{"id":3871,"date":"2023-01-09T10:33:26","date_gmt":"2023-01-09T10:33:26","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3871"},"modified":"2025-09-22T05:28:35","modified_gmt":"2025-09-22T05:28:35","slug":"s-6-d-flame","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-6-d-flame\/","title":{"rendered":"s-6.d Flame"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Flame<\/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\/DAF4tca7KTg\/JPuWnzgEkh7i9lSV4zDZow\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF4tca7KTg&#x2F;JPuWnzgEkh7i9lSV4zDZow&#x2F;watch?utm_content=DAF4tca7KTg&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">flame<\/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-665588061999e61de138a3722b67a7db\" style=\"color:#74008b\"><strong>key notes<\/strong> :<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-1024x768.png\" alt=\"\" class=\"wp-image-8250\" style=\"width:369px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-1024x768.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-300x225.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-768x576.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-1536x1152.png 1536w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-2048x1536.png 2048w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/image-1-1568x1176.png 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-337282900bc5a5ee4a47c2b5ee16ae96\" style=\"color:#000060\"><strong>Definition of a Flame<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">A flame is a visible, gaseous part of a fire. It results from the combustion of a material in the presence of oxygen.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-0ad70f0aba1b070ccfe51eea6797cfd8\" style=\"color:#000060\"><strong>Structure of a Flame<\/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=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-189.png\" alt=\"\" class=\"wp-image-18936\" style=\"width:298px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-189.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-189-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-189-150x150.png 150w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-189-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-large-font-size\"><strong>A flame typically has three zones:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Innermost Zone<\/strong>: Dark and unburnt. It contains unburnt fuel and is the coolest part.<\/li>\n\n\n\n<li><strong>Middle Zone<\/strong>: Luminous and yellow. It is moderately hot and contains partially burnt carbon particles.<\/li>\n\n\n\n<li><strong>Outermost Zone<\/strong>: Non-luminous and blue. It is the hottest part where complete combustion occurs.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-7e282a495e00d40db4543f7e21ffc5bf\" style=\"color:#000060\"><strong>Types of Flames<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"410\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-190.png\" alt=\"\" class=\"wp-image-18937\" style=\"width:381px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-190.png 720w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-190-300x171.png 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Luminous Flame<\/strong>: Yellow in color, occurs due to incomplete combustion. It produces more light and soot.<\/li>\n\n\n\n<li><strong>Non-Luminous Flame<\/strong>: Blue in color, occurs due to complete combustion. It is hotter and cleaner.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-8b65738a2b38b6000cfab8044c797807\" style=\"color:#000060\"><strong>Conditions for Combustion<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Presence of a combustible substance.<\/li>\n\n\n\n<li>Availability of oxygen.<\/li>\n\n\n\n<li>Ignition temperature (minimum temperature required to ignite the substance).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-3a33d3ea1217377fba2e2364dcfbb7e3\" style=\"color:#000060\"><strong>Examples of Flames<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"259\" height=\"194\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-191.png\" alt=\"\" class=\"wp-image-18938\"\/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Candle flame (luminous flame).<\/li>\n\n\n\n<li>Gas stove flame (non-luminous flame).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-f9b3ef4c5f8906f128444bb2aee78c14\" style=\"color:#000060\"><strong>Applications of Flames<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>In domestic cooking (blue flame for higher efficiency).<\/li>\n\n\n\n<li>In industries (welding torches use oxyacetylene flames).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-67691dc7f113351c76282f675ba08070\" style=\"color:#000060\"><strong>Safety Measures<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Avoid flammable materials near open flames.<\/li>\n\n\n\n<li>Use fire extinguishers to control accidental fires.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-57def1c68b83ce2c8910b8406f8a8c3c\" style=\"color:#000060\"><strong>Flame and Pollution<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-193.png\" alt=\"\" class=\"wp-image-18942\" style=\"width:392px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-193.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-193-300x157.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-193-768x402.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Incomplete combustion in flames releases pollutants like soot and carbon monoxide.<\/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\/81561\/098\/646\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-68.png\" alt=\"\" class=\"wp-image-7634\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-68.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-68-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-68-150x150.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\/81646\/496\/445\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-67.png\" alt=\"\" class=\"wp-image-7635\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-67.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-67-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-67-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Flame flame by Delta publications key notes : Definition of a Flame Structure of a Flame A flame typically has three zones: Types of Flames Conditions for Combustion Examples of Flames Applications of Flames Safety Measures Flame and Pollution Let&#8217;s practice!<\/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-3871","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\/3871","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=3871"}],"version-history":[{"count":23,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3871\/revisions"}],"predecessor-version":[{"id":21503,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3871\/revisions\/21503"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}