{"id":9801,"date":"2021-01-12T09:17:27","date_gmt":"2021-01-12T07:17:27","guid":{"rendered":"https:\/\/iteach.ro\/experientedidactice\/?p=9801"},"modified":"2021-01-29T08:01:52","modified_gmt":"2021-01-29T06:01:52","slug":"modelarea-utilizata-in-invatarea-conceptului-de-legatura-covalenta","status":"publish","type":"post","link":"https:\/\/iteach.ro\/experientedidactice\/modelarea-utilizata-in-invatarea-conceptului-de-legatura-covalenta","title":{"rendered":"Modelarea utilizat\u0103 \u00een \u00eenv\u0103\u021barea conceptului de leg\u0103tur\u0103 covalent\u0103"},"content":{"rendered":"<p>Lucrarea de fa\u021b\u0103 prezint\u0103 rezultatele unei cercet\u0103ri educa\u021bionale desf\u0103\u0219urate la clasa mea. \u00cen cadrul acestei investiga\u021bii, am dat elevilor de clasa a VII-a, \u00eemp\u0103r\u021bi\u021bi \u00een dou\u0103 grupe, o prob\u0103 de evaluare ini\u021bial\u0103 \u0219i una final\u0103, pentru diagnosticarea \u00eenv\u0103\u021b\u0103rii privind con\u021binuturi specifice: structura atomului, sistemul periodic, leg\u0103tura dintre structura atomului \u0219i locul ocupat de un element \u00een sistemul periodic, elemente cu caracter electropozitiv, elemente cu caracter electronegativ. Cele dou\u0103 grupe au fost supuse test\u0103rilor ini\u021biale \u0219i finale pentru a verifica progresul elevilor, \u00een scopul amelior\u0103rii activit\u0103\u021bilor instructiv-educative. <!--more--><\/p>\n<p>\u00cen cadrul investiga\u021biei, s-a f\u0103cut compara\u021bie \u00eentre dou\u0103 grupe de elevi:<br \/>\n&#8211; grupa martor A, care studiaz\u0103 leg\u0103tura chimic\u0103 prin metode tradi\u021bionale;<br \/>\n&#8211; grupa experimental\u0103 B ,care studiaz\u0103 leg\u0103tura chimic\u0103 prin metode moderne.<br \/>\nElevii din cele dou\u0103 grupe se aseam\u0103n\u0103 din punct de vedere al capacit\u0103\u021bii intelectuale. Ambele grupe sunt de acela\u0219i nivel.<\/p>\n<p>Proba de evaluare ini\u021bial\u0103 s-a dat cu scopul de a determina nivelul de cuno\u0219tin\u021be al elevilor, lacunele existente \u00een cuno\u0219tin\u021bele generale ale acestora \u0219i de a stabili modul \u00een care elevii opereaz\u0103 cu no\u021biuni privind simbolurile chimice, structura electronic\u0103, caracterul chimic \u0219i electrochimic al elementelor, valen\u021b\u0103 \u0219i electrovalen\u021b\u0103.<\/p>\n<div id=\"attachment_10165\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10165\" class=\"wp-image-10165\" src=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_01.png\" alt=\"Diagrama nr. 1 \u2013 Testarea ini\u0163ial\u0103\" width=\"400\" height=\"215\" srcset=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_01.png 509w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_01-300x161.png 300w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_01-500x268.png 500w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><p id=\"caption-attachment-10165\" class=\"wp-caption-text\">Diagrama nr. 1 \u2013 Testarea ini\u021bial\u0103<\/p><\/div>\n<p>Scopul probelor finale a constat \u00een stabilirea evolu\u021biei nivelului educa\u021bional al elevilor din grupa experimental\u0103 comparativ cu al celor din grupa martor.<\/p>\n<div id=\"attachment_10166\" style=\"width: 460px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10166\" class=\"wp-image-10166\" src=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_02.png\" alt=\"Diagrama nr. 2 - Testarea final\u0103\" width=\"450\" height=\"179\" srcset=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_02.png 630w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_02-300x119.png 300w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_02-500x198.png 500w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><p id=\"caption-attachment-10166\" class=\"wp-caption-text\">Diagrama nr. 2 &#8211; Testarea final\u0103<\/p><\/div>\n<p>Dac\u0103 se face o compara\u021bie a elevilor \u00een func\u021bie de notele ob\u021binute la proba de evaluare ini\u0163ial\u0103 \u015fi proba de evaluare final\u0103, se constat\u0103:<\/p>\n<ul>\n<li>sc\u0103derea num\u0103rului de elevi slabi;<\/li>\n<li>cre\u015fterea num\u0103rului de elevi buni \u015fi foarte buni;<\/li>\n<li>ob\u0163inerea notei maxime de c\u0103tre 9 elevi,spre deosebire de proba ini\u0163ial\u0103, unde numai 3 elevi au ob\u0163inut nota 10.<\/li>\n<\/ul>\n<p>Aceste constat\u0103ri eviden\u021biaz\u0103 progresul \u00een asimilarea \u015fi \u00een\u0163elegerea noilor concepte. Mediile generale ob\u021binute la cele dou\u0103 probe de evaluare sunt redate \u00een tabelul urm\u0103tor:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10167\" src=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_03-300x43.png\" alt=\"\" width=\"500\" height=\"72\" srcset=\"https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_03-300x43.png 300w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_03-500x72.png 500w, https:\/\/iteach.ro\/experientedidactice\/wp-content\/uploads\/2020\/08\/Tudorache_modelarea_03.png 575w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Varia\u0163iile mediilor generale ob\u0163inute la cele dou\u0103 probe de evaluare sunt concludente \u00een ceea ce prive\u015fte eficien\u0163a metodei model\u0103rii ca metod\u0103 didactic\u0103 folosit\u0103. Interpretarea statistic\u0103 a rezultatelor probelor de evaluare pune \u00een eviden\u0163\u0103 faptul c\u0103 metodele folosite au fost eficiente.<\/p>\n<p>Motiva\u0163ia \u00eenv\u0103\u0163\u0103rii leg\u0103turilor chimice s-a f\u0103cut prin atragerea aten\u0163iei asupra faptului c\u0103 aceasta nu este un scop \u00een sine, ci \u00eenv\u0103\u0163area este o necesitate determinat\u0103 de scopuri practice aplicative.<\/p>\n<p>Progresul \u00eenregistrat de elevii grupei experimentale, se datoreaz\u0103 metodei didactice formativ-participative, utilizat\u0103 \u00een cadrul lec\u0163iilor,care permite o angajare activ\u0103 \u015fi con\u015ftient\u0103 a elevilor \u00een activitatea de \u00eenv\u0103\u0163are.<\/p>\n<p>Metodele de predare-\u00eenv\u0103\u0163are sunt \u015fi pot fi diversificate. Eficien\u0163a maxim\u0103 a pred\u0103rii este dat\u0103 de \u00eembinarea metodelor tradi\u0163ionale cu cele moderne. Indiferent de metoda de predare folosit\u0103, aceasta trebuie s\u0103 aib\u0103 un caracter stimulator. Ea nu trebuie s\u0103-i inhibe pe elevi, s\u0103-i demotiveze, ci dimpotriv\u0103, s\u0103-i \u00eencurajeze \u015fi s\u0103-i stimuleze s\u0103 \u00eenve\u0163e mai bine.<\/p>\n<p>Ca s\u0103 \u00eendeplineasc\u0103 aceast\u0103 cerin\u0163\u0103, predarea trebuie conceput\u0103 \u015fi prezentat\u0103 elevilor ca o sarcin\u0103 comun\u0103, fireasc\u0103 \u015fi nu ca un act impus, formal.<\/p>\n<blockquote><p>Totul depinde \u00eens\u0103 de personalitatea \u015fi de m\u0103iestria omului de la catedr\u0103.<\/p><\/blockquote>\n<p>\u00cen activitatea mea la clas\u0103, am c\u0103utat s\u0103 respect principiul pedagogic al lui Soren Kierkegard, potrivit c\u0103ruia: \u201e<em>Procesul de \u00eenv\u0103\u0163\u0103m\u00e2nt \u00eencepe c\u00e2nd tu, profesor, \u00een\u0163elegi de la elev, c\u00e2nd tu, situ\u00e2ndu-te \u00een locul lui, \u00een\u0163elegi ce a \u00een\u0163eles \u015fi el, precum \u015fi felul \u00een care a \u00een\u0163eles<\/em>\u201d.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lucrarea de fa\u021b\u0103 prezint\u0103 rezultatele unei cercet\u0103ri educa\u021bionale desf\u0103\u0219urate la clasa mea. \u00cen cadrul acestei investiga\u021bii, am dat elevilor de clasa a VII-a, \u00eemp\u0103r\u021bi\u021bi \u00een dou\u0103 grupe, o prob\u0103 de evaluare ini\u021bial\u0103 \u0219i una final\u0103, pentru diagnosticarea \u00eenv\u0103\u021b\u0103rii privind con\u021binuturi &hellip; <a href=\"https:\/\/iteach.ro\/experientedidactice\/modelarea-utilizata-in-invatarea-conceptului-de-legatura-covalenta\">Cite\u0219te continuarea <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[903,1266],"tags":[190],"class_list":["post-9801","post","type-post","status-publish","format-standard","hentry","category-cercetare","category-didactica-chimiei","tag-maria-tudorache"],"_links":{"self":[{"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/posts\/9801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/comments?post=9801"}],"version-history":[{"count":4,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/posts\/9801\/revisions"}],"predecessor-version":[{"id":10201,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/posts\/9801\/revisions\/10201"}],"wp:attachment":[{"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/media?parent=9801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/categories?post=9801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iteach.ro\/experientedidactice\/wp-json\/wp\/v2\/tags?post=9801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}