{"id":46,"date":"2023-06-21T15:52:17","date_gmt":"2023-06-21T13:52:17","guid":{"rendered":"http:\/\/bodysciencejourney.ujep.cz\/?page_id=46"},"modified":"2023-07-24T17:42:05","modified_gmt":"2023-07-24T15:42:05","slug":"ucho","status":"publish","type":"page","link":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/ucho\/","title":{"rendered":"Sluch"},"content":{"rendered":"<h2><strong>U\u0161n\u00ed bub\u00ednek<\/strong><\/h2>\n<p><strong>Na jak\u00e9 ot\u00e1zky m\u016f\u017eeme hledat odpov\u011b\u010f? <\/strong><\/p>\n<p>Jak funguje u\u0161n\u00ed bub\u00ednek?<\/p>\n<p><strong>Co pot\u0159ebujeme?<\/strong><\/p>\n<ul>\n<li>Potravinovou f\u00f3lii<\/li>\n<li>Plastovou misku<\/li>\n<li>Gumi\u010dku, kterou m\u016f\u017eeme p\u0159es misku nat\u00e1hnout<\/li>\n<li>R\u00fd\u017ei<\/li>\n<\/ul>\n<p><strong>Postup:<\/strong><\/p>\n<p>V tomto modelu potravinov\u00e1 f\u00f3lie simuluje u\u0161n\u00ed bub\u00ednek, tenk\u00fd kousek k\u016f\u017ee ve st\u0159edn\u00edm uchu, kter\u00fd je napnut\u00fd jako bub\u00ednek. Kdy\u017e do ucha proniknou zvukov\u00e9 vlny, bub\u00ednek se rozkmit\u00e1, co\u017e n\u00e1sledn\u011b rozh\u00fdbe drobn\u00e9 k\u016fstky uvnit\u0159 ucha. Zvukov\u00e9 vibrace pokra\u010duj\u00ed do hlem\u00fd\u017ed\u011b a pot\u00e9 prost\u0159ednictv\u00edm nervov\u00fdch sign\u00e1l\u016f do mozku.<\/p>\n<ol>\n<li>P\u0159es m\u00edsu pevn\u011b nat\u00e1hn\u011bte potravinovou f\u00f3lii. Zajist\u011bte ji gumi\u010dkou kolem m\u00edsy.<\/li>\n<li>Na potravinovou f\u00f3lii polo\u017ete n\u011bkolik zrnek neva\u0159en\u00e9 r\u00fd\u017ee.<\/li>\n<li>Te\u010f je \u00fakolem ud\u011blat velk\u00fd hluk. Vyu\u017eijte nap\u0159\u00edklad plechovou d\u00f3zu na su\u0161enky. V bl\u00edzkosti m\u00edsy do n\u00ed bouchn\u011bte. Sledujte, jak zrnka r\u00fd\u017ee poskakuj\u00ed a pohybuj\u00ed se.<\/li>\n<\/ol>\n<p>D\u00e1le lze pracovat s\u00a0ot\u00e1zkami:<\/p>\n<p>Rozh\u00fdbaj\u00ed r\u00fd\u017ei i jin\u00e9 zvuky &#8211; k\u0159ik, tlesk\u00e1n\u00ed, dup\u00e1n\u00ed, hlasit\u00e1 hudba, hra na buben? Funguj\u00ed l\u00e9pe n\u00edzk\u00e9 nebo vysok\u00e9 zvuky?<\/p>\n<p>M\u016f\u017eeme tak\u00e9 nahradit r\u00fd\u017ei n\u011b\u010d\u00edm jin\u00fdm &#8211; t\u0159eba such\u00fdmi fazolemi, cukrem nebo pap\u00edrov\u00fdmi kole\u010dky z d\u011brova\u010dky. Pohybuje se v\u00e1\u0161 nov\u00fd p\u0159edm\u011bt pomoc\u00ed zvukov\u00fdch vibrac\u00ed h\u016f\u0159e nebo snadn\u011bji? Pro\u010d si mysl\u00edte, \u017ee tomu tak je?<\/p>\n<p>Zdroj: <a href=\"https:\/\/makeandtakes.com\/hands-on-science-make-a-model-eardrum\">https:\/\/makeandtakes.com\/hands-on-science-make-a-model-eardrum<\/a><strong>\u00a0<\/strong><\/p>\n<h4><strong>TIP:<\/strong><strong>\u00a0<\/strong><\/h4>\n<p>Soubor pokus\u016f \u2013 zvuk:<strong> <a href=\"https:\/\/kdf.mff.cuni.cz\/ucitele\/kurzprirodoveda\/zvuk_konecna_verze.pdf\">https:\/\/kdf.mff.cuni.cz\/ucitele\/kurzprirodoveda\/zvuk_konecna_verze.pdf<\/a> <\/strong><\/p>\n<p>Model st\u0159edn\u00edho ucha \u010di dom\u00e1c\u00ed hokejov\u00e1 houka\u010dka: <strong><a href=\"https:\/\/enviroexperiment.zcu.cz\/fyzika-stredni-skola\/lidsky-sluch\">https:\/\/enviroexperiment.zcu.cz\/fyzika-stredni-skola\/lidsky-sluch<\/a> <\/strong><\/p>\n<p>Reakce na zvuk: <a href=\"https:\/\/edu.ceskatelevize.cz\/video\/9829-pokus-reakce-na-zvuk\"><strong>https:\/\/edu.ceskatelevize.cz\/video\/9829-pokus-reakce-na-zvuk<\/strong><\/a><\/p>\n<p>Jak se tvo\u0159\u00ed zvuk?: <a href=\"https:\/\/www.youtube.com\/watch?v=CpX7RS4tldo\"><strong>https:\/\/www.youtube.com\/watch?v=CpX7RS4tldo<\/strong><\/a><\/p>\n<p>Jak jednodu\u0161e vytvo\u0159it stetoskop?: 1. mo\u017enost <a href=\"https:\/\/acornbooksblog.wordpress.com\/2016\/08\/21\/dylan-the-doctor-by-guy-parker-rees-plus-giveaway\/\">zde <\/a>2. mo\u017enost<a href=\"https:\/\/www.youtube.com\/watch?v=ME8IQWzr_X4\"> zde<\/a><\/p>\n<p>Pokus: Sluch: https:\/\/edu.ceskatelevize.cz\/video\/9830-pokus-sluch<\/p>\n<p>S \u017e\u00e1ky m\u016f\u017eeme realizovat i jednoduch\u00e9 aktivity, kter\u00e9 mohou slou\u017eit i jako ur\u010dit\u00e1 motivace:<\/p>\n<ol>\n<li>Co sly\u0161\u00edte kolem sebe? M\u016f\u017eete si j\u00edt sednout do parku a \u017e\u00e1ci maj\u00ed za \u00fakol napsat v\u0161e, co sly\u0161\u00ed, mohou si vytvo\u0159it vlastn\u00ed zp\u016fsob zaznamen\u00e1v\u00e1n\u00ed, \u010di ho m\u016f\u017ee p\u0159ipravit pro \u017e\u00e1ky u\u010ditel.<\/li>\n<li>M\u016f\u017eeme pracovat s nahr\u00e1vkami a vytvo\u0159it d\u011btem &#8222;zvukov\u00e9 bingo&#8220;. D\u00e1t na v\u00fdb\u011br seznam zvuk\u016f, \u017e\u00e1ci si vytvo\u0159\u00ed tabulku na bingo a n\u00e1sledn\u011b budeme jednotliv\u00e9 zvuky pou\u0161t\u011bt.<\/li>\n<li>Utvo\u0159te s \u017e\u00e1ky kruh. Zava\u017ete jednomu z \u017e\u00e1k\u016f o\u010di a posa\u010fte ho doprost\u0159ed kruhu. Uka\u017ete na jednoho z \u017e\u00e1k\u016f sed\u00edc\u00edho v kruhu a nechte ho \u0159\u00edci jm\u00e9no sed\u00edc\u00ed osoby. \u017d\u00e1k sed\u00edc\u00ed uprost\u0159ed se pak mus\u00ed pokusit uk\u00e1zat sm\u011brem k hlasu a ur\u010dit jm\u00e9no osoby, kter\u00e1 \u0159ekla jeho jm\u00e9no. Lze to vyzkou\u0161et nejprve tak, \u017ee \u017e\u00e1k sed\u00edc\u00ed uprost\u0159ed vyu\u017e\u00edv\u00e1 ob\u011b u\u0161i, n\u00e1sledn\u011b si jedno ucho m\u016f\u017ee zakr\u00fdt. Lze hledat odpov\u011b\u010f na n\u00e1sleduj\u00edc\u00ed ot\u00e1zky: Jak p\u0159esn\u011b dok\u00e1\u017ee osoba uprost\u0159ed identifikovat volaj\u00edc\u00edho a m\u00edsto, odkud hovor p\u0159i\u0161el? Jsou dv\u011b u\u0161i lep\u0161\u00ed ne\u017e jedno?<\/li>\n<li>Chcete-li uk\u00e1zat &#8222;d\u016fle\u017eitost&#8220; dvou u\u0161\u00ed, vyzkou\u0161ejte tento p\u0159\u00edklad. Ud\u011blejte na podlaze k\u0159\u00ed\u017eek pomoc\u00ed p\u00e1sky, k\u0159\u00eddy nebo st\u00edrateln\u00e9ho fixu. Zm\u011b\u0159te vzd\u00e1lenosti v p\u0159\u00edmce v kroc\u00edch po 5 stop\u00e1ch (1,5 m) od X a ka\u017ed\u00fd z t\u011bchto bod\u016f ozna\u010dte vzd\u00e1lenost\u00ed od X (5 stop, 10 stop, 15 stop atd.). N\u00e1sledn\u011b postavte \u017e\u00e1ka se zav\u00e1zan\u00fdma o\u010dima na X. Nyn\u00ed se postavte na jeden z bod\u016f vzd\u00e1len\u00fdch od X. \u0158ekn\u011bte jm\u00e9no \u017e\u00e1ka. \u017d\u00e1k se pokus\u00ed identifikovat, na kter\u00e9 \u010d\u00e1\u0159e stoj\u00edte. Vyzkou\u0161ejte to v r\u00e1mci toho, kdy \u017e\u00e1k vyu\u017e\u00edv\u00e1 ob\u011b u\u0161i a n\u00e1sledn\u011b s jedn\u00edm zakryt\u00fdm. Zt\u00ed\u017ete to p\u0159i krat\u0161\u00edch vzd\u00e1lenostech od X. Jsou 2 u\u0161i lep\u0161\u00ed ne\u017e jedno p\u0159i posuzov\u00e1n\u00ed vzd\u00e1lenosti?<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>U\u0161n\u00ed bub\u00ednek Na jak\u00e9 ot\u00e1zky m\u016f\u017eeme hledat odpov\u011b\u010f? Jak funguje u\u0161n\u00ed bub\u00ednek? Co pot\u0159ebujeme? Potravinovou f\u00f3lii Plastovou misku Gumi\u010dku, kterou m\u016f\u017eeme p\u0159es misku nat\u00e1hnout R\u00fd\u017ei Postup: V tomto modelu potravinov\u00e1 f\u00f3lie simuluje u\u0161n\u00ed bub\u00ednek, tenk\u00fd kousek k\u016f\u017ee ve st\u0159edn\u00edm uchu, kter\u00fd je napnut\u00fd jako bub\u00ednek. Kdy\u017e do ucha proniknou zvukov\u00e9&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/pages\/46"}],"collection":[{"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/comments?post=46"}],"version-history":[{"count":6,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/pages\/46\/revisions"}],"predecessor-version":[{"id":217,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/pages\/46\/revisions\/217"}],"wp:attachment":[{"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/media?parent=46"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/categories?post=46"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bodysciencejourney.ujep.cz\/index.php\/wp-json\/wp\/v2\/tags?post=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}