外研版高中英語必修三《The world of science》SectionC PPT課件，共14頁。
Vocabulary
1. experiment
an experiment with/on... 關于……的實驗
perform/carry out/do/conduct an experiment 做實驗
experiment with/on... 用……做實驗/試用……
練習：____________________ (用……做實驗) mice can give us an idea of the effect of the disease on humans.
2.attach
attach . . .to. . . 把……系于……；把……附在……上（to為介詞）
attach (great/little) importance/value/weight/significance to. . . 認為……（很有／幾乎沒有）重要性／價值／分量／意義（to為介詞）
attached adj.愛慕，依戀；附屬于
be attached to. . . 附屬于……；依戀/愛慕……
attachment n.附屬物，附件；愛慕，依戀
練習：My younger brother is studying in a high school __________ (attach) to Renmin University of China.
3. conduct
conduct a survey/an experiment/an interview 進行調查/實驗/面試
conduct oneself well/badly 表現好/差
conductor n.（樂隊）指揮；（公共汽車上的）售票員；列車長；導體
conductive adj. 具有傳導性的
注意：conduct 詞性不同時，發音不同，重音位置也不同，作名詞時重音在前，作動詞時重音在后，可以概括為“名前動后”。此類單詞常見的還有 transport, import, increase 等。
練習：Yesterday our chemistry teacher ___________ an experiment on wood to see whether it was __________, and after the experiment we drew a conclusion that wood was a poor _________ of heat.
4. account
give an account of. . . 描述……
open/close an account 開戶／銷戶
have an account at/with a bank 在銀行有賬戶
account for. . . 是……的原因；解釋……；（數量上、比例上）占……
account sb. + adj. /n. 認為某人……(常用于被動語態）
on account of 因為，由于
on no account 決不，絕對不（位于句首時，句子用部分倒裝）
take sth. into account(=take account of sth.) 考慮到某事，顧及某事
練習：Lighting accounts ___________ about 7% of the total electricity consumed in the US.
Think & Share
1. Do you think it matters that Franklin's experiment might not be true? Why?
2. What is your opinion about the statement ". . .we should not always believe everything we read or hear-even if it is a great story"?
3. What qualities do you think a great scientist should have?
4. In what ways do scientists contribute to society?
Firstly, scientific discoveries promote the development of our society. Secondly, the contributions of scientists in medicine extend our life span. Thirdly, scientists have invented a lot of surprising tools that fundamentally improve our living standards.
如何寫實驗報告
完成一個實驗的步驟有設計實驗、做實驗和寫實驗報告。
寫實驗報告時，注意要完整介紹實驗過程，用恰當的表示順序的詞語來清楚表述實驗步驟。句式要多用祈使句，時態多為一般現在時。
實驗報告通常包括以下內容：
1.實驗目的：表明為什么要做這個實驗。
2.實驗用品：交代做實驗要用的物品。
3.實驗方法和過程：清楚、具體地寫明實驗步驟。在組織文字時，要正確運用表示順序的詞。
4.實驗結果：如實且正確地記錄實驗現象或數據。
5.結論：通過實驗得出相關的結論。
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