{"id":12755,"date":"2021-09-16T12:51:09","date_gmt":"2021-09-16T10:51:09","guid":{"rendered":"https:\/\/www.boboli.es\/boboliland\/?p=12755"},"modified":"2021-09-16T12:51:09","modified_gmt":"2021-09-16T10:51:09","slug":"exploring-the-properties-of-water-fishing-for-ice-cubes","status":"publish","type":"post","link":"https:\/\/www.boboli.es\/boboliland\/en\/exploring-the-properties-of-water-fishing-for-ice-cubes\/","title":{"rendered":"Exploring the properties of water: Fishing for ice cubes"},"content":{"rendered":"\n<p>Do you think you can fish for an ice cube with a pinch of salt and a piece of string? Well, the answer is\u2026. Yes! We\u2019ll be exploring various properties of water in the <a href=\"https:\/\/www.etapainfantil.com\/experimentos-increibles-ninos\">experiment<\/a> we\u2019re proposing today. Through it <strong>we\u2019ll discover how water freezes and melts<\/strong>. Shall we begin?<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><strong>Materials:<\/strong><\/p>\n\n\n\n<ul><li>Bowl with water<\/li><li>Ice cubes<\/li><li>Salt<\/li><li>Thick string<\/li><\/ul>\n\n\n\n<p><strong>Instructions:<\/strong><\/p>\n\n\n\n<ul><li>Put the ice cubes into the water<strong>.<\/strong><\/li><li>Take the string and place it across one of the ice cubes making sure it is in contact with the ice. Check that both ends of the string stick out from the edges of the bowl.<\/li><li>Put a little salt on the ice cube and wait for sometime, between 1 to 5 minutes.<\/li><li>Pick both ends of the string up and \u201cfish\u201d the ice cube out of the water.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Exploramos las propiedades del agua: Pescamos cubitos de hielo\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/Ltt-Z-Szqd8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong>Why does this happen?<\/strong><\/p>\n\n\n\n<p>When ice cubes are placed in the water, <strong>a lot happens at the molecular level<\/strong>: some of the ice molecules absorb sufficient energy to melt while other molecules of the liquid water lose energy and freeze.<\/p>\n\n\n\n<p>Thus, when you put some salt on the ice cube, <strong>its freezing point is lowered because salty water has fewer water molecules available<\/strong>, which is why the ice starts to melt a little. When this happens, the string starts sinking into the ice.<\/p>\n\n\n\n<p>However, when the salt starts dissolving in the remaining water, <strong>the freezing point of the ice cube rises again, refreezing the water around the string<\/strong>, and this makes it possible for you to fish the ice cube out of the water without it coming unstuck. &nbsp;&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you think you can fish for an ice cube with a pinch of salt and a piece of string? Well, the answer is\u2026. Yes! We\u2019ll be exploring various properties of water in the experiment we\u2019re proposing today. Through it we\u2019ll discover how water freezes and melts. Shall we begin?<\/p>\n","protected":false},"author":3,"featured_media":12746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"loftocean_post_format_gallery":"","loftocean_post_format_gallery_ids":"","loftocean_post_format_gallery_urls":"","loftocean_post_format_video_id":0,"loftocean_post_format_video_url":"","loftocean_post_format_video_type":"","loftocean_post_format_video":"","loftocean_post_format_audio_type":"","loftocean_post_format_audio_url":"","loftocean_post_format_audio_id":0,"loftocean_post_format_audio":"","loftocean-featured-post":"","loftocean-like-count":0,"loftocean-view-count":3250,"tinysalt_single_post_intro_label":"","tinysalt_single_post_intro_description":"","tinysalt_hide_post_featured_image":"","tinysalt_post_featured_media_position":"","tinysalt_hide_before_page_content_ad":"","tinysalt_hide_after_page_content_ad":"","tinysalt_hide_page_header":"","tinysalt_advanced_classname":"","tinysalt_page_featured_media_position":""},"categories":[578],"tags":[645,604,606],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/posts\/12755"}],"collection":[{"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/comments?post=12755"}],"version-history":[{"count":1,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/posts\/12755\/revisions"}],"predecessor-version":[{"id":12756,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/posts\/12755\/revisions\/12756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/media\/12746"}],"wp:attachment":[{"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/media?parent=12755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/categories?post=12755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.boboli.es\/boboliland\/en\/wp-json\/wp\/v2\/tags?post=12755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}