山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語Lesson-30-Keep-the-Candle-Burning_第1頁(yè)
山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語Lesson-30-Keep-the-Candle-Burning_第2頁(yè)
山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語Lesson-30-Keep-the-Candle-Burning_第3頁(yè)
山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語Lesson-30-Keep-the-Candle-Burning_第4頁(yè)
山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語Lesson-30-Keep-the-Candle-Burning_第5頁(yè)
已閱讀5頁(yè)，還剩22頁(yè)未讀， 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

Lesson30:

KeeptheCandleBurning!

Lesson30:

KeeptheCandleB1ThinkaboutitDoyouthinkscienceisinteresting?Whyorwhynot?NameoneortwofamousChinesescientist.Whatdoyouknowaboutthem?ThinkaboutitDoyouthinksci2山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語《Lesson-30-Keep-the-Candle-Burning3山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語《Lesson-30-Keep-the-Candle-Burning4山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語《Lesson-30-Keep-the-Candle-Burning5山東省茌平縣博平鎮(zhèn)中學(xué)八年級(jí)英語《Lesson-30-Keep-the-Candle-Burning6楊振寧楊振寧7Newwordsshallowadj.淺的matchn.火柴burnv.燃燒lightv.點(diǎn)燃useup用完candleholdern.蠟燭座Oxygenn.氧氣Newwordsshallowadj.淺的8matchmatch9burnburn10candleholdern.candleholdern.11觀看實(shí)驗(yàn)視頻Scienceissointeresting!I’msureyou’lllikethisexperiment!觀看實(shí)驗(yàn)視頻Scienceissointerestin12acandlematchesacandleholderadishajaracandlematchesacandleholdera13Whatdoyouneed?AcandleAcandleholderAbigglassjarAshallowdishwithwatermatchesWhatdoyouneed?Acandle14Whatdoyoudo?

1.Putthecandleinthecandleholder.2.Putthecandleholderinhedish.3.Fillthedishhalffullofwater.4.lightthecandle.5.letthecandleburnfortwoorthreeminutes.6.carefulputthejaroverthecandleuntilthetopofthejarrestsonthedish.7.lookatthewaterinthejar.Whatobservationcanyoumake?Whatdoyoudo?

1.Putthecan15Putthecandleinthecandleholder.Putthecandleinthecandleho16Putthecandleholderinthedish.Putthecandleholderinthedi17Fillthedishhalffullofwater.Fillthedishhalffullofwat18Lightthecandle.Lightthecandle.19Nowthecandleisburning.Letthecandleburnfortwoorthreeminutes.Nowthecandleisburning.Let20Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish.Carefullyputthejaroverthe21Thewaterinthejarrises.Whatwillhappen?Thewaterinthejarrises.Wha22Whatishappening?Asthecandleburns,itusesupoxygenintheair.Whenthecandlestopsburning,ithasusedupalltheoxygeninthejar.Thewaterinsidethejarthenrises.Howfardidthewaterrise?Thereisaboutone-fifthoxygenintheair,sothewaterrisesandfillsaboutone-fifthofthejar.Whatishappening?Asthecandl23Thinkaboutit!Whycanthewatergoup?Asthecandleburns,itusesupoxygenintheair.Whenthecandlestopsburning,ithasusedupalltheoxygenintheairinthejar.Thewaterthenrises.Thinkaboutit!Whycanthewat24AreportWhatdoyouneed?Weneed_______________.Whatdoyoudo?First,_________________.Second,_______________.Then,_________________....Whatishappening?_______________________.AreportWhatdoyouneed?Wene25First,______thecandle____thecandleholder.____,putitinthe_____.Third,____thedish___fullofwater.Fourth,_____thecandle.Then,letthecandle______for2or3minutes.Finally,putthejar_____thecandle____thetopofthejarrestsonthedish.whatcanyoufind?Thewaterinthejar_____becausethecandlehas____upthe_____intheairinthejar.Fillinthe

溫馨提示

  • 1. 本站所有資源如無特殊說明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間，僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

最新文檔

評(píng)論

0/150

提交評(píng)論