{"id":3312,"date":"2022-12-13T06:04:05","date_gmt":"2022-12-13T06:04:05","guid":{"rendered":"https:\/\/5thclass.deltapublications.in\/?page_id=3312"},"modified":"2025-09-11T11:10:49","modified_gmt":"2025-09-11T11:10:49","slug":"s-10-b-how-is-soil-formed","status":"publish","type":"page","link":"https:\/\/5thclass.deltapublications.in\/index.php\/s-10-b-how-is-soil-formed\/","title":{"rendered":"s-10.b How Is Soil Formed?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>How Is Soil Formed?<\/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\/DAGFxaEW8n0\/vQoSSPtzckLWxldxibuWQQ\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGFxaEW8n0&#x2F;vQoSSPtzckLWxldxibuWQQ&#x2F;watch?utm_content=DAGFxaEW8n0&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">how is soil formed?<\/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<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 has-large-font-size\" style=\"color:#000060\"><strong>Soil Formation Process<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weathering<\/strong>: Soil is formed from rocks through a process called weathering. Weathering breaks down rocks into smaller particles.<\/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=\"781\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-1024x781.png\" alt=\"\" class=\"wp-image-13418\" style=\"aspect-ratio:1.3111395646606914;width:313px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-1024x781.png 1024w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-300x229.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-768x586.png 768w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-1536x1172.png 1536w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174-1568x1197.png 1568w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-174.png 1908w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Physical Weathering<\/strong>: Rocks can be broken down by wind, water, and temperature changes. For example, water freezing in cracks of rocks can cause them to split.<\/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=\"687\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-175-1024x687.png\" alt=\"\" class=\"wp-image-13419\" style=\"aspect-ratio:1.490538573508006;width:352px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-175-1024x687.png 1024w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-175-300x201.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-175-768x515.png 768w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-175.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Weathering<\/strong>: Chemical reactions can change the minerals in rocks, turning them into different substances.<\/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=\"356\" height=\"404\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-177.png\" alt=\"\" class=\"wp-image-13422\" style=\"aspect-ratio:0.8811881188118812;width:277px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-177.png 356w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-177-264x300.png 264w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Role of Organic Matter<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Decaying Plants and Animals<\/strong>: Dead plants and animals decompose and mix with soil, adding nutrients and forming a layer called humus.<\/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=\"600\" height=\"400\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-179.png\" alt=\"\" class=\"wp-image-13424\" style=\"aspect-ratio:1.5;width:357px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-179.png 600w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-179-300x200.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Humus<\/strong>: Humus is the dark, nutrient-rich part of soil that helps plants grow.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Soil Layers<\/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=\"919\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/cb8edc36-f882-409b-ba10-3e542dfaaed4.jpg\" alt=\"\" class=\"wp-image-13425\" style=\"aspect-ratio:1.1142546245919478;width:330px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/cb8edc36-f882-409b-ba10-3e542dfaaed4.jpg 1024w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/cb8edc36-f882-409b-ba10-3e542dfaaed4-300x269.jpg 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/cb8edc36-f882-409b-ba10-3e542dfaaed4-768x689.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Topsoil (A Horizon)<\/strong>: The top layer of soil, rich in organic matter and nutrients. It&#8217;s where most plants grow.<\/li>\n\n\n\n<li><strong>Subsoil (B Horizon)<\/strong>: Beneath the topsoil, it contains minerals washed down from above but less organic matter.<\/li>\n\n\n\n<li><strong>Bedrock (C Horizon)<\/strong>: The lowest layer, made of weathered rock, that eventually breaks down into soil.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Soil Components<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mineral Particles<\/strong>: Tiny fragments of rocks and minerals.<\/li>\n\n\n\n<li><strong>Organic Material<\/strong>: Decayed plant and animal matter.<\/li>\n\n\n\n<li><strong>Air<\/strong>: Spaces between soil particles hold air.<\/li>\n\n\n\n<li><strong>Water<\/strong>: Soil holds water, which is essential for plant growth.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color\" style=\"color:#000060\"><strong>Importance of Soil<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plant Growth<\/strong>: Soil provides nutrients, water, and support for plants.<\/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=\"640\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-180-1024x640.png\" alt=\"\" class=\"wp-image-13426\" style=\"aspect-ratio:1.6;width:336px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-180-1024x640.png 1024w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-180-300x188.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-180-768x480.png 768w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-180.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Habitat<\/strong>: Soil is home to many organisms like earthworms, insects, and fungi that help in breaking down organic matter.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color\" style=\"color:#000060\"><strong>Soil Formation Time<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"318\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-181.png\" alt=\"\" class=\"wp-image-13427\" style=\"aspect-ratio:1.610062893081761;width:422px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-181.png 512w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/image-181-300x186.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Soil formation is a slow process that can take hundreds or even thousands of years to create a few inches of soil.<\/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<\/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\/81755\/819\/338\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-45.png\" alt=\"\" class=\"wp-image-5227\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-45.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-45-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-45-150x150.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\/82726\/580\/825\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-45.png\" alt=\"\" class=\"wp-image-5228\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-45.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-45-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-45-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How Is Soil Formed? how is soil formed? by Delta publications Key Notes: Soil Formation Process: Role of Organic Matter: Soil Layers: Soil Components: Importance of Soil: Soil Formation Time: 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-3312","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3312","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=3312"}],"version-history":[{"count":16,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3312\/revisions"}],"predecessor-version":[{"id":15782,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3312\/revisions\/15782"}],"wp:attachment":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}