{"id":3302,"date":"2022-12-13T06:02:48","date_gmt":"2022-12-13T06:02:48","guid":{"rendered":"https:\/\/5thclass.deltapublications.in\/?page_id=3302"},"modified":"2025-09-11T11:05:49","modified_gmt":"2025-09-11T11:05:49","slug":"s-9-a-igneous-rocks","status":"publish","type":"page","link":"https:\/\/5thclass.deltapublications.in\/index.php\/s-9-a-igneous-rocks\/","title":{"rendered":"s-9.a Igneous Rocks"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Igneous Rocks<\/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\/DAGFTWsyEAw\/L5HoR_yS5CeqoM_vZ7IIww\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGFTWsyEAw&#x2F;L5HoR_yS5CeqoM_vZ7IIww&#x2F;watch?utm_content=DAGFTWsyEAw&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">igneous rocks<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Formation of Igneous Rocks<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"717\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-149.png\" alt=\"\" class=\"wp-image-13367\" style=\"aspect-ratio:1.3389121338912133;width:307px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-149.png 960w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-149-300x224.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-149-768x574.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Igneous rocks are formed from the cooling and solidification of molten rock, known as <strong>magma<\/strong> (inside the Earth) or <strong>lava<\/strong> (when it reaches the surface).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Types of Igneous Rocks<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Intrusive (Plutonic) Igneous Rocks<\/strong>: Form when magma cools slowly beneath the Earth&#8217;s surface, resulting in large crystals (e.g., <strong>granite<\/strong>).<\/li>\n\n\n\n<li><strong>Extrusive (Volcanic) Igneous Rocks<\/strong>: Form when lava cools quickly on the Earth&#8217;s surface, resulting in small or no crystals (e.g., <strong>basalt<\/strong>).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Characteristics of Igneous Rocks<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>They are typically <strong>hard<\/strong> and <strong>dense<\/strong>.<\/li>\n\n\n\n<li>They can be <strong>glassy<\/strong> or <strong>grainy<\/strong> in texture depending on how fast they cool.<\/li>\n\n\n\n<li>They contain <strong>minerals<\/strong> such as quartz, feldspar, and mica.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Examples of Igneous Rocks<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Granite<\/strong>: An intrusive igneous rock that has large, visible crystals and is commonly used in construction.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"612\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-150.png\" alt=\"\" class=\"wp-image-13372\" style=\"aspect-ratio:1.088235294117647;width:279px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-150.png 666w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-150-300x276.png 300w\" sizes=\"auto, (max-width: 666px) 100vw, 666px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Basalt<\/strong>: An extrusive igneous rock that forms from lava flows and is the most common rock on the ocean floor.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"261\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-151.png\" alt=\"\" class=\"wp-image-13373\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-151.png 360w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-151-300x218.png 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Pumice<\/strong>: A light, porous extrusive rock that can float on water due to trapped gas bubbles during formation.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"300\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-152.png\" alt=\"\" class=\"wp-image-13374\" style=\"aspect-ratio:1.3333333333333333;width:352px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-152.png 400w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-152-300x225.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Uses of Igneous Rocks<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Granite<\/strong> is used for building and monuments due to its durability.<\/li>\n\n\n\n<li><strong>Pumice<\/strong> is used in personal care products (like exfoliants) and in polishing.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Role in Earth&#8217;s Structure<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Igneous rocks are a major component of the Earth&#8217;s <strong>crust<\/strong>, forming both continental and oceanic plates.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\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\/81664\/655\/504\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-40.png\" alt=\"\" class=\"wp-image-5212\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-40.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-40-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-40-150x150.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\/82632\/812\/994\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-40.png\" alt=\"\" class=\"wp-image-5213\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-40.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-40-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-40-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Igneous Rocks igneous rocks by Delta publications Key Notes: Formation of Igneous Rocks: Types of Igneous Rocks: Characteristics of Igneous Rocks: Examples of Igneous Rocks: Uses of Igneous Rocks: Role in Earth&#8217;s Structure: 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-3302","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3302"}],"version-history":[{"count":12,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3302\/revisions"}],"predecessor-version":[{"id":15774,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3302\/revisions\/15774"}],"wp:attachment":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}