科科學(xué)學(xué)義務(wù)教育教科書一年級下冊河南教育報刊社編寫鄭州寫給同學(xué)們的話xiitnxumendehu可愛的動物kidednw，美麗的植物mildezhw，肥沃的土壤fiwdetrn，神奇的磁shnqdec鐵ti，還有其他有生命的hiyuqtyushnmnde、沒有生命的東西miyushnmndednxi，組成了zchnle我們賴以生存的大自然wmenliyshncndedzrn。大自然是美好和神奇的dzrnshmihohshnqde。大自然中有許許多多我dzrnzhnyuxxduduw們想知道的問題menxinzhdodewnt。科學(xué)課將引領(lǐng)我們探究世界的奧kxukjinynlnwmentnjishjideo秘m，領(lǐng)略生命的美妙和珍貴lnlshnmndemimiohzhnu。讓我們帶著自己的問題rnwmendizhezjdewnt，和探探htntn、究究jijiu、奇奇qqi、妙mio妙一起走進科學(xué)課堂吧mioyqzujnkxuktnb！奇奇探探妙妙究究中國科學(xué)院院士目錄ml準(zhǔn)備單zhnbidn元yun分工合作找fnnhzuzho證據(jù)zhnj1第一單dydn元yun水與溶解shuyrnji51水的特征shudetzhn62水和鹽的故事shuhyndeshi93水shu能nn溶解哪些物質(zhì)rnjinxiwzh11第二單drdn元yun植物zhw“保育員boyyun”141認(rèn)識常rnshichn見植物jinzhw152缺qu水的吊蘭shudedioln173陽yn光和鳳unhfn仙xin花hu20第三單dsndn元yun太陽與月tiynyyu亮lin231太陽和我們tiynhwmen242太陽對動植物的影tiyndudnzhwdeyn響xin273多du變的月bindeyu亮lin29第四單dsdn元yun空氣knq321空氣知多knqzhdu少sho332找zho空氣knq363觀察空氣unchknq39反思單fnsdn元yun我們也在找wmenyzizho證據(jù)zhnj42準(zhǔn)備單元zhnbidnyun分工合作找證據(jù)分工合作找證據(jù)fnnhzuzhozhnj你們猜，動物樂園里幾條腿的動物多？2條腿的動物多。我覺得4條腿的多。讓我們來搜集證據(jù)吧！在一分鐘內(nèi)ziyfnzhnni，數(shù)出shch2條腿和tiotuh4條腿的動物各有幾tiotudednwyuj種zhn。記錄單2條腿的動物有種。4條腿的動物有種。一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一請在規(guī)定時間內(nèi)完成觀察、記錄。第一關(guān)dyun它有幾條腿tyujtiotu游戲1第二關(guān)drun在一分鐘內(nèi)ziyfnzhnni，數(shù)出shch2條腿tiotu、4條腿和tiotuh6條腿的動物各tiotudednw有幾種yujzhn。記錄單2條腿的動物有種。4條腿的動物有種。6條腿的動物有種。2我們闖到了第幾關(guān)wmenchundoledjun？有什么闖關(guān)經(jīng)驗yushnmechununjnyn？怎樣才能更快過關(guān)呢？我們分工合作會更快更準(zhǔn)！我們來制訂一個計劃吧。我第三關(guān)沒有在規(guī)定時間內(nèi)完成。“它有幾條腿”活動分工表小組成員探探究究奇奇妙妙任務(wù)分工、記錄數(shù)2條腿的動物有幾種數(shù)4條腿的動物有幾種數(shù)6條腿的動物有幾種小貼士分工是為了更好地合作。一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一第三關(guān)我們將要數(shù)20種動物！一一一一一一一一一一一一一一一一反思制訂計劃3事實證據(jù)按照分工繼續(xù)闖關(guān)nzhofnnjxchunun，比較前后搜集到的證據(jù)bjioqinhusujdodezhnj，看看哪一次的觀察又快又準(zhǔn)knknnycdeunchyukuiyuzhn。記錄單12條腿的動物有5種。4條腿的動物有7種。6條腿的動物有種。分工前的觀察記錄單22條腿的動物有6種。4條腿的動物有7種。6條腿的動物有5種。分工后的觀察想一想xinyixin，為什么分工合作能更快更好地完wishnmefnnhzunnnkuinhodewn成任務(wù)chnrnwu？一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一好的計劃是成功的保障。4水與溶解shuyrnji第一單元dydnyun特征顏色是否透明氣味味道研究方法用眼睛看用眼睛看用鼻子聞用舌頭嘗研究結(jié)果1水shu的de特征tzhn水和其他液體有什么不同呢？我們先來研究一下水的特征吧！一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一“水的特征”研究計劃小貼士有計劃地進行觀察，會觀察得更全面、細(xì)致、準(zhǔn)確。這5個瓶子里分別裝著水、牛奶、鹽水、醋、葡萄糖水，標(biāo)簽沒了，哪一瓶是水呢？提出問題制訂計劃6一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一水的特征shudetzhn丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂丂一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一水有沒有顏色shuyumiyuyns？水是透明的嗎shushtumndem？水有沒有氣味shuyumiyuqwi？水有沒有味道shuyumiyuwido？一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一用舌頭嘗一定要在老師的指導(dǎo)下進行！水是一種沒有顏色shushyzhnmiyuyns、透明tumn、沒有氣味miyuqwi、沒有miyu味道的物質(zhì)widodewzh。觀察7號是白色的，號是褐色的，肯定都不是水！對！它們都不透明，而且號聞起來還有酸味！號味道是咸的現(xiàn)在xinzi，我們能找出哪瓶是水了wmennnzhochnpnshshule！我知道哪瓶是水了！觀察unch5個瓶子中物質(zhì)的特征并記錄下來pnzizhnwzhdetzhnbnjlxili。特征有顏色透明有氣味有味道事實證據(jù)得出結(jié)論82水和鹽的故事shuhyndeshi小紅軍巧送鹽xiohnjnqiosnyn鹽能“化”到水里嗎？小紅軍把鹽藏哪里了？買到鹽了。不準(zhǔn)帶鹽過關(guān)！把鹽藏起來。哈哈，順利過關(guān)！是把鹽“化”到水里了嗎？11223344閱讀提出問題9“把鹽化到水里”研究計劃倒一杯水。取一小勺鹽，放進水里。觀察。1準(zhǔn)zhn備好一bihoy杯水bishu。2向水中xinshuzhn倒入一小勺鹽doryxioshoyn。3看到的鹽kndodeyn慢mn慢mn變少binsho。4最后zuhu，鹽全ynqun都看不見了duknbjinle。鹽真的“化”到水里了！一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一鹽溶解在水里看不見了。小貼士如果發(fā)現(xiàn)鹽放多了，可以再加點水試試！把鹽byn“化hu”到水里doshul實驗制訂計劃制訂計劃103水能溶解哪些物質(zhì)shunnrnjinxiwzh還有哪些物質(zhì)能溶解在水里呢hiyunxiwzhnnrnjizishulne？一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一“水能溶解哪些物質(zhì)”研究計劃物質(zhì)味精沙子食用油白糖猜想驗證這些物質(zhì)能溶解嗎？讓我們先猜一猜，再去驗證。沙子能溶解嗎？我覺得白糖能！油好像味精沙子食用油白糖提出問題制訂計劃11材料超市水能溶解哪些物質(zhì)shunnrnjinxiwzh把我們觀察的結(jié)果用線連一連bwmenunchdejiuynxinlinyilin。有些物質(zhì)yuxiwzh（像食鹽xinshyn、味精wijn、白糖等bitndn）能夠溶解nnurnji在一定量的水里ziydnlindeshul，有些物質(zhì)yuxiwzh（像食用油xinshynyu、沙子等shzidn）很難溶解在水里hnnnrnjizishul。能溶解很難溶解白糖紅糖食用油沙子小貼士猜想需要用事實來驗證。味精沙子食用油白糖味精食用油沙子白糖實驗得出結(jié)論12動物生存離不開氧氣dnwshncnlbkiynq，小魚需要的氧氣從哪xioyxyodeynqcnn里來lli？原來yunli，氧氣也能溶解到水里ynqynnrnjidoshul！想一想xinyixin，生活中哪些地方用到了溶解shnhuzhnnxidfnyndolernji？拓展活動閱讀13植物zhw“保育員boyyun”第二單元drdnyun這草坪真好！這花兒真香啊！小樹小樹快快長！1認(rèn)識常見植物rnshichnjinzhw校園里的植物xioyunldezhw校園的土壤里生長著哪些植物xioyundetrnlshnzhnzhenxizhw？我們一起wmenyq來認(rèn)一認(rèn)lirnyirn。松樹的葉子尖尖的，像針一樣。桃花可真漂亮啊！狗尾草長著一條“狗尾巴”！牡丹花又大又漂亮！觀察15搶認(rèn)植物qinrnzhw我們還認(rèn)識哪些植物wmenhirnshinxizhw？看誰認(rèn)得多knshirndedu。稻子！不對！是小麥！我一看麥穗兒就知道了！我們是怎樣認(rèn)出這些植物的wmenshznynrnchzhxizhwde？向日葵的大圓盤里有很多小花。法國梧桐的葉子像手掌一樣。我知道花生是長在地下的。我們通常通過葉wmentnchntnuy、花hu、果實的特征來辨認(rèn)ushdetzhnlibinrn植物zhw。小貼士稻穗麥穗要善于表達(dá)，也要樂于傾聽。小貼士游戲表達(dá)交流162缺水的吊蘭qushudedioln植物角里的吊蘭怎么蔫了zhwjioldediolnznmeninle？一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一我們試著救活它們吧！是不是被蟲子咬了？我猜它們一定是“渴”了。我們來做個實驗吧！不會，我都找過了，沒有蟲子。小貼士大膽猜想，多角度思考問題。提出問題猜想假設(shè)17按照老師的要求nzholoshdeyoqi，做好計劃和分工zuhojhuhfnn。也不能多澆喲。我來負(fù)責(zé)澆水。我負(fù)責(zé)記錄。我們每天要澆一次水。“植物和水”研究計劃澆水次數(shù)澆水時間澆水量組長澆水記錄1號盆每天1次每天上午10點每次1勺探探奇奇妙妙2號盆不澆水小貼士按計劃進行探究，才能順利完成任務(wù)。制訂計劃181號盆2號盆按照研究計劃給植物澆水nzhoynjijhuizhwjioshu，并記錄觀察結(jié)果bnjlunchjiu。時間第一天一周后1號盆沒有變化變好2號盆沒有變化更蔫了這盆每天澆水，已經(jīng)長出新葉了！不澆水的快要死了植物需要適量的水來維持生存和生長zhwxyoshlindeshuliwichshncnhshnzhn。1號盆2號盆事實證據(jù)得出結(jié)論193陽光和鳳仙花ynunhfnxinhu為什么陽臺上wishnmeyntishn的鳳仙花綠綠的defnxinhullde、壯壯的zhunzhunde植物角的鳳仙花卻看起來蔫蔫的zhwjiodefnxinhuquknqlininninde？一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一植物生長需要陽光嗎？我們來研究一下吧。是不是又忘澆水了？那是怎么回事呢？我知道了，陽光照不到植物角。不是的，每天都澆了。提出問題猜想假設(shè)20根據(jù)研究計劃njynjijhu，做好小組分工zuhoxiozfnn。放置地點澆水次數(shù)澆水量組長1號盆有陽光的窗臺上每天1次每次1勺探探2號盆不透光的紙箱里“植物和陽光”研究計劃把一棵鳳仙花放在窗臺上，另一棵用紙箱罩起來。每天都給它們澆水。我們用鳳仙花來做實驗吧。制訂計劃21按n照zho研究計劃進行實驗ynjijhujnxnshyn，并做好觀bnzuhoun察和記錄chhjl。1號盆2號盆時間第一天一周后1號盆沒有變化2號盆沒有變化交流我們的實驗結(jié)果和發(fā)現(xiàn)jioliwmendeshynjiuhfxin。植物需要陽光來維持生存和生長zhwxyoynunliwichshncnhshnzhn。窗臺上的鳳仙花長得更壯！究究的想法是對的。事實證據(jù)得出結(jié)論22太陽與月亮tiynyyulin第三單元dsndnyun1太陽和我們tiynhwmen關(guān)于太陽unytiyn，我們都知道什么wmenduzhdoshnme？我知道太陽能夠發(fā)光，因為白天我們能夠看清東西。我猜想太陽還能發(fā)熱，因為太陽能夠發(fā)熱嗎t(yī)iynnnufrm？讓我們一起來搜集證據(jù)rnwmenyqlisujzhnj吧b。戴上太陽帽感覺有什么不一樣dishntiynmonjuyushnmebyyn？好曬啊！不那么曬了！安全提示不要直視太陽，以免傷害眼睛。事實證據(jù)提出問題觀察向陽處和背陰處unchxinynchhbiynch24摸一摸向陽處和背陰處的地面myimxinynchhbiynchdedmin，感覺有什么njuyushnme不同btn？這里的地面熱乎乎的。這里不熱。摸m一yi摸m，兩個塑料袋中的linsliodizhnde水有shuyu什么不一樣shnmebyyn？10分鐘了，快來摸摸看！這袋熱了點。我感覺向陽處熱，背陰處涼。我發(fā)現(xiàn)陽光下塑料袋中的水熱一些。太陽能夠發(fā)光發(fā)熱t(yī)iynnnufunfr。一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一把自己的發(fā)現(xiàn)如實地講出來。一一一一一一一一一一一一一一一一一一一一這袋和剛才差不多。得出結(jié)論通tn過以uy上shn觀察unch，我們有哪些發(fā)現(xiàn)wmenyunxifxin？25太陽對人類生活的影響tiyndurnlishnhudeynxin說一說shuyishu，人們這樣做與太rnmenzhynzuyti陽yn有什么關(guān)系yushnmeunx。太陽對人類生活有著重要影響tiyndurnlishnhuyuzhezhnyoynxin。觀察262太陽對動植物的影響tiyndudnzhwdeynxin太陽能夠發(fā)光發(fā)熱t(yī)iynnnufunfr，這對動植物有哪些影響zhdudnzhwyunxiynxin？植物生長需要陽光，我們以前做過實驗!我覺得我家的小狗不喜歡太陽。咱們一起來搜集證據(jù)吧。植物的生長與太陽有什么關(guān)zhwdeshnzhnytiynyushnmeun系x？幼苗生長yumioshnzhn結(jié)出果實jichush果實變色ushbins大棚種植dpnzhnzh事實證據(jù)提出問題太陽對動植物的影響tiyndudnzhwdeynxin27動物的生存與太陽有什么關(guān)dnwdeshncnytiynyushnmeun系x？接龍游戲jilnyux每人說出一個例子mirnshuchylzi，證明太陽對動物zhnmntiyndudnw、植物zhw和人類生活有著重要影響hrnlishnhuyuzhezhnyoynxin。沒有太陽，稻子不能生長，我們就沒有大米吃。太陽把我曬黑了！曬太陽的鱷魚shitiyndey納涼的小狗nlindexiou夜行的蝙蝠yxndebinf小貼士認(rèn)真思考，勇于表達(dá)和交流。游戲晨起的小鳥chnqdexionio283多變的月亮dubindeyulin引入活動猜謎語cimy有yu時sh落在山腰luzishnyo，有時掛在樹梢yushuzishsho。有時像面圓鏡yushxinminyunjn，有時像把yushxinb鐮刀lindo。想一想xinyixin，我們都見過什么樣子的月亮wmendujinuoshnmeynzideyulin？和同htn學(xué)們交流一下xumenjioliyxi。我見過彎彎的月牙！昨天晚上的月亮是圓圓的！會不會就像一個圓餅被咬掉一口的樣子？月亮是怎么由“圓盤”變成月牙的？表達(dá)交流29比一比byib，自己看到的月亮像哪一個zjkndodeyulinxinny？我們在地球上看到的月亮的樣子就是月wmenzidqishnkndodeyulindeynzijishyu相xin，月相是不斷變化的yuxinshbdunbinhude。在紙上畫出自己見過的月亮zizhshnhuchzjjinuodeyulin，再用剪刀剪下來ziynjindojinxili。設(shè)計制作事實證據(jù)30照片中有圓月亮。選擇安全的地點。在大人的指導(dǎo)下進行。隨時畫圖記錄。日期（農(nóng)歷）觀察結(jié)果日期（農(nóng)歷）觀察結(jié)果初三十五初八二十三十二二十八我們都能找到wmendunnzhodo和自hz己剪的jjinde月亮yulin相xin似s的照片嗎dezhopinm？觀察并記錄不同日期的月相unchbnjlbtnrqdeyuxin。半圓形的也有！照片中有月牙。怎么找不到這種樣子的月亮？小貼士反思觀察31第四單元dsdnyun空氣knq1空氣知多少knqzhdusho引入活動猜謎語cimy看不見knbjin，摸不著mbzho，不香不臭沒味道bxinbchumiwido。說它珍貴到處有shutzhnudochyu，動物植物離不了dnwzhwlblio。說一說shuyishu，做一做我們玩過的空氣游戲zuyizuwmenwnuodeknqyux。空氣游戲knqyux游戲33材料超市不干膠空氣可以人離不了空空氣沒有顏教室里有空氣頭腦風(fēng)暴空氣知多少knqzhdusho關(guān)于空氣我們知道些什么unyknqwmenzhdoxishnme？把它們寫下來貼在btmenxixilitizi“氣球樹qqish”上shn。空氣可以吹鼓氣球植物生長需要空氣空氣沒有味道教室里有空氣家里有空氣一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一我們知道的關(guān)于空氣的知識真多！空氣一一一一一一一一一一一一一一一一剪刀34關(guān)于空氣我們還有哪些問題unyknqwmenhiyunxiwnt？快存入kuicnr“問題wnt銀行ynhn”吧b。序號12345存入問題空氣為什么看不見？為什么空氣能讓風(fēng)車動起來？空氣是由什么組成的？空氣從哪里來？人為什么要呼吸空氣？存入時間4月10日4月10日4月12日4月12日4月13日提取時間制作紙風(fēng)車zhzuzhfnch材料超市問題銀行存折從四個角cnsjio沿yn線xin剪開彩紙jinkicizh，將jin紙zh折zh向xin中心zhnxn。用圖釘把紙yntdnbzh固定到小木棍上dndoxiomnshn，風(fēng)fn車就做好了chjizuhole。將正方j(luò)inzhnfn形彩紙沿對角xncizhyndujio線分別對折xinfnbiduzh。剪刀彩紙小木棍圖釘安全提示小心使用剪刀和圖釘，不要傷到自己和別人。提出問題設(shè)計制作352找空氣zhoknq一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一還有哪里有空氣呢？怎么找到它？猜一猜哪里有空氣ciyicinlyuknq。樓道里也有空氣。瓶子里會不會有空氣？怎樣證明？粉筆里會不會也有空氣呢？教室里有空氣家里有空氣提出問題猜想假設(shè)36我們在哪里找到了空氣wmenzinlzhodoleknq？我們的周圍充滿著空氣wmendezhuwichnmnzheknq。瓶子里也有空氣。我在樓道里兜了一袋子空氣！粉筆里真的有空氣。材料超市粉筆玻璃水槽瓶子袋子袋子鼓起來了！擠一下瓶子jyxipnzi，氣泡出來了qpochlile。事實證據(jù)得出結(jié)論找空氣zhoknq37安全提示不要自己操作喲！遷移應(yīng)用壓縮棉被ysuminbi天氣熱了tinqrle，不用的被子太占地方了byndebizitizhndfnle