{"id":3355,"date":"2022-12-13T06:34:29","date_gmt":"2022-12-13T06:34:29","guid":{"rendered":"https:\/\/4thclass.deltapublications.in\/?page_id=3355"},"modified":"2024-12-27T10:53:20","modified_gmt":"2024-12-27T10:53:20","slug":"s-12-b-change-of-state","status":"publish","type":"page","link":"https:\/\/4thclass.deltapublications.in\/index.php\/s-12-b-change-of-state\/","title":{"rendered":"s-12.b Change Of State"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Change Of State<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/change-of-state.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-869a5c0b6b78055316c8d0186252dcbd\" style=\"color:#74008b\"><strong>key notes :<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-818ed1e1e95860e1ad5ad47b97d21ea7\" style=\"color:#000060\"><strong>Definition of State<\/strong>:<\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Matter exists in three main states: solid, liquid, and gas.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-182b7329054b2686fae17c0e26e1815c\" style=\"color:#000060\"><strong>What is a Change of State?<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">A change of state occurs when matter transforms from one state to another due to a change in temperature or pressure.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-5d9c7cbe9af1ca4d14fbb7fcb19e1fe7\" style=\"color:#000060\"><strong>Common Changes of State<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"493\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-78.png\" alt=\"\" class=\"wp-image-14398\" style=\"width:475px;height:auto\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-78.png 810w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-78-300x183.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-78-768x467.png 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/figure><\/div>\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li><strong>Melting<\/strong>: Solid to liquid (e.g., ice melting into water).<\/li>\n\n\n\n<li><strong>Freezing<\/strong>: Liquid to solid (e.g., water freezing into ice).<\/li>\n\n\n\n<li><strong>Evaporation<\/strong>: Liquid to gas (e.g., water turning into steam).<\/li>\n\n\n\n<li><strong>Condensation<\/strong>: Gas to liquid (e.g., steam cooling into water).<\/li>\n\n\n\n<li><strong>Sublimation<\/strong>: Solid to gas without becoming a liquid (e.g., dry ice turning into vapor).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-b9b8238abc3f6fb56cd50456c58fb845\" style=\"color:#000060\"><strong>Role of Heat<\/strong>:<\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li><strong>Adding Heat<\/strong>: Increases energy, causing melting or evaporation.<\/li>\n\n\n\n<li><strong>Removing Heat<\/strong>: Decreases energy, causing freezing or condensation.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c629968419414c8115d7cc58bec1ad4f\" style=\"color:#000060\"><strong>Examples from Daily Life<\/strong>:<\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Melting ice cream.<\/li>\n\n\n\n<li>Boiling water to make steam.<\/li>\n\n\n\n<li>Dew forming on grass (condensation).<\/li>\n\n\n\n<li>Freezing water to make ice cubes.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-b2a1f22a78330838c4f54f2437d8a584\" style=\"color:#000060\"><strong>Reversible Changes<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Most changes of state are reversible. For example, melted water can refreeze to form ice.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-a4538f596bafd84bac6b1a8872c2447e\" style=\"color:#000060\"><strong>Particles in Matter<\/strong>:<\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Solids: Particles are tightly packed and vibrate in place.<\/li>\n\n\n\n<li>Liquids: Particles are less tightly packed and move around more freely.<\/li>\n\n\n\n<li>Gases: Particles are far apart and move very quickly.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-f939350dd1cac75d58297f51aef0fcfa\" style=\"color:#000060\"><strong>Importance of Changes of State<\/strong>:<\/p>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Changes of state are essential for natural processes like the water cycle (evaporation, condensation, precipitation).<\/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\/81900\/558\/594\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-10.png\" alt=\"\" class=\"wp-image-5679\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-10.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-10-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-10-150x150.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\/82498\/654\/555\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-10.png\" alt=\"\" class=\"wp-image-5681\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-10.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-10-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-10-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Change Of State key notes : Definition of State: What is a Change of State?: Common Changes of State: Role of Heat: Examples from Daily Life: Reversible Changes: Particles in Matter: Importance of Changes of State: 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-3355","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3355"}],"version-history":[{"count":14,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3355\/revisions"}],"predecessor-version":[{"id":14401,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3355\/revisions\/14401"}],"wp:attachment":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}