{"id":3671,"date":"2022-12-14T04:19:41","date_gmt":"2022-12-14T04:19:41","guid":{"rendered":"https:\/\/2ndclass.deltapublications.in\/?page_id=3671"},"modified":"2025-08-25T09:16:41","modified_gmt":"2025-08-25T09:16:41","slug":"s-15-c-air","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-15-c-air\/","title":{"rendered":"s-15.c Air"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"><strong>Air<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAGdFjyN2MU\/I9W35ot5Sp5TRXO4_ErHAQ\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGdFjyN2MU&#x2F;I9W35ot5Sp5TRXO4_ErHAQ&#x2F;watch?utm_content=DAGdFjyN2MU&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">air<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-49-1024x724.png\" alt=\"\" class=\"wp-image-9981\" style=\"aspect-ratio:1.4143646408839778;width:342px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-49-1024x724.png 1024w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-49-300x212.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-49-768x543.png 768w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-49.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-ac2bc047fac346cd34a46d2a76287634\" style=\"color:#74008b;text-transform:capitalize\">key notes:<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-ba26d489faa7ec061a17d7e9cbf0a9b5\" style=\"color:#000060\"><strong>What is Air?<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"582\" height=\"343\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-286.png\" alt=\"\" class=\"wp-image-20266\" style=\"width:307px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-286.png 582w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-286-300x177.png 300w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Air is all around us, even though we cannot see it.<\/li>\n\n\n\n<li>It is a mixture of gases that we need to live.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-166ecaef3f7f0af3f7dbc3e8fb06a138\" style=\"color:#000060\"><strong>Properties of Air:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Air is invisible (we cannot see it).<\/li>\n\n\n\n<li>Air has no smell or taste.<\/li>\n\n\n\n<li>Air takes up space.<\/li>\n\n\n\n<li>Air can move, which we feel as wind.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c5cc496928899ac81da56c7478a0c7f9\" style=\"color:#000060\"><strong>Uses of Air:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"281\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-285.png\" alt=\"\" class=\"wp-image-20264\" style=\"width:436px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-285.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-285-300x169.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>We breathe air to stay alive (oxygen in air is essential for humans and animals).<\/li>\n\n\n\n<li>Plants use air to make food (carbon dioxide during photosynthesis).<\/li>\n\n\n\n<li>Air helps birds, airplanes, and kites fly.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c270768ea2dbc7b92048e0e1907359ac\" style=\"color:#000060\"><strong>Activities with Air:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Blowing up balloons shows that air takes up space.<\/li>\n\n\n\n<li>Feeling the wind shows how air moves.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c6c33d77ba901d20eab30b60b9ee8bd9\" style=\"color:#000060\"><strong>Importance of Clean Air:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Clean air is important for health.<\/li>\n\n\n\n<li>Pollution makes air dirty and can harm living beings.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-9fbf535d7ccfbfae4f571347e9978e2c\" style=\"color:#000060\"><strong>Ways to Keep Air Clean:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Avoid burning garbage.<\/li>\n\n\n\n<li>Plant trees to purify the air.<\/li>\n\n\n\n<li>Use less smoke-producing vehicles.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-8c39958180892ade251ef8069346dc48\" style=\"color:#000060\"><strong>Fun Facts About Air:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Air pressure can hold things down (like papers on a table).<\/li>\n\n\n\n<li>Air helps things float (like a hot air balloon).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">Let&#8217;s practice!\ud83d\udd8a\ufe0f <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81987\/990\/260\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-168.png\" alt=\"\" class=\"wp-image-6209\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-168.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-168-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-168-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-168-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82477\/577\/952\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-166.png\" alt=\"\" class=\"wp-image-6210\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-166.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-166-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-166-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-166-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Air air by Delta publications key notes: What is Air? Properties of Air: Uses of Air: Activities with Air: Importance of Clean Air: Ways to Keep Air Clean: Fun Facts About Air: Let&#8217;s practice!\ud83d\udd8a\ufe0f<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3671","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3671"}],"version-history":[{"count":18,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3671\/revisions"}],"predecessor-version":[{"id":22124,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3671\/revisions\/22124"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}