div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divpA 什麼是大氣p pB 空氣的成份p pC 了解元素、化合物及混合物的定義,並把物質分類pdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp課前測試1 空氣是化合物p p2 空氣 = 氧氣p p3 氧氣在空氣的含量最多pdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divp什麼是大氣 影片p p大氣層的介紹p p問1p div class=annotationa href=http:wwwyoutubecomwatchv=4U-8a0wmvq0 rel=ugc nofollow target=_blankhttp:wwwyoutubecomwatchv=4U-8a0wmvq0adiv div class=annotationa href=http:wwwyoutubecomwatchv=4U-8a0wmvq0 rel=ugc nofollow target=_blankhttp:wwwyoutubecomwatchv=4U-8a0wmvq0adivdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divp什麼是大氣p p一層包圍地球表面的空氣p p分為四層p p是地球體積的5%pdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divp空氣成份p p氮 78%p p氧p p21%p p圖 空氣中各種氣體所佔的大約體積百分比p p其他氣體 1 %(貴氣體、二氧p p化碳和不定量的p p水蒸氣)p p問2 O2pdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divp問題:p p根據影片所說,大氣為什麼對我們非常重p p要p p問3pdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divp大氣的重要性保持地球溫暖p p二氧化碳 – 植物作光合作用p p氧 – 動物作呼吸作用p p……pdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page8jpg target=_blank amp-img class=ts-thumb alt=Page 8: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails8jpg width=142 height=106 layout=responsive amp-imga divp空氣由不同的元素和化合物組成的混合物pdivdiv class=ts-pagebuttonPage 9button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page9jpg target=_blank amp-img class=ts-thumb alt=Page 9: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails9jpg width=142 height=106 layout=responsive amp-imga divp物質的分類:純物質和混合物任何具有質量和佔有空間的東西皆稱為p p物質。p p物質可分為純物質和混合物兩大類。pdivdiv class=ts-pagebuttonPage 10button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page10jpg target=_blank amp-img class=ts-thumb alt=Page 10: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails10jpg width=142 height=106 layout=responsive amp-imga divp物質的分類:純物質和混合物p p純物質p p是指沒有與其他物質混合在一起的單一p p物質。p p混合物p p是由兩種或以上的純物質未經化學作用p p混合而成的。pdivdiv class=ts-pagebuttonPage 11button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page11jpg target=_blank amp-img class=ts-thumb alt=Page 11: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails11jpg width=142 height=106 layout=responsive amp-imga divp元素和化合物 純物質可分為元素和化合物兩類p p元素p p只由單一種原子組成,不能以化學方法p p分解成更簡單物質的純物質。p p化合物p p是由兩種或以上的元素經過化學反應結p p合而成的物質。pdivdiv class=ts-pagebuttonPage 12button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page12jpg target=_blank amp-img class=ts-thumb alt=Page 12: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails12jpg width=142 height=106 layout=responsive amp-imga divp元素、化合物和混合物p pA:元素p pB:化合物p pC:混合物 元素及元素元素及化合物畫問45解畫pdivdiv class=ts-pagebuttonPage 13button div class=ts-image a href=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5page13jpg target=_blank amp-img class=ts-thumb alt=Page 13: Bit 1 powerpoint src=https:reader042vdocumentssitereader042viewer202203221455a362bf1a28ab90148b465bhtml5thumbnails13jpg width=142 height=106 layout=responsive amp-imga divp概念圖 -物質分類物質p p純物質p p元素 化合物p p混合物pdiv