{"id":117,"date":"2015-02-28T01:29:13","date_gmt":"2015-02-28T01:29:13","guid":{"rendered":"http:\/\/paksc.org\/pk\/?p=117"},"modified":"2018-01-14T14:24:25","modified_gmt":"2018-01-14T14:24:25","slug":"710-how-heat-blows-up-a-balloon","status":"publish","type":"post","link":"https:\/\/paksc.org\/pk\/science-experiments-urdu\/710-how-heat-blows-up-a-balloon\/","title":{"rendered":"How heat blows up a Balloon (Urdu &#038; English)"},"content":{"rendered":"<div class=\"itemImageBlock\">\n<div class=\"clr\">\n<figure id=\"attachment_118\" aria-describedby=\"caption-attachment-118\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L.jpg\" data-wpel-link=\"internal\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-118\" src=\"http:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-300x300.jpg\" alt=\"How heat blows up a Balloon (Urdu &amp; English)\" width=\"300\" height=\"300\" srcset=\"https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-300x300.jpg 300w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-150x150.jpg 150w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-80x80.jpg 80w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-320x320.jpg 320w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-110x110.jpg 110w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-250x250.jpg 250w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-130x130.jpg 130w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L.jpg 400w, https:\/\/paksc.org\/pk\/wp-content\/uploads\/2015\/02\/d6f224fb534a83b00aac145bc92cdd0f_L-160x160.jpg 160w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-118\" class=\"wp-caption-text\">How heat blows up a Balloon (Urdu &amp; English)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"itemFullText\">\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/paksc.org\/pk\/images\/stories\/exp-urdu\/hot%20air%20exp.gif\" alt=\"\" border=\"0\" \/><\/p>\n<p><strong>HOW HEAT BLOWS UP A BALLOON<\/strong><\/p>\n<p>Stretch a rubber balloon over the neck of an \u201cempty\u201d bottle. Put the bottle into hot water, or light a candle and hold the bottle over the flame.<\/p>\n<p>You will see that: The balloon blows up.<\/p>\n<h3>Explanation:<\/h3>\n<p>When heat is added, the molecules of air in the bottle move faster and farther apart and therefore the gas (air) occupies more space. As more and more air flows into the balloon from the bottle, the walls of the elastic balloon are pushed out by the air.<\/p>\n<p>Heat has caused the air to expand. What do you think will happen when you remove the heat? Try it. Now you know why it is necessary to check balloon tires during hot weather.<\/p>\n<\/div>\n<h3>Related video:<\/h3>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/qWc6Z-NEjR0?rel=0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; HOW HEAT BLOWS UP A BALLOON Stretch a rubber balloon over the neck of an \u201cempty\u201d bottle. Put the bottle into hot water, or light a candle and hold the bottle over the flame. You will see that: The balloon blows up. Explanation: When heat is added, the molecules of air in the bottle [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[21,62,16,38,17,50],"class_list":["post-117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-experiments-urdu","tag-class-5th-to-6th","tag-energy","tag-hands-on-science-activities","tag-heat-temperature","tag-science-club-activities","tag-stem-activities"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How heat blows up a Balloon (Urdu &amp; English) -<\/title>\n<meta name=\"description\" content=\"How heat blows up a Balloon (Urdu &amp; English) How heat blows up a Balloon (Urdu &amp; English)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/paksc.org\/pk\/science-experiments-urdu\/710-how-heat-blows-up-a-balloon\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"How heat blows up a Balloon (Urdu &amp; 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