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1、Word文檔,下載后可任意編輯 教科版(2019秋)四年級上冊科學(xué)試題第一單元 聲音 測試題(答案)MIME-Version:1.0Content-Type:multipart/related;boundary=_NextPart_01D7AD3C.10AFF910?Web?Web?Web?Windows?InternetExplorer?=_NextPart_01D7AD3C.10AFF910Content-Location:file:/C:/EC90D809/file5465.htmContent-Transfer-Encoding:quoted-printableContent-Type
2、:text/html;charset=us-ascii第一單聲音單元測驗(yàn)卷-2021-2022學(xué)年科學(xué)四年級上冊-教科版(含答)一.選擇題1.下列說法正確=的是()。A.用手拍打墻面=,可以聽到聲音,但看到墻在振動(dòng),說發(fā)聲時(shí)不一定要振動(dòng)A.噪音會(huì)使人心=煩意亂B.汽車的消音器=可以消減噪音C.噪音計(jì)是用來=測量聲音強(qiáng)弱的儀器D.為了防止外界=噪音損害聽力,使用機(jī)時(shí)我們可以將耳的音量調(diào)到最大4.流水的聲音是=由()。A.水的振動(dòng)產(chǎn)生=的B.空氣的振=動(dòng)產(chǎn)生的C.巖石的振=動(dòng)產(chǎn)生的二.填空題1.圖書館傳來“哈哈哈的笑聲,這是(),是主的環(huán)境污染因素之。2.尺子伸出桌面=(),發(fā)出聲音高;尺子伸出面
3、(),發(fā)出聲音低。3.鼓聲是由()振動(dòng)產(chǎn)的;刮風(fēng)聲是由()振動(dòng)產(chǎn)的;人的講話聲是()振動(dòng)產(chǎn)的。4.聲音能在()體,()體,()體中傳。三.是非題1.使橡皮筋發(fā)出=聲音只能拉直撥動(dòng)。)2.減少噪音對我=們的身體健康沒什么響。()3.聲音能在空氣=中傳播,但不能在水傳播。()4.為了防止琴弦=松脫,琴弦調(diào)得越緊好。()四.連線題1.請將耳朵的結(jié)=構(gòu)與功能用線連起來外&=#32819;道將聲波轉(zhuǎn)化為振動(dòng)鼓&=#33180;=傳遞振動(dòng)到內(nèi)聽&=#23567;骨傳遞聲波到中耳耳&=#34583;=將聽覺信號(hào)傳到大腦聽&=#35273;神經(jīng)振動(dòng)轉(zhuǎn)化為聽覺信耳&=#37101;=能幫助我們收聲音五.問答題1
4、.停止敲鑼后,=在一段時(shí)間內(nèi)還能聽鑼聲,這是為什么2.抽出玻璃罩內(nèi)=的空氣,鬧鐘的聲音什么變化?怎樣解我們看到的現(xiàn)象?聲&=#38899;的傳播與空氣有關(guān)嗎?六.材料題1.小明和小剛用=細(xì)棉線連接兩個(gè)紙杯了個(gè)“土電話。之后倆人相距5米,一端的小輕聲講話,另一端的&=#23567;剛也能聽得很清楚為什么?在用“土電話時(shí),如果其中一人手捏住棉線,另一人就聽不到聲音了,=為什么?參考答一.選擇題1.B2.C3.D4.A二.填空題1.噪聲2.短;長=3.鼓皮;空氣;=聲帶4.氣體;液體;=固體三.是非題.四.連線題1.如下:3D/uploads/image/ueditor/2021011
5、6/1610796217725140.png五.問答題1.敲擊停止,鑼=面的振動(dòng)還沒有停止發(fā)出的聲音還在傳。2.聲音會(huì)消失。=真空不能傳播聲音。音的傳播需要介質(zhì)空氣被抽出后,聲音&=#23601;不能傳播了。六.材料題1.因?yàn)槊蘧€可以=傳播聲音。因?yàn)橛檬肿∶蘧€后阻礙了它振動(dòng),聲音就無法傳&=#25773;出去了。=_NextPart_01D7AD3C.10AFF910Content-Location:file:/C:/EC90D809/file5465.files/themedata.thmxContent-Transfer-Encoding:base64Content-Type:applic
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