{"id":452,"date":"2012-12-27T14:11:23","date_gmt":"2012-12-27T11:11:23","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=452"},"modified":"2026-03-12T18:31:38","modified_gmt":"2026-03-12T18:31:38","slug":"dp1-fun-with-liquid-nitrogen","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/dp-chemistry\/both\/dp1-fun-with-liquid-nitrogen\/","title":{"rendered":"DP1&#038;2 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 as a result of a change in the energy content of the particles the substance is made up of. The particular changes in energy of a particle in the sample of substance may be either kinetic or potential energy or both. Kinetic and potential energy of a particle is a function of its motion and position relative to the other particles surrounding it. Energy change (whether kinetic and\/or potential) in the particles of a sample of substance is accompanied by changes in Entropy as a whole. Regardless of the change, changes in the motion of particles can be at times 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 re-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,\u00a0 pressure, temperature.<\/span><\/li>\n\n\n\n<li>entropy, energy content, energy (enthalpy) and state, motion of particles, speed of particles.<\/li>\n\n\n\n<li>(Additional concepts: degree of freedom, vibrational motion, rotational motion, translational motion)<\/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 as a result of a change in the energy content of the particles the substance is made up of. The particular changes in energy of a particle in the sample of substance may be either kinetic or potential energy [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1295,"parent":718,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-452","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-7i","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/452","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=452"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/452\/revisions"}],"predecessor-version":[{"id":4188,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/452\/revisions\/4188"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/718"}],"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=452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}