{"id":20353,"date":"2025-10-23T22:40:51","date_gmt":"2025-10-23T19:40:51","guid":{"rendered":"https:\/\/ugdymasirauklejimas.lt\/home\/?p=20353"},"modified":"2025-10-23T22:40:51","modified_gmt":"2025-10-23T19:40:51","slug":"gamtos-mokslai-jegos-ir-judejimas","status":"publish","type":"post","link":"https:\/\/ugdymasirauklejimas.lt\/home\/gamtos-mokslai-jegos-ir-judejimas\/","title":{"rendered":"GAMTOS MOKSLAI | J\u0116GOS IR JUD\u0116JIMAS"},"content":{"rendered":"\n<p>Nor\u0117josi ka\u017ekaip labai prakti\u0161kai pa\u017evelgti \u012f \u0161i\u0105 tem\u0105, tad atlikome kelet\u0105 eksperiment\u0173. Kadangi kartu dalyvavo visis trys skirtingo am\u017eiaus vaikai, teko sukurti trumpas istorijas temai pristatyti:<\/p>\n\n\n\n<p>,,<em>T\u0105 ryt\u0105 viskas atrod\u0117 \u012fprasta: traukinys dund\u0117jo per laukus, vaikai mokyklos kieme spard\u0117 kamuol\u012f, o ma\u017eas akmenukas gul\u0117jo ant \u0161aligatvio.  Ta\u010diau, jei b\u016btum sustoj\u0119s ir steb\u0117j\u0119s akimirk\u0105, b\u016btum pamat\u0119s \u2014 visas pasaulis juda.  Net tada, kai atrodo, kad niekas nejuda. \u017dem\u0117 sukasi. V\u0117jas keliauja. Medis linguoja. O tu, stovintis vietoje, irgi judi kartu su \u017deme.<\/em>&#8220;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\ud83d\ude86 Traukinys, karusel\u0117 ir kamuolys<\/strong><\/p>\n\n\n\n<p>Aptar\u0117me, kad kai traukinys va\u017eiuoja tiesiai \u2013 tai <strong>jud\u0117jimas tiesia linija<\/strong>. Karusel\u0117 sukasi <strong>ratu<\/strong> \u2013 kiekvienas jos ta\u0161kas vis kei\u010dia pad\u0117t\u012f, bet vis gr\u012f\u017eta \u012f t\u0105 pa\u010di\u0105 viet\u0105. O kamuolys, kur\u012f spiriam \u017eaisdami futbol\u0105, skrenda <strong>lanku<\/strong> \u2013 nuo \u017eem\u0117s kyla auk\u0161tyn ir v\u0117l leid\u017eiasi. Taigi, vaikams buvo ai\u0161ku, kad daiktai juda skirtingai. Bet ar visi juda patys?<\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-36fdbd3ac781925b07e295cea495b29e\"><strong>EKPERIMENTAS<\/strong>: <strong>Nematoma j\u0117ga \u2013 sunkis<\/strong><br>\u0160iuo bandymu tyr\u0117me, kaip veikia \u017dem\u0117s trauka. Reikia dviej\u0173 skirtingus daikt\u0173, pavyzd\u017eiui, pie\u0161tuko ir lapo.  Pakeliame abu ir paleid\u017eiame juos vienu metu. Kuris nukrito grei\u010diau? Tada susukome lap\u0105 \u012f kamuoliuk\u0105 ir v\u0117l paleidome. Ar pasteb\u0117jote skirtum\u0105? Abu daiktus traukia \u017dem\u0117, bet oro pasiprie\u0161inimas sul\u0117tina lengvesnius, plok\u0161\u010dius daiktus, tod\u0117l jie krenta l\u0117\u010diau.<\/p>\n\n\n\n<p><strong>\ud83e\udea8 Akmenuko pamoka<\/strong><\/p>\n\n\n\n<p>Kart\u0105 ant \u0161aligatvio gul\u0117jo ma\u017eas pilkas akmenukas. Pra\u0117jo diena, dvi\u2026 ir jis vis toje pa\u010dioje vietoje. Kol vien\u0105 ryt\u0105 berniukas eidamas nety\u010dia j\u012f paspyr\u0117. Akmenukas nuried\u0117jo ir d\u017eiugiai su\u0161uko:<br \/>\u2013 Pagaliau ir a\u0161 pajud\u0117jau!<\/p>\n\n\n\n<p>Bet netrukus sustojo. Kas j\u012f sustabd\u0117? Nematoma ranka \u2013 <strong>trintis<\/strong>. Ji visada sako: \u201eU\u017eteks, per daug b\u0117gi!\u201c<br \/>Trintis yra j\u0117ga, kuri neleid\u017eia daiktams jud\u0117ti be galo.<\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-30c7bc7d482950a8b0849226d5ace95f\"><strong>EXPREIMENTAS: Kas i\u0161judins akmenuk\u0105?<\/strong><br>\u0160iame eksperimente siekiama suprasti, kad daiktas juda tik tada, kai veikia j\u0117ga. Reikia akmenuko arba pie\u0161tuko. Padedame j\u012f ant stalo ir \u017ei\u016brime \u2013 ar jis juda pats? Tada \u0161velniai j\u012f pastumiame ranka. Kas nutiko, kai j\u012f paliet\u0117m, ir kas j\u012f sustabd\u0117 po kurio laiko? I\u0161vada paprasta \u2013 kad daiktas pajud\u0117t\u0173, reikia j\u0117gos, o kad sustot\u0173 &#8211; trinties.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\ud83d\udcaa Kas i\u0161judina daiktus?<\/strong><\/p>\n\n\n\n<p>Kai norime pajudinti k\u0105 nors \u2013 traukiame, stumiame arba spaud\u017eiame. Tai m\u016bs\u0173 <strong>raumen\u0173 j\u0117ga<\/strong>. M\u016bs\u0173 k\u016bnas \u2013 kaip ma\u017eas variklis.<\/p>\n\n\n\n<p>Taip ir pauk\u0161tis, bandydamas i\u0161traukti sliek\u0105 i\u0161 \u017eem\u0117s, naudoja snapo raumenis. Vaikas spausdamas klaviat\u016br\u0105 \u2013 pir\u0161t\u0173 raumenis.<\/p>\n\n\n\n<p>Bet yra j\u0117gos, kuri\u0173 nematome. Kai kamuolys rieda ir galiausiai sustoja, tai j\u012f stabdo <strong>\u017dem\u0117s trauka<\/strong> \u2013 <strong>sunkio j\u0117ga<\/strong>. Ji visk\u0105 traukia \u017eemyn. Ir kuo daiktas sunkesnis \u2013 tuo stipriau j\u012f traukia.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u2744\ufe0f O kod\u0117l \u017eiem\u0105 paslystame?<\/strong><\/p>\n\n\n\n<p>Kai trintis per ma\u017ea \u2013 kojos slysta. Ledas lygus, tod\u0117l bat\u0173 padai neturi u\u017e ko \u201eu\u017esikabinti\u201c. Jei trinties neb\u016bt\u0173 visai, negal\u0117tume nei vaik\u0161\u010dioti, nei va\u017eiuoti. Pasaulis be trinties b\u016bt\u0173 kaip animacinis filmas, kur visi pl\u016bduriuoja ore.<\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-f19a8d8a71d313e12d965e12ceb2cf5d\"><strong>EKSPERIMENTAS : Trinties var\u017eybos<\/strong><br>\u0160iuo bandymu pamat\u0117me, kaip skirtingi pavir\u0161iai veikia jud\u0117jim\u0105. Mums reik\u0117jo ma\u017eo kamuoliuko, rank\u0161luos\u010dio, kilimo ir lygaus stalo. Ridenome kamuoliuk\u0105 pirmiausia ant stalo, tada ant kilimo ir galiausiai ant rank\u0161luos\u010dio. I\u0161matavome kuris nuried\u0117jo toliausiai, ir pasidalinome mintimis kod\u0117l taip nutiko. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\ud83c\udf00 Inercijos triukas<\/strong><\/p>\n\n\n\n<p>Kai automobilis staiga sustoja, k\u016bnas nori dar akimirk\u0105 va\u017eiuoti toliau \u2013 tarsi sakyt\u0173:<br \/>\u2013 Palauk, a\u0161 dar nebaigiau!<br \/>Tai vadinama <strong>inercija<\/strong> \u2013 k\u016bno noras i\u0161laikyti savo jud\u0117jim\u0105 arba ramyb\u0117s b\u016bsen\u0105.<\/p>\n\n\n\n<p>Tod\u0117l kai s\u0117dime autobuse be dir\u017eo ir jis staiga sustoja \u2013 pajuntame truktel\u0117jim\u0105 \u012f priek\u012f. <\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-963b6699a69432101c82eae5633bc2bc\"><strong>EKSPERIMENTAS<\/strong>: <strong>Staigus stabdymas<\/strong><br>\u0160is eksperimentas padeda suprasti, kas yra inercija.  Reikia ma\u017eos d\u0117\u017eut\u0117s (pavyzd\u017eiui, degtuk\u0173), \u017eaislin\u0117s ma\u0161in\u0117l\u0117s arba knygos. Ant va\u017eiuojan\u010dios ma\u0161in\u0117l\u0117s ar knygos pad\u0117jome d\u0117\u017eut\u0119 ir staiga sustabd\u0117me. Kas nutiko d\u0117\u017eutei? Kod\u0117l ji pajud\u0117jo \u012f priek\u012f, nors ma\u0161in\u0117l\u0117 sustojo? Daiktai nori i\u0161laikyti savo jud\u0117jim\u0105 \u2013 tai vadinama inercija.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\ud83e\uddf6 Tamprumo j\u0117ga \u2013 at\u0161okantis pasaulis<\/strong><\/p>\n\n\n\n<p>Guminis kamuoliukas, spyruokl\u0117 ar net bat\u0173 rai\u0161telis turi ypating\u0105 savyb\u0119 \u2013 <strong>tamprum\u0105<\/strong>. Kai juos suspaudi ar i\u0161tempi, jie nori gr\u012f\u017eti \u012f savo form\u0105. Kaip \u017emogus po sunkios dienos \u2013 i\u0161sitiesia, atgauna j\u0117gas. Tamprumas leid\u017eia pasauliui b\u016bti gyvam: be jo negal\u0117tume groti gitara, \u0161okin\u0117ti ant batuto ar net kv\u0117puoti (m\u016bs\u0173 plau\u010diai taip pat tampr\u016bs!).<\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-061a8c83b4dc3f57d65f8b002cd8372b\"><strong>EKSPERIMENTAS<\/strong>: <strong>Tamprumo j\u0117ga<\/strong><br>Pamat\u0117me, kaip daiktas gali gr\u012f\u017eti \u012f savo form\u0105. Reik\u0117jo gumin\u0117s juostel\u0117s. I\u0161temp\u0117me j\u0105 ir paleidome. Tada pamatavome, kiek ji pailg\u0117ja, kai i\u0161tempiam, ir kiek sutrump\u0117ja, kai paleid\u017eiame. Tampr\u016bs daiktai gali i\u0161sitempti ir v\u0117l gr\u012f\u017eti \u012f savo form\u0105.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\udde0 Klausimai apm\u0105stymui:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kas turi \u012fvykti, kad daiktas pajud\u0117t\u0173?<\/li>\n\n\n\n<li>Kod\u0117l kamuolys sustoja po kurio laiko?<\/li>\n\n\n\n<li>Kada trintis mums padeda, o kada trukdo?<\/li>\n\n\n\n<li>K\u0105 tavo k\u016bnas jau\u010dia, kai automobilis sustoja?<\/li>\n\n\n\n<li>Ar gali rasti daikt\u0105 namuose, kuris yra tamprus?<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Papildomai vaikai tyrin\u0117jo kaip svoris, pasiprie\u0161inimas \u012ftakoja j\u0117g\u0105 ir stiprum\u0105.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/bef2eafe-3f6f-41d9-8ce8-8c8f023df053-1024x1024.jpg\" class=\"wp-image-20359\" srcset=\"https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/bef2eafe-3f6f-41d9-8ce8-8c8f023df053-1024x1024.jpg 1024w, https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/bef2eafe-3f6f-41d9-8ce8-8c8f023df053-800x800.jpg 800w, https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/bef2eafe-3f6f-41d9-8ce8-8c8f023df053-768x768.jpg 768w, https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/bef2eafe-3f6f-41d9-8ce8-8c8f023df053.jpg 1366w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"p1\">Tai PhET Interactive Simulations program\u0117l\u0117 i\u0161 Kolorado universiteto (University of Colorado Boulder).<\/p>\n\n\n\n<p class=\"p1\">Konkretus pavaizduotas modelis vadinasi:<\/p>\n\n\n\n<p class=\"p1\"> \u201c<a href=\"https:\/\/phet.colorado.edu\/en\/simulations\/forces-and-motion-basics\">Forces and Motion: Basics (,,J\u0117gos ir jud\u0117jimas: pagrindai\u201c)<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nor\u0117josi ka\u017ekaip labai prakti\u0161kai pa\u017evelgti \u012f \u0161i\u0105 tem\u0105, tad atlikome kelet\u0105 eksperiment\u0173. Kadangi kartu dalyvavo visis trys skirtingo am\u017eiaus vaikai, teko sukurti trumpas istorijas temai pristatyti: ,,T\u0105 ryt\u0105 viskas atrod\u0117 \u012fprasta: traukinys dund\u0117jo per laukus, vaikai mokyklos kieme spard\u0117 kamuol\u012f, o ma\u017eas akmenukas gul\u0117jo ant \u0161aligatvio. Ta\u010diau, jei b\u016btum sustoj\u0119s ir steb\u0117j\u0119s akimirk\u0105, b\u016btum pamat\u0119s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20360,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[158,14,59],"tags":[],"class_list":["post-20353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ekperimentai-ivairus","category-gamtos-pazinimas","category-konstravimas-inzinerija"],"uagb_featured_image_src":{"full":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2.jpg",1366,683,false],"thumbnail":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2-800x683.jpg",800,683,true],"medium":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2-800x400.jpg",800,400,true],"medium_large":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2-768x384.jpg",768,384,true],"large":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2-1024x512.jpg",1024,512,true],"1536x1536":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2.jpg",1366,683,false],"2048x2048":["https:\/\/ugdymasirauklejimas.lt\/wp-content\/uploads\/2025\/10\/7902d158-2b2a-4921-b47b-89f86cfd46b2.jpg",1366,683,false]},"uagb_author_info":{"display_name":"iMami","author_link":"https:\/\/ugdymasirauklejimas.lt\/home\/author\/roberta-rumbutienegmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Nor\u0117josi ka\u017ekaip labai prakti\u0161kai pa\u017evelgti \u012f \u0161i\u0105 tem\u0105, tad atlikome kelet\u0105 eksperiment\u0173. Kadangi kartu dalyvavo visis trys skirtingo am\u017eiaus vaikai, teko sukurti trumpas istorijas temai pristatyti: ,,T\u0105 ryt\u0105 viskas atrod\u0117 \u012fprasta: traukinys dund\u0117jo per laukus, vaikai mokyklos kieme spard\u0117 kamuol\u012f, o ma\u017eas akmenukas gul\u0117jo ant \u0161aligatvio. Ta\u010diau, jei b\u016btum sustoj\u0119s ir steb\u0117j\u0119s akimirk\u0105, b\u016btum pamat\u0119s&hellip;","_links":{"self":[{"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/posts\/20353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/comments?post=20353"}],"version-history":[{"count":3,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/posts\/20353\/revisions"}],"predecessor-version":[{"id":20361,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/posts\/20353\/revisions\/20361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/media\/20360"}],"wp:attachment":[{"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/media?parent=20353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/categories?post=20353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ugdymasirauklejimas.lt\/home\/wp-json\/wp\/v2\/tags?post=20353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}