倒入 pour...into... 5．轻轻摇晃瓶子 shake the bottle gently 6．把鸡蛋放在瓶子的顶部 place the egg on the top of the bottle 7．挤进 squeeze into 8．得出结论 draw a conclusion 连词成句 1．这个实验是为了证明气压是否真的存在。 The experiment is designed to prove whether air pressure really exists. 2．我准备了材料，包括一枚煮鸡蛋、一个玻璃瓶和一些热水。 I prepared the materials，including a boiled egg，a glass bottle and some hot water. 3．瓶子的颈部比鸡蛋小一点。 The neck of the bottle was a bit smaller than the egg. 4．当所有的东西都准备好了，实验开始了。 When all the things were prepared，the experiment began. 5．首先，我把蛋壳取下来。然后，我小心地往瓶子里倒了一些热水，轻轻地摇了摇瓶子。 First，I removed the shell of the egg.Then，I carefully poured some hot water into the bottle，and shook the bottle gently. 6．我倒掉了热水，然后很快把鸡蛋放在瓶子的顶部。 I poured out the hot water and then quickly placed the egg on the top of the bottle. 7．鸡蛋立刻挤到瓶子里。 The egg squeezed into the bottle at once. 8．我可以得出结论。 I can draw a conclusion. 9．结论是气压确实存在。 The conclusion is that air pressure indeed exists. 10．空气的力量把鸡蛋推入瓶子。 The force of air pushed the egg into the bottle. 第三步　句式升级 1．将句2和句3用定语从句合并为一句话。 I prepared the materials，including a boiled egg，a glass bottle whose neck was a bit smaller than the egg，and some hot water. 2．将句4升级为with复合结构。 With all the things prepared，the experiment began. 3．将句8和句9用同位语从句合并为一句话。 I can draw the conclusion that air pressure indeed exists. 4．将句10改成强调句型。 It was the force of air that pushed the egg into the bottle. 第四步　组句成篇 用适当的过渡词语，把以上词汇和句子，再加上联想内容，组成一篇英语短文。 参考范文 The experiment is designed to prove whether air pressure really exists. At the beginning of the experiment，I prepared the materials，including a boiled egg，a glass bottle whose neck is a bit smaller than the egg，and some hot water.With all the things prepared，the experiment began. First，I removed the shell of the egg.Then，I carefully poured some hot water into the bottle，and shook the bottle gently.After a few minutes，I poured out the hot water.Just at the same time，I quickly placed the egg on the top of the bottle.To my astonishment，the egg squeezed into the bottle at once. After the experiment，I can draw the conclusion that air pressure indeed exists，and it is very powerful.It was the force of air that pushed the egg into the bottle. 学科网（北京）股份有限公司 $$