{"id":2302,"date":"2023-06-01T12:29:56","date_gmt":"2023-06-01T12:29:56","guid":{"rendered":"https:\/\/fairconditioning.org\/fc-activity\/?post_type=activity&#038;p=2302"},"modified":"2023-06-01T12:29:56","modified_gmt":"2023-06-01T12:29:56","slug":"building-physics-a-hat-radiation","status":"publish","type":"activity","link":"https:\/\/fairconditioning.org\/fc-activity\/activity\/building-physics-a-hat-radiation\/","title":{"rendered":"Building Physics: A Hat &amp; Radiation"},"content":{"rendered":"\n<p><strong><em>Objective: <\/em><\/strong>To demonstrate the principle of radiation and how solar radiation can be obstructed simply and effectively in a building<\/p>\n\n\n\n<p><strong><em>Outcome: <\/em><\/strong>Students understand that Shading devices are a simple, cheap and effective way of blocking solar radiation.<\/p>\n\n\n\n<p><strong><em>Materials: <\/em><\/strong>A hat<\/p>\n\n\n\n<p><strong><em>Prerequisites: <\/em><\/strong>None<\/p>\n\n\n\n<p><strong><em>Procedure:&nbsp;&nbsp;<\/em><\/strong><\/p>\n\n\n\n<p><strong><em>Step 1: <\/em><\/strong>Let the entire class go out on the college campus on a bright sunny day.<\/p>\n\n\n\n<p><strong><em>Step 2:<\/em><\/strong> Gather under a shade nearby, and let one by one stand under direct sunlight for 10 seconds<\/p>\n\n\n\n<p><strong><em>Step 3: <\/em><\/strong>After 30 seconds, let the student try on a hat for another 30 seconds.<\/p>\n\n\n\n<p><strong><em>Step 4: <\/em><\/strong>Once everyone has tried, discuss about the change of feeling before and after the wearing of hat,&nbsp;<\/p>\n\n\n\n<p><strong><em>Step 5: <\/em><\/strong>What was the principle at play when standing under direct hot sun? How did the hat help?&nbsp;<\/p>\n\n\n\n<p><strong><em>Step 6: <\/em><\/strong>Summarise with the students that the hat acted as a barrier similar to a shading device to obstruct radiation and subsequent heat gain.<\/p>\n\n\n\n<p><strong><em>Step 7:<\/em><\/strong> Talk through with the students how shading devices are a simple, cheap and effective way of blocking solar radiation and heat gain, instead of using materials like low Solar Heat Gain Coefficient (SHGC) glass.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"238\" height=\"237\" src=\"https:\/\/fairconditioning.org\/fc-activity\/wp-content\/uploads\/2023\/06\/Screenshot-2023-06-01-at-17.55.45.png\" alt=\"\" class=\"wp-image-2303\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"292\" height=\"237\" src=\"https:\/\/fairconditioning.org\/fc-activity\/wp-content\/uploads\/2023\/06\/Screenshot-2023-06-01-at-17.56.44.png\" alt=\"\" class=\"wp-image-2304\"\/><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>Objective: To demonstrate the principle of radiation and how solar radiation can be obstructed simply and effectively in a building Outcome: Students understand that Shading devices are a simple, cheap and effective way of blocking solar radiation. Materials: A hat Prerequisites: None Procedure:&nbsp;&nbsp; Step 1: Let the entire class go out on the college campus [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2305,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"activity_subject":[125],"academic_year":[67,68],"complexity":[59],"content_tags":[452,486,490],"activity_type":[361],"activity_duration":[172],"acf":[],"_links":{"self":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2302"}],"collection":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity"}],"about":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/types\/activity"}],"author":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/comments?post=2302"}],"version-history":[{"count":1,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2302\/revisions"}],"predecessor-version":[{"id":2306,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity\/2302\/revisions\/2306"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/media\/2305"}],"wp:attachment":[{"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/media?parent=2302"}],"wp:term":[{"taxonomy":"activity_subject","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_subject?post=2302"},{"taxonomy":"academic_year","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/academic_year?post=2302"},{"taxonomy":"complexity","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/complexity?post=2302"},{"taxonomy":"content_tags","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/content_tags?post=2302"},{"taxonomy":"activity_type","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_type?post=2302"},{"taxonomy":"activity_duration","embeddable":true,"href":"https:\/\/fairconditioning.org\/fc-activity\/wp-json\/wp\/v2\/activity_duration?post=2302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}