{"id":366,"date":"2022-03-11T22:49:42","date_gmt":"2022-03-11T22:49:42","guid":{"rendered":"https:\/\/2022.robocupjunior.eu\/rcj\/?page_id=366"},"modified":"2022-05-31T17:48:55","modified_gmt":"2022-05-31T17:48:55","slug":"ofi-36-magnetism-in-a-bottle","status":"publish","type":"page","link":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/workshops\/magnetism\/ofi-36-magnetism-in-a-bottle\/","title":{"rendered":"Magnetism in a Bottle"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\"><figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"426\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets0-1.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets0-1.png 605w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets0-1-300x211.png 300w\" sizes=\"auto, (max-width: 605px) 100vw, 605px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;flex-basis:20%\">\n<!-- START Kaya QR Code Generator --><div class=\"wpkqcg_qrcode_wrapper\"><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767_ecclevel\" value=\"L\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767_size\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767_color\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767_bgcolor\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767_content\" value=\"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/366\" \/><img decoding=\"async\" src=\"\" id=\"wpkqcg_qrcode_outputimg_6369d6e65280f4767\" alt=\"QR Code\" class=\"wpkqcg_qrcode\" style=\"width: auto; height: auto; max-width: 100%;\" ><div style=\"clear: none;\"><\/div><\/div><!-- END Kaya QR Code Generator -->\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Magnetism in a Bottle<\/h2>\n\n\n<p>The direction of the magnetic field can be visualised by using iron particles suspended in an fluid and placing a strong magnet in its vicinity.<\/p>\n\n\n\n<p>The magnetic field generated by the magnet creates a force field which the iron particles will align with.<\/p>\n\n\n\n<p><strong>Components:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>mineral oil<\/li><li>iron powder<\/li><li>flat bottle<\/li><li>strong magnets of various shapes<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Working Principle:<\/h2>\n\n\n\n<p>The magnetic field created by a magnet arises due to the magnetic moments in the electrons of its atoms.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"199\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_Magnet-300x199.png\" alt=\"\" class=\"wp-image-367\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_Magnet-300x199.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_Magnet-1024x679.png 1024w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_Magnet-768x509.png 768w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_Magnet.png 1383w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Field lines are imaginary lines with tangents that coincide with the direction of the magnetic induction vector at each location in the field and are used to depict a magnetic field.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"292\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets2-300x292.png\" alt=\"\" class=\"wp-image-369\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets2-300x292.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets2-1024x998.png 1024w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets2-768x749.png 768w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/bottle_magnets2.png 1037w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Field lines do not exist in a real field; this is only a handy graphic emulating some of the field&#8217;s features. The field lines of a magnetic field are closed and continuous because it is a vortex field. When you observe a magnetic field, you&#8217;ll see that the density of the field lines is higher where the field is stronger, and the magnetic induction vector is also higher.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Instructions:<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Fill a bottle halfway with mineral oil, then top it off with iron powder.<\/li><li>Close the bottle and shake it vigorously to uniformly disperse the iron particles throughout the volume.<\/li><li>Hold the container up to a magnet and observe how the particles form closed, curved lines.<\/li><li>Using multiple magnets and their combinations, you may create a variety of forms and patterns.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Links:<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=8KneGau0Rlw\">https:\/\/www.youtube.com\/watch?v=8KneGau0Rlw<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/leftbraincraftbrain.com\/steam-camp-how-to-make-a-magnetic-field-sensory-bottle\/\">https:\/\/leftbraincraftbrain.com\/steam-camp-how-to-make-a-magnetic-field-sensory-bottle\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.apexmagnets.com\/news-how-tos\/diy-magnetic-field-bottle\/\">https:\/\/www.apexmagnets.com\/news-how-tos\/diy-magnetic-field-bottle\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The direction of the magnetic field can be visualised by using iron particles suspended in an fluid and placing a strong magnet in its vicinity. The magnetic field generated by the magnet creates a force field which the iron particles will align with. Components: mineral oil iron powder flat bottle strong magnets of various shapes [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":372,"parent":237,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-366","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/comments?post=366"}],"version-history":[{"count":4,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/366\/revisions"}],"predecessor-version":[{"id":957,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/366\/revisions\/957"}],"up":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/237"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media\/372"}],"wp:attachment":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media?parent=366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}