{"id":3837,"date":"2023-01-09T10:30:43","date_gmt":"2023-01-09T10:30:43","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3837"},"modified":"2025-11-06T05:19:50","modified_gmt":"2025-11-06T05:19:50","slug":"s-2-g-nitrogen-cycle","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-2-g-nitrogen-cycle\/","title":{"rendered":"s-2.g Nitrogen Cycle"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Nitrogen Cycle<\/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\/DAF3xbhZ9jA\/PWtHRa3AipA7q6eQdmzAFA\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF3xbhZ9jA&#x2F;PWtHRa3AipA7q6eQdmzAFA&#x2F;watch?utm_content=DAF3xbhZ9jA&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">nitrogen cycle<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-89e8dc12f1bf64c243861d8187b235e6\" style=\"color:#74008b\"><strong>key notes:<\/strong>&#8211;<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f5f7ec4f211743c6bffba8b2dcafb8e4\" style=\"color:#000060\">\ud83c\udf31 <strong>Nitrogen Cycle \u2013 Key Notes<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udd39 What is Nitrogen?<\/h4>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-1024x579.jpg\" alt=\"\" class=\"wp-image-20904\" style=\"width:440px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-1024x579.jpg 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-300x170.jpg 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-768x434.jpg 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen.jpg 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Nitrogen is a <strong>colorless, odorless gas<\/strong>.<\/li>\n\n\n\n<li>It makes up about <strong>78% of the Earth\u2019s atmosphere<\/strong>.<\/li>\n\n\n\n<li><strong>Plants and animals need nitrogen<\/strong> to build proteins and grow.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-e036cc305245045b0fc929df76299922\" style=\"color:#000060\">\ud83d\udd04 <strong>What is the Nitrogen Cycle?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">The <strong>Nitrogen Cycle<\/strong> is the process by which <strong>nitrogen moves<\/strong> between the air, soil, plants, animals, and back into the air.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-Cycle-2-1024x579.jpg\" alt=\"\" class=\"wp-image-20905\" style=\"width:483px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-Cycle-2-1024x579.jpg 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-Cycle-2-300x170.jpg 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-Cycle-2-768x434.jpg 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2025\/07\/Nitrogen-Cycle-2.jpg 1472w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-8ed16d6cf0f41676b2f27949ebbb070e\" style=\"color:#000060\">\ud83d\udd0d <strong>Steps in the Nitrogen Cycle:<\/strong><\/h3>\n\n\n\n<p class=\"has-large-font-size\"><strong>Nitrogen Fixation<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">Nitrogen in the air (<strong>N\u2082<\/strong>) is <strong>converted into a usable form<\/strong> (like ammonia).<\/p>\n\n\n\n<p class=\"has-large-font-size\">Done by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lightning<\/strong> (natural)<\/li>\n\n\n\n<li><strong>Nitrogen-fixing bacteria<\/strong> (in soil or root nodules of plants like peas, beans).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>Nitrification<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ammonia<\/strong> is changed into <strong>nitrates and nitrites<\/strong> by bacteria in the soil.<\/li>\n\n\n\n<li>These are forms plants can absorb.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>Assimilation<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plants <strong>absorb nitrates<\/strong> from the soil.<\/li>\n\n\n\n<li>Animals <strong>eat plants<\/strong> and use nitrogen to build <strong>proteins<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>Ammonification (Decay)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When <strong>plants and animals die<\/strong>, decomposers (like bacteria and fungi) <strong>break them down<\/strong>.<\/li>\n\n\n\n<li>Nitrogen returns to the soil as <strong>ammonia<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>Denitrification<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Other bacteria<\/strong> convert nitrates back into <strong>nitrogen gas (N\u2082)<\/strong>.<\/li>\n\n\n\n<li>This gas returns to the <strong>atmosphere<\/strong>, completing the cycle.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f7085ff52a52af2a3575fb7b6c523727\" style=\"color:#000060\"><strong>\ud83c\udf3e Importance of the Nitrogen Cycle<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Helps in <strong>plant growth<\/strong>.<\/li>\n\n\n\n<li>Maintains <strong>balance of nitrogen<\/strong> in the atmosphere.<\/li>\n\n\n\n<li>Supports <strong>food chains and ecosystems<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-0f20d41cd35470dc067748289ed6f1b6\" style=\"color:#000060\"><strong>\ud83e\udde0 Fun Fact:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Without the nitrogen cycle, <strong>plants wouldn\u2019t grow<\/strong>, and all life on Earth would be affected!<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>let&#8217;s practice!<\/strong><\/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\/75882\/180\/749\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-52.png\" alt=\"\" class=\"wp-image-7586\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-52.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-52-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-52-150x150.png 150w\" 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\/75914\/792\/824\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-51.png\" alt=\"\" class=\"wp-image-7587\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-51.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-51-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-51-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nitrogen Cycle nitrogen cycle by Delta publications key notes:&#8211; \ud83c\udf31 Nitrogen Cycle \u2013 Key Notes \ud83d\udd39 What is Nitrogen? \ud83d\udd04 What is the Nitrogen Cycle? \ud83d\udd0d Steps in the Nitrogen Cycle: Nitrogen Fixation Nitrogen in the air (N\u2082) is converted into a usable form (like ammonia). Done by: Nitrification Assimilation Ammonification (Decay) Denitrification \ud83c\udf3e Importance<a class=\"more-link\" href=\"https:\/\/8thclass.deltapublications.in\/index.php\/s-2-g-nitrogen-cycle\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-2.g Nitrogen Cycle&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3837","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3837"}],"version-history":[{"count":29,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3837\/revisions"}],"predecessor-version":[{"id":22138,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3837\/revisions\/22138"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}