外研版高中英語必修三《The world of science》PPT教學(xué)課件(第2課時(shí))，共21頁。
Learning objectives
To read the instructions for the experiment
To learn to analyse the structure of an experiment instruction
To learn to write a report of the experiment
Procedure
the correct or usual way of doing sth. 步驟，程序
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
寫作指導(dǎo)
How to write an experiment report?
1. 審題定調(diào)：
實(shí)驗(yàn)報(bào)告屬于說明文體裁，其最大特點(diǎn)就是知識性、嚴(yán)謹(jǐn)性和科學(xué)性。它是對客觀事實(shí)的闡述，措辭應(yīng)真實(shí)嚴(yán)謹(jǐn)，準(zhǔn)確恰當(dāng)。
2. 確定主體內(nèi)容：
實(shí)驗(yàn)報(bào)告需要客觀地介紹實(shí)驗(yàn)的整個(gè)過程�？梢园凑諏�(shí)驗(yàn)?zāi)康?mdash;—實(shí)驗(yàn)器具——實(shí)驗(yàn)方法——實(shí)驗(yàn)結(jié)果——得出結(jié)論的順序依次進(jìn)行說明。介紹實(shí)驗(yàn)步驟時(shí)，可適當(dāng)使用表示順序的詞匯，使敘述條理、清楚。
3. 確定人稱、時(shí)態(tài)：
描述實(shí)驗(yàn)時(shí)，時(shí)態(tài)用一般現(xiàn)在時(shí)，人稱用第三人稱單數(shù)。
4. 核定表達(dá)：
實(shí)驗(yàn)?zāi)康模篿n order to find ...; The aim of the experiment is to find ...; with the purpose of discovering ...; do research on ...
實(shí)驗(yàn)器具：beaker; Bunsen burner; crucible; glass rod (玻璃棒); iron nail; test tube; tong; balance; ...
Homework
Write a report of an experiment that you’ve learned in your chemistry or physics class. If necessary, you can turn to the Internet for help.
If you can’t think out an experiment, here is a very simple one for you to refer to:
哪個(gè)瓶子滾得快？
兩個(gè)完全相同的玻璃瓶，一個(gè)裝滿沙，另一個(gè)裝滿水，放在同一斜面上滑下，哪個(gè)瓶子滾得比較快？動手試試，想想看，為什么？
... ... ...
關(guān)鍵詞：The world of science PPT課件免費(fèi)下載，.PPTX格式；
