{"id":5093,"date":"2020-11-30T16:06:00","date_gmt":"2020-11-30T16:06:00","guid":{"rendered":"https:\/\/eschooltoday.com\/learn\/?page_id=5093"},"modified":"2020-12-01T12:02:28","modified_gmt":"2020-12-01T12:02:28","slug":"why-do-volcanoes-erupt","status":"publish","type":"page","link":"https:\/\/eschooltoday.com\/learn\/why-do-volcanoes-erupt\/","title":{"rendered":"Why do volcanoes erupt?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5093\" class=\"elementor elementor-5093\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f177eca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f177eca\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3018e17\" data-id=\"3018e17\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-64e4a94 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"64e4a94\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-780b845\" data-id=\"780b845\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b7eaf0 elementor-align-start elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"9b7eaf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Volcanoes<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d7ed7f elementor-widget elementor-widget-jet-nav-menu\" data-id=\"1d7ed7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jet-nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"jet-nav-wrap m-layout-mobile\"><div class=\"menu-volcanoes-container\"><div class=\"jet-nav m-layout-mobile jet-nav--vertical jet-nav--vertical-sub-left-side\"><div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5137 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/what-is-a-volcano\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is a volcano?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5136 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/why-do-volcanoes-erupt\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Why do volcanoes erupt?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5135 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/types-of-volcanoes\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Types of volcanoes<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5134 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/types-of-volcanic-eruptions\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Types of volcanic eruptions<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5133 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/volcanic-eruptions-in-the-sea\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Volcanic eruptions in the sea<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5132 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/inside-a-volcano\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Inside a volcano<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-5131 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/effects-of-volcanic-eruptions\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Effects of volcanic eruptions<\/span><\/a><\/div>\n<\/div><\/div><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c435d5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2c435d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98fedd5 elementor-widget elementor-widget-html\" data-id=\"98fedd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Tall-Responsive -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-4993435605385515\"\n     data-ad-slot=\"6804764118\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-4328b7e\" data-id=\"4328b7e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9534629 elementor-widget elementor-widget-heading\" data-id=\"9534629\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why do volcanoes erupt?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c996ec3 elementor-widget elementor-widget-text-editor\" data-id=\"c996ec3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-preserver-spaces=\"true\">Let us start with the make-up of the earth.<\/span><\/p><figure id=\"attachment_5238\" aria-describedby=\"caption-attachment-5238\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5238\" src=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/12\/the-earths-crust.jpg\" alt=\"What is inside planet earth?\" width=\"600\" height=\"281\" srcset=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/12\/the-earths-crust.jpg 600w, https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/12\/the-earths-crust-300x141.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-5238\" class=\"wp-caption-text\">What is inside planet earth?<\/figcaption><\/figure><p><span data-preserver-spaces=\"true\">The earth has three-layer parts. The outer crust is the layer on which we live. It is estimated to be about 1800 miles deep. Then there is the mantle and then the core (inner and outer core).<\/span><\/p><p><span data-preserver-spaces=\"true\">The mantle contains molten material and gases. Molten materials are solids (like a rock) that have turned into a liquid because of extreme heat. The name for molten rock and other gases in the earth\u2019s mantle is Magma. Magma is a liquid made up of many crystals, fragments, and gases including oxygen, silicon, iron, aluminum, magnesium, and manganese. When they cool off on the earth\u2019s surface, they turn into magmatic or igneous rocks.<\/span><\/p><p><span data-preserver-spaces=\"true\">Whenever extreme pressure builds in the mantle, along fault lines (openings or cracks in weak spots in the earth\u2019s crust) an eruption is likely to happen next. During an eruption molten materials (soon to become lava) gush out through spaces in the crust to the surface.<\/span><\/p><p><em><span data-preserver-spaces=\"true\"><b>NOTE: Molten rock is called magma when it is inside the crust, but once it gets to the surface of the earth it is called lava.<\/b><\/span><\/em><\/p><p><span data-preserver-spaces=\"true\">Eruptions can be in the form of lava fragments shooting into the atmosphere and forming thick clouds of lava. Some flow slowly (non-violent) from the vent, flooding the area around it. The very fine particles of ash may also be discharged high into the stratosphere and further carried away by wind action.<\/span><\/p><p><span data-preserver-spaces=\"true\">Fresh lava is believed to be about 2,200\u00b0F. It can be red hot as it shoots from the vent and turns into grey or black as it cools. Lava rich in silicon is like honey and flows a lot more slowly from the vent. In other types, lava also comes in a thick, pasty form.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d337a8 elementor-widget elementor-widget-heading\" data-id=\"1d337a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Did you know?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2af521f elementor-widget elementor-widget-text-editor\" data-id=\"2af521f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5><em><span data-preserver-spaces=\"true\">There are around 1510 &#8216;active&#8217; volcanoes in the world. Volcanologists disagree on what comes under the term &#8216;active&#8217;, but 1510 volcanoes have erupted in the last 10,000 years, which means they are active in the world of volcanoes. There are thought to be many more volcanoes on the sea bed. \u2014Source: CBBC<\/span><\/em><\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-0b13467\" data-id=\"0b13467\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fd5997 elementor-widget elementor-widget-html\" data-id=\"9fd5997\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Tall-Responsive -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-4993435605385515\"\n     data-ad-slot=\"6804764118\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fe681ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe681ed\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e9e6c31\" data-id=\"e9e6c31\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c3a23fa elementor-widget elementor-widget-button\" data-id=\"c3a23fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/what-is-a-volcano\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">GO BACK<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-afa2590\" data-id=\"afa2590\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2a95e08 elementor-widget elementor-widget-button\" data-id=\"2a95e08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/types-of-volcanoes\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">NEXT PAGE<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Volcanoes What is a volcano? Why do volcanoes erupt? Types of volcanoes Types of volcanic eruptions Volcanic eruptions in the sea Inside a volcano Effects of volcanic eruptions Why do volcanoes erupt? Let us start with the make-up of the earth. The earth has three-layer parts. The outer crust is the layer on which we [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/fullwidth-content.php","meta":{"footnotes":""},"class_list":["post-5093","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/5093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/comments?post=5093"}],"version-history":[{"count":22,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/5093\/revisions"}],"predecessor-version":[{"id":5259,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/5093\/revisions\/5259"}],"wp:attachment":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/media?parent=5093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}