{"id":5634,"date":"2015-06-22T11:07:07","date_gmt":"2015-06-22T16:07:07","guid":{"rendered":"http:\/\/kidscreativearts.com\/?p=5634"},"modified":"2015-06-22T11:07:07","modified_gmt":"2015-06-22T16:07:07","slug":"light-fountain","status":"publish","type":"post","link":"https:\/\/kidscreativearts.com\/?p=5634","title":{"rendered":"Light Fountain"},"content":{"rendered":"<p><strong>What you need:<\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-5639\" style=\"margin: 6px 3px;\" alt=\"light_fountain_post\" src=\"http:\/\/kidscreativearts.com\/wp-content\/uploads\/2015\/06\/light_fountain_post.jpg\" width=\"400\" height=\"300\" srcset=\"https:\/\/kidscreativearts.com\/wp-content\/uploads\/2015\/06\/light_fountain_post.jpg 800w, https:\/\/kidscreativearts.com\/wp-content\/uploads\/2015\/06\/light_fountain_post-300x225.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><br \/>\n\u2022 A clear water bottle<br \/>\n\u2022 Duct Tape or aluminum foil and tape<br \/>\n\u2022 Thumb tack or push pin<br \/>\n\u2022 Pencil<br \/>\n\u2022 Flashlight<br \/>\n\u2022 Sink or basin<\/p>\n<p><strong>What you do:<\/strong><br \/>\n\u2022 Remove the label from the water bottle.<br \/>\n\u2022 Cover half (vertically \u2013 from opening to bottom of bottle) of the water bottle using duct tape or taping on aluminum foil.<br \/>\n\u2022 Use the thumb tack to poke a hole through the duct tape on the bottle, about two inches from the bottom of the bottle.<br \/>\n\u2022 Use a pencil or similar object to enlarge the hole.<br \/>\n\u2022 Fill the bottle with water, keeping your thumb over the hole so the water stays in.<br \/>\n\u2022 In a very dark room, hold the water bottle over the sink or basin.<br \/>\n\u2022 Shine a flashlight through the uncovered side of the bottle toward the hole where the water is coming out.<br \/>\n\u2022 Watch as the stream of water forms an arc that the light follows down into the sink.<br \/>\n\u2022 Try making the water stream a different color by putting <strong>colored cellophane<\/strong> in front of the flashlight lens<\/p>\n<p><em><strong>N.B.:<\/strong> <\/em>The light beam travels through the stream of water, even when the stream bends, as it does in this experiment. The light beam bounces off the walls of the water stream and follows it to the end. This is called internal reflection. The light ray inside the stream of water behaves as it would inside an optical fiber. Optical fiber works like this: you send a light beam into one end of the fiber and it comes out the other end, even when it bends, just as light travels through the stream of water in your experiment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What you need: \u2022 A clear water bottle \u2022 Duct Tape or aluminum foil and tape \u2022 Thumb tack or push pin \u2022 Pencil \u2022 Flashlight \u2022 Sink or basin What you do: \u2022 Remove the label from the water bottle. \u2022 Cover half (vertically \u2013 from opening to bottom of bottle) of the water [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5641,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,67],"tags":[495,530,557,79,550],"class_list":["post-5634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education","category-science","tag-fun-science","tag-light-fountain","tag-science","tag-science-fair","tag-world-water-day","entry"],"_links":{"self":[{"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/posts\/5634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5634"}],"version-history":[{"count":5,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/posts\/5634\/revisions"}],"predecessor-version":[{"id":5640,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/posts\/5634\/revisions\/5640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=\/wp\/v2\/media\/5641"}],"wp:attachment":[{"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kidscreativearts.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}