{"id":467,"date":"2012-12-28T10:57:19","date_gmt":"2012-12-28T07:57:19","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=467"},"modified":"2026-03-12T18:31:36","modified_gmt":"2026-03-12T18:31:36","slug":"f4-fun-with-liquid-nitrogen","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/igcse-chemistry\/form-4-de\/f4-fun-with-liquid-nitrogen\/","title":{"rendered":"F4 Fun With Liquid Nitrogen"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><em><strong>Background<\/strong><\/em><\/p>\n\n\n\n<p>Heating and cooling substance may bring about one or more physical changes in a substance. Regardless of the change, at the particle level, changes in their motion invariably take place which at times can be dramatically demonstrated.<\/p>\n\n\n\n<p>Resources:<br \/>\n<a title=\"State and Energy\" href=\"https:\/\/www.dorjegurung.com\/chemistry\/MYP_Chemistry\/M4_Matter_II_State&amp;Energy_files\/frame.htm\">M4 Chemistry Matter II: State and Energy<\/a>. PowerPoint slides on the relationship between state of matter and energy content of particles in a sample of the matter.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><em><strong>Discrepant Event<\/strong><\/em><\/p>\n\n\n\n<p>The video below shows three different demonstrations looking at the effect of cooling a squash ball, a rose and a small balloon filled with air using liquid nitrogen. Watch the video to see what happens.<\/p>\n\n\n\n<p><iframe title=\"Fun with liquid nitrogen\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/5ceJI35Q_Vk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe> <\/p>\n\n\n\n<p>And the questions are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"line-height: 16px\">Why did the squash ball and the rose shatter like glass?<\/span><\/li>\n\n\n\n<li>Why did the balloon deflate when introduced into liquid nitrogen and then spontaneously inflate when taken out?<\/li>\n<\/ol>\n\n\n\n<p><span style=\"font-size: 15.555556297302246px;line-height: 26.666667938232422px\">Concepts involved:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"line-height: 16px\">cooling, heating, heat, energy\/heat transfer\/exchange, motion of particles, pressure, temperature.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Background Heating and cooling substance may bring about one or more physical changes in a substance. Regardless of the change, at the particle level, changes in their motion invariably take place which at times can be dramatically demonstrated. Resources: M4 Chemistry Matter II: State and Energy. PowerPoint slides on the relationship between state of matter [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1295,"parent":639,"menu_order":7,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-467","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P2Y7Kk-7x","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/comments?post=467"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/467\/revisions"}],"predecessor-version":[{"id":4185,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/467\/revisions\/4185"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/639"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media\/1295"}],"wp:attachment":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media?parent=467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}