{"id":10137,"date":"2024-10-10T09:39:55","date_gmt":"2024-10-10T06:39:55","guid":{"rendered":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/?post_type=lesson_page&#038;p=10137"},"modified":"2024-12-17T14:37:31","modified_gmt":"2024-12-17T11:37:31","slug":"%d7%94%d7%90%d7%9b%d7%9c%d7%aa-%d7%94%d7%9b%d7%93%d7%95%d7%a8-%d7%94%d7%a8%d7%a2%d7%91-%d7%a4%d7%a8%d7%a7-3-%d7%a9%d7%99%d7%a2%d7%95%d7%a8-2","status":"publish","type":"lesson_page","link":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/%d7%94%d7%90%d7%9b%d7%9c%d7%aa-%d7%94%d7%9b%d7%93%d7%95%d7%a8-%d7%94%d7%a8%d7%a2%d7%91-%d7%a4%d7%a8%d7%a7-3-%d7%a9%d7%99%d7%a2%d7%95%d7%a8-2\/","title":{"rendered":"\u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1 &#8211; \u05e4\u05e8\u05e7 3 &#8211; \u05e9\u05d9\u05e2\u05d5\u05e8 2"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10137\" class=\"elementor elementor-10137\" data-elementor-post-type=\"lesson_page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-952c274 e-flex e-con-boxed e-con e-parent\" data-id=\"952c274\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34406fd elementor-widget elementor-widget-text-editor\" data-id=\"34406fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; <a href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/learning_unit\/%D7%94%D7%90%D7%9B%D7%9C%D7%AA-%D7%94%D7%9B%D7%93%D7%95%D7%A8-%D7%94%D7%A8%D7%A2%D7%91-%D7%97%D7%95%D7%9E%D7%A8%D7%99%D7%9D-%D7%9C%D7%9E%D7%95%D7%A8%D7%94-2\/\">\u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93411a6 elementor-widget elementor-widget-heading\" data-id=\"93411a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u05e4\u05e8\u05e7 3.  \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05de\u05d6\u05d5\u05df? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-56377f4 e-flex e-con-boxed e-con e-parent\" data-id=\"56377f4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-df686e1 e-con-full e-flex e-con e-child\" data-id=\"df686e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-75c4050 elementor-widget elementor-widget-heading\" data-id=\"75c4050\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"lesson3-2\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u05e9\u05d9\u05e2\u05d5\u05e8 3.2 \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05d0\u05db\u05d9\u05dc\u05ea \u05d1\u05e9\u05e8?\n\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 13-18<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7175356 elementor-widget elementor-widget-text-editor\" data-id=\"7175356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd:<\/p><p>\u00a0<\/p><hr \/><p>\u05d9\u05d5\u05de\u05e0\u05d9 \u05d1\u05d6\u05d1\u05d5\u05d6 \u05de\u05d6\u05d5\u05df \u05d5\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea<\/p><p>\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d6\u05d4 \u05d9\u05ea\u05de\u05e7\u05d3 \u05d1\u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df \u05d5\u05d1\u05d4\u05e6\u05d2\u05ea \u05d4\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea.<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 13 \u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df<\/p><p>\u05d1\u05e7\u05e9\u05d5 \u05de-2-3 \u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd 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\u05de\u05e9\u05d5\u05ea\u05e3 \u05e9\u05dc Google slides \u05d5\u05d4\u05de\u05d5\u05e8\u05d4 \u05de\u05d1\u05e7\u05e9\u05ea \u05de\u05db\u05de\u05d4 \u05e7\u05d1\u05d5\u05e6\u05d5\u05ea \u05dc\u05d4\u05e6\u05d9\u05d2 \u05d0\u05ea \u05d4\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05e9\u05dc\u05d4\u05df \u05d1\u05e4\u05e0\u05d9 \u05d4\u05db\u05d9\u05ea\u05d4.<\/li><\/ol><p>\u00a0\u05e0\u05d9\u05ea\u05df \u05dc\u05e2\u05e8\u05d5\u05da \u05d3\u05d9\u05d5\u05df \u05e1\u05d1\u05d9\u05d1 \u05d4\u05e9\u05d0\u05dc\u05d5\u05ea:<\/p><ul><li>\u05d0\u05d9\u05dc\u05d5 \u05d4\u05d9\u05d1\u05d8\u05d9\u05dd \u05dc\u05d3\u05e2\u05ea\u05db\u05dd \u05e6\u05e8\u05d9\u05db\u05d9\u05dd \u05dc\u05d4\u05d9\u05db\u05dc\u05dc?<\/li><li>\u05d4\u05d0\u05dd \u05d9\u05e9 \u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05e9\u05dc\u05d0 \u05e0\u05d9\u05ea\u05df \u05dc\u05e1\u05de\u05df?<\/li><\/ul><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 15-16 \u05d1\u05d9\u05e7\u05d5\u05e9 \u05dc\u05d1\u05e9\u05e8 \u05d2\u05d3\u05dc \u05dc\u05dc\u05d0 \u05d4\u05e8\u05e3 \u05d5\u05d9\u05e9 \u05db\u05de\u05d4 \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d0\u05e4\u05e9\u05e8\u05d9\u05d9\u05dd<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 15 \u05de\u05e6\u05d9\u05d2\u05d4 \u05db\u05de\u05d4 \u05db\u05ea\u05d1\u05d5\u05ea \u05de\u05d4\u05ea\u05e7\u05d5\u05e4\u05d4 \u05d4\u05d0\u05d7\u05e8\u05d5\u05e0\u05d4 \u05d4\u05de\u05ea\u05d9\u05d9\u05d7\u05e1\u05d5\u05ea \u05dc\u05e2\u05dc\u05d9\u05d4 \u05d1\u05d1\u05d9\u05e7\u05d5\u05e9 \u05d5\u05e6\u05e8\u05d9\u05db\u05ea \u05d4\u05d1\u05e9\u05e8 \u05d1\u05d9\u05e9\u05e8\u05d0\u05dc.<\/p><p>\u05e9\u05d0\u05dc\u05d5 \u05d0\u05ea \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd: \u05d4\u05d0\u05dd \u05e2\u05dc\u05d9\u05d4 \u05d6\u05d5 \u05d1\u05e2\u05d9\u05d9\u05ea\u05d9\u05ea \u05d0\u05d7\u05e8\u05d9 \u05de\u05d4 \u05e9\u05dc\u05de\u05d3\u05e0\u05d5 \u05e2\u05dc \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05d1\u05e9\u05e8?<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 16 \u05de\u05db\u05d9\u05dc\u05d4 \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05d9\u05dd \u05d5\u05d0\u05ea \u05d4\u05e9\u05d0\u05dc\u05d4: \u05db\u05d9\u05e6\u05d3 \u05de\u05e9\u05e4\u05d9\u05e2 \u05d4\u05d1\u05d9\u05e7\u05d5\u05e9 \u05d4\u05d2\u05d5\u05d1\u05e8 \u05e2\u05dc \u05db\u05d3\u05d5\u05e8 \u05d4\u05d0\u05e8\u05e5 \u05e9\u05dc\u05e0\u05d5?<\/p><p>\u05e9\u05d9\u05de\u05d5 \u05dc\u05d1 \u05e9\u05d4\u05d2\u05e8\u05e3 \u05de\u05d5\u05e8\u05db\u05d1 \u05d5\u05d9\u05e9 \u05dc\u05ea\u05d5\u05d5\u05da \u05d1\u05d4\u05ea\u05d0\u05dd \u05dc\u05e8\u05de\u05ea \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd\/\u05d5\u05ea. \u05db\u05de\u05d4 \u05e0\u05e7\u05d5\u05d3\u05d5\u05ea \u05e9\u05db\u05d3\u05d0\u05d9 \u05dc\u05d4\u05d3\u05d2\u05d9\u05e9:<\/p><ol><li>\u05db\u05dc \u05e6\u05de\u05d3 \u05e2\u05de\u05d5\u05d3\u05d5\u05ea \u05de\u05ea\u05d9\u05d9\u05d7\u05e1 \u05dc\u05e1\u05d5\u05d2 \u05d1\u05e9\u05e8 \u05d0\u05d7\u05e8 \u05d5\u05d4\u05e2\u05de\u05d5\u05d3\u05d4 \u05d4\u05d9\u05de\u05e0\u05d9\u05ea \u05dc\u05d1\u05d9\u05e6\u05d9\u05dd.<\/li><li>\u05d4\u05e2\u05de\u05d5\u05d3 \u05d4\u05d0\u05d3\u05d5\u05de\u05d4 \u05de\u05d9\u05d9\u05e6\u05d2\u05ea \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e9\u05e0\u05d0\u05e1\u05e4\u05d5 \u05d1\u05e9\u05e0\u05ea 2005. \u05d4\u05e2\u05de\u05d5\u05d3\u05d4 \u05d4\u05db\u05d7\u05d5\u05dc\u05d4 \u05de\u05d9\u05d9\u05e6\u05d2\u05ea \u05e8\u05e7 \u05ea\u05d7\u05d6\u05d9\u05ea \u05dc\u05e9\u05e0\u05ea 2050.<\/li><li>\u05d4\u05db\u05de\u05d5\u05ea \u05d0\u05dc\u05d9\u05d4 \u05de\u05ea\u05d9\u05d9\u05d7\u05e1\u05d9\u05dd &#8211; \u05de\u05d9\u05dc\u05d9\u05d5\u05df \u05d8\u05d5\u05df. \u00a0<\/li><\/ol><p>\u05d4\u05d1\u05d9\u05e7\u05d5\u05e9 \u05dc\u05db\u05dc \u05e1\u05d5\u05d2\u05d9 \u05d4\u05d1\u05e9\u05e8 \u05d4\u05d5\u05dc\u05da \u05d5\u05d2\u05d3\u05dc. \u05d0\u05d9\u05da \u05d4\u05d3\u05e8\u05d9\u05e9\u05d4 \u05d4\u05d6\u05d5 \u05de\u05e9\u05e4\u05d9\u05e2\u05d4 \u05e2\u05dc \u05db\u05d3\u05d5\u05e8 \u05d4\u05d0\u05e8\u05e5? \u05d0\u05dd \u05d0\u05e0\u05d7\u05e0\u05d5 \u05e6\u05e8\u05d9\u05db\u05d9\u05dd \u05dc\u05d4\u05d2\u05d3\u05d9\u05dc \u05d0\u05ea \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d4\u05de\u05d6\u05d5\u05df \u05db\u05d3\u05d9 \u05dc\u05d4\u05d0\u05db\u05d9\u05dc \u05d0\u05ea \u05d4\u05d0\u05d5\u05db\u05dc\u05d5\u05e1\u05d9\u05d9\u05d4 \u05d4\u05d4\u05d5\u05dc\u05db\u05ea \u05d5\u05d2\u05d3\u05dc\u05d4, \u05e2\u05dc\u05d9\u05e0\u05d5 \u05dc\u05d4\u05de\u05e6\u05d9\u05d0 \u05d3\u05e8\u05db\u05d9\u05dd \u05d1\u05e0\u05d5\u05ea \u05e7\u05d9\u05d9\u05de\u05d0 \u05dc\u05e1\u05e4\u05e7 \u05de\u05d6\u05d5\u05df \u05d1\u05e8\u05d9\u05d0 \u05d1\u05e2\u05ea\u05d9\u05d3 \u05d4\u05e7\u05e8\u05d5\u05d1 \u05d5\u05d4\u05e8\u05d7\u05d5\u05e7.<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 17-18\u00a0 \u05e2\u05ea\u05d9\u05d3 \u05d0\u05db\u05d9\u05dc\u05ea \u05d1\u05e9\u05e8<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 17: \u05d9\u05e9\u05e0\u05dd \u05de\u05e1\u05e4\u05e8 \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d0\u05d5\u05e4\u05e6\u05d9\u05d5\u05e0\u05dc\u05d9\u05d9\u05dd \u05dc\u05e6\u05e8\u05db\u05d9\u05dd \u05d4\u05e0\u05d5\u05db\u05d7\u05d9\u05d9\u05dd \u05d5\u05d4\u05e2\u05ea\u05d9\u05d3\u05d9\u05d9\u05dd \u05e9\u05dc \u05de\u05e7\u05d5\u05e8\u05d5\u05ea \u05d7\u05dc\u05d1\u05d5\u05df, \u05d7\u05dc\u05e7\u05dd \u05e2\u05d3\u05d9\u05d9\u05df \u05d1\u05e4\u05d9\u05ea\u05d5\u05d7 \u05d5\u05d0\u05d7\u05e8\u05d9\u05dd \u05db\u05d1\u05e8 \u05d1\u05e1\u05d5\u05e4\u05e8\u05de\u05e8\u05e7\u05d8\u05d9\u05dd. \u05d1\u05d0\u05d9\u05d5\u05e8 \u05d1\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea \u05d9\u05e9 \u05d4\u05ea\u05d9\u05d9\u05d7\u05e1\u05d5\u05ea \u05dc\u05de\u05e7\u05d5\u05e8\u05d5\u05ea \u05e4\u05d5\u05e4\u05d5\u05dc\u05e8\u05d9\u05d9\u05dd \u05d1\u05d0\u05d9\u05e8\u05d5\u05e4\u05d4.<\/p><p>\u05d1\u05e7\u05e9\u05d5 \u05de\u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05de\u05e0\u05d5\u05ea \u05db\u05de\u05d4 \u05d3\u05d5\u05d2\u05de\u05d0\u05d5\u05ea \u05db\u05d0\u05dc\u05d4. (\u05de\u05d9\u05e7\u05d5\u05e4\u05e8\u05d5\u05d8\u05d0\u05d9\u05df, \u05d7\u05e8\u05e7\u05d9\u05dd \u05de\u05d9\u05d5\u05d1\u05e9\u05d9\u05dd, \u05d7\u05d8\u05d9\u05e4\u05d9 \u05d7\u05dc\u05d1\u05d5\u05df \u05e2\u05dd \u05d7\u05e8\u05e7\u05d9\u05dd, \u05e1\u05e4\u05d9\u05e8\u05d5\u05dc\u05d9\u05e0\u05d4 &#8211; \u05d0\u05e6\u05d5\u05ea, \u05ea\u05d7\u05dc\u05d9\u05e4\u05d9 \u05d1\u05e9\u05e8, \u05d1\u05e9\u05e8 \u05de\u05ea\u05d5\u05e8\u05d1\u05ea).<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 18: \u05e9\u05d0\u05dc\u05d4 \u05dc\u05de\u05d7\u05e9\u05d1\u05d4<\/p><p>\u05d9\u05e9 \u05ea\u05d7\u05d6\u05d9\u05d5\u05ea \u05e9\u05e6\u05e8\u05d9\u05db\u05ea \u05d1\u05e9\u05e8 \u05de\u05ea\u05d5\u05e8\u05d1\u05ea \u05ea\u05d4\u05d9\u05d4 \u05d9\u05d5\u05ea\u05e8 \u05de\u05de\u05d7\u05e6\u05d9\u05ea \u05e6\u05e8\u05d9\u05db\u05ea \u05e6\u05e8\u05d9\u05db\u05ea \u05d4\u05d1\u05e9\u05e8 \u05d4\u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05ea \u05d1\u05e9\u05e0\u05ea 2055.<\/p><p>\u05de\u05d4\u05d5 \u05d1\u05e2\u05e6\u05dd \u05d1\u05e9\u05e8 \u05ea\u05e8\u05d1\u05d5\u05ea\u05d9? \u05d4\u05d0\u05dd \u05e0\u05d5\u05db\u05dc \u05dc\u05d2\u05d3\u05dc \u05d0\u05ea \u05db\u05dc \u05d4\u05d0\u05d5\u05db\u05dc \u05e9\u05dc\u05e0\u05d5 \u05d1\u05de\u05e2\u05d1\u05d3\u05d5\u05ea?\u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05d1\u05d0 \u05e0\u05ea\u05de\u05e7\u05d3 \u05d1\u05d1\u05e9\u05e8 \u05de\u05ea\u05d5\u05e8\u05d1\u05ea, \u05e9\u05e2\u05d3\u05d9\u05d9\u05df \u05dc\u05d0 \u05e7\u05d9\u05d9\u05dd \u05e0\u05de\u05db\u05e8 \u05d1\u05e9\u05d5\u05e7.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-026f4a0 e-con-full e-flex e-con e-child\" data-id=\"026f4a0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bfaedc0 e-flex e-con-boxed e-con e-child\" data-id=\"bfaedc0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88c8ce6 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"88c8ce6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"64\" height=\"64\" src=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/wp-content\/uploads\/sites\/2\/2023\/07\/Notes-Blue-1.png\" class=\"attachment-full size-full wp-image-3691\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d78a77c elementor-widget elementor-widget-text-editor\" data-id=\"d78a77c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u05d4\u05de\u05dc\u05e6\u05d5\u05ea \u05ea\u05d6\u05de\u05d5\u05df:<\/strong><\/p><p>45-90 \u05d3\u05e7\u05d5\u05ea (\u05e0\u05d9\u05ea\u05df \u05dc\u05d4\u05d2\u05d1\u05d9\u05dc \u05d0\u05ea \u05d4\u05d4\u05e6\u05d2\u05d5\u05ea \u05e9\u05dc \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e285064 e-con-full e-flex e-con e-child\" data-id=\"e285064\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f0ca49 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"9f0ca49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"64\" height=\"64\" src=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/wp-content\/uploads\/sites\/2\/2023\/07\/Enrichment-1.png\" class=\"attachment-full size-full wp-image-4473\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be22b78 elementor-widget elementor-widget-text-editor\" data-id=\"be22b78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u05d4\u05e2\u05e9\u05e8\u05d4:<\/strong><\/p><p><span style=\"text-decoration: underline;\">\u05d0\u05dd \u05d1\u05e9\u05e8 \u05db\u05dc \u05db\u05da \u05e8\u05e2 \u05dc\u05e1\u05d1\u05d9\u05d1\u05d4 \u05d5\u05dc\u05d1\u05e8\u05d9\u05d0\u05d5\u05ea \u05e9\u05dc\u05e0\u05d5, \u05d4\u05d0\u05dd \u05d4\u05ea\u05e9\u05d5\u05d1\u05d4 \u05d4\u05d9\u05d0 \u05e4\u05e9\u05d5\u05d8 \u05dc\u05d0 \u05dc\u05d0\u05db\u05d5\u05dc \u05d1\u05e9\u05e8? \u05d4\u05d0\u05dd \u05d9\u05e9 \u05d0\u05d5\u05ea\u05df \u05d1\u05e2\u05d9\u05d5\u05ea \u05d1\u05db\u05dc \u05e1\u05d5\u05d2\u05d9 \u05d4\u05d1\u05e9\u05e8? (\u05dc\u05de\u05e9\u05dc \u05e2\u05d5\u05e3, \u05d7\u05d6\u05d9\u05e8?)<\/span><\/p><p>\u05e8\u05d0\u05e9\u05d9\u05ea, \u05d9\u05e9\u05e0\u05dd \u05d4\u05d1\u05d3\u05dc\u05d9\u05dd \u05de\u05e9\u05de\u05e2\u05d5\u05ea\u05d9\u05d9\u05dd \u05d1\u05d9\u05e2\u05d9\u05dc\u05d5\u05ea \u05d4\u05d9\u05d9\u05e6\u05d5\u05e8 \u05d5\u05d1\u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05db\u05ea\u05d5\u05e6\u05d0\u05d4 \u05de\u05db\u05da \u05d1\u05e2\u05d9\u05d1\u05d5\u05d3 \u05e9\u05dc \u05e1\u05d5\u05d2\u05d9 \u05d4\u05d1\u05e9\u05e8 \u05d4\u05e2\u05d9\u05e7\u05e8\u05d9\u05d9\u05dd. \u05dc\u05d3\u05d5\u05d2\u05de\u05d4, \u05e0\u05d3\u05e8\u05e9\u05d9\u05dd 8 \u05e7&#8221;\u05d2 \u05d3\u05d2\u05e0\u05d9\u05dd \u05dc\u05d9\u05d9\u05e6\u05d5\u05e8 1 \u05e7&#8221;\u05d2 \u05d1\u05e9\u05e8 \u05d1\u05e7\u05e8, \u05d1\u05e2\u05d5\u05d3 \u05e9-4 \u05e7&#8221;\u05d2 \u05d3\u05d2\u05e0\u05d9\u05dd \u05e0\u05d3\u05e8\u05e9\u05d9\u05dd \u05dc\u05d9\u05d9\u05e6\u05d5\u05e8 1 \u05e7&#8221;\u05d2 \u05d1\u05e9\u05e8 \u05d7\u05d6\u05d9\u05e8 \u05d5\u05e8\u05e7 1 \u05e7&#8221;\u05d2 \u05d3\u05d2\u05e0\u05d9\u05dd \u05e0\u05d3\u05e8\u05e9\u05d9\u05dd \u05dc\u05d9\u05d9\u05e6\u05d5\u05e8 1 \u05e7&#8221;\u05d2 \u05d1\u05e9\u05e8 \u05e2\u05d5\u05e3. \u05d9\u05ea\u05e8\u05d4 \u05de\u05db\u05da, \u05d9\u05d9\u05ea\u05db\u05df \u05e9\u05e0\u05d9\u05ea\u05df \u05d9\u05d4\u05d9\u05d4 \u05dc\u05d4\u05d2\u05d1\u05d9\u05e8 \u05d0\u05ea \u05d9\u05e2\u05d9\u05dc\u05d5\u05ea \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d4\u05d1\u05e9\u05e8 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d2\u05d9\u05d3\u05d5\u05dc \u05d8\u05d5\u05d1 \u05d9\u05d5\u05ea\u05e8 \u05d0\u05d5 \u05d2\u05d9\u05d3\u05d5\u05dc \u05e9\u05d9\u05e4\u05d5\u05e8.<\/p><p>\u05e9\u05e0\u05d9\u05ea, \u05d7\u05dc\u05e7 \u05e0\u05d9\u05db\u05e8 \u05de\u05d1\u05e2\u05dc\u05d9 \u05d4\u05d7\u05d9\u05d9\u05dd \u05de\u05de\u05e9\u05d9\u05db\u05d9\u05dd \u05dc\u05d4\u05d9\u05d5\u05ea \u05de\u05d5\u05d6\u05e0\u05d9\u05dd \u05d1\u05e2\u05e9\u05d1. \u05ea\u05e8\u05d2\u05d5\u05dc \u05d6\u05d4 \u05de\u05ea\u05e8\u05d7\u05e9 \u05d1\u05d0\u05d3\u05de\u05d4 \u05e9\u05dc\u05e2\u05ea\u05d9\u05dd \u05e7\u05e8\u05d5\u05d1\u05d5\u05ea \u05d0\u05d9\u05e0\u05d4 \u05de\u05ea\u05d0\u05d9\u05de\u05d4 \u05dc\u05d2\u05d9\u05d3\u05d5\u05dc\u05d9\u05dd \u05dc\u05dc\u05d0 \u05d4\u05e9\u05e7\u05e2\u05d5\u05ea \u05d2\u05d3\u05d5\u05dc\u05d5\u05ea. \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05e7\u05e8\u05e7\u05e2 \u05de\u05e1\u05d5\u05d2 \u05d6\u05d4 \u05d0\u05e4\u05d9\u05dc\u05d5 \u05db\u05d3\u05d9 \u05dc\u05d4\u05d0\u05db\u05d9\u05dc \u05d0\u05e0\u05e9\u05d9\u05dd \u05d1\u05e2\u05e7\u05d9\u05e4\u05d9\u05df \u05e2\u05dc\u05d5\u05dc \u05dc\u05d4\u05d9\u05d5\u05ea \u05d1\u05e2\u05dc \u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc\u05d9\u05dc\u05d9\u05d5\u05ea \u05d0\u05e4\u05e9\u05e8\u05d9\u05d5\u05ea. \u05d7\u05d6\u05d9\u05e8\u05d9\u05dd \u05d5\u05e2\u05d5\u05e4\u05d5\u05ea, \u05dc\u05e2\u05d5\u05de\u05ea \u05d6\u05d0\u05ea, \u05e0\u05d9\u05d6\u05d5\u05e0\u05d9\u05dd \u05dc\u05e2\u05ea\u05d9\u05dd \u05e7\u05e8\u05d5\u05d1\u05d5\u05ea \u05de\u05e4\u05e1\u05d5\u05dc\u05ea \u05de\u05d6\u05d5\u05df \u05d0\u05e0\u05d5\u05e9\u05d9\u05ea.<\/p><p>\u05dc\u05d1\u05e1\u05d5\u05e3, \u05d1\u05de\u05d3\u05d9\u05e0\u05d5\u05ea \u05de\u05ea\u05e4\u05ea\u05d7\u05d5\u05ea, \u05d1\u05e9\u05e8 \u05de\u05d9\u05d9\u05e6\u05d2 \u05d0\u05ea \u05d4\u05de\u05e7\u05d5\u05e8 \u05d4\u05de\u05e8\u05d5\u05db\u05d6 \u05d1\u05d9\u05d5\u05ea\u05e8 \u05dc\u05db\u05de\u05d4 \u05d5\u05d9\u05d8\u05de\u05d9\u05e0\u05d9\u05dd \u05d5\u05de\u05d9\u05e0\u05e8\u05dc\u05d9\u05dd, \u05d4\u05d7\u05e9\u05d5\u05d1\u05d9\u05dd, \u05d1\u05de\u05d9\u05d5\u05d7\u05d3 \u05dc\u05d9\u05dc\u05d3\u05d9\u05dd \u05e6\u05e2\u05d9\u05e8\u05d9\u05dd. \u05d1\u05e2\u05dc\u05d9 \u05d7\u05d9\u05d9\u05dd \u05de\u05e9\u05de\u05e9\u05d9\u05dd \u05d2\u05dd \u05dc\u05d7\u05e8\u05d9\u05e9 \u05d5\u05dc\u05d4\u05d5\u05d1\u05dc\u05d4. \u05d4\u05dd \u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05e1\u05e4\u05e7 \u05d0\u05e1\u05e4\u05e7\u05d4 \u05de\u05e7\u05d5\u05de\u05d9\u05ea \u05e9\u05dc \u05d6\u05d1\u05dc \u05d5\u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05d4\u05d5\u05d5\u05ea \u05de\u05e7\u05d5\u05e8 \u05d4\u05db\u05e0\u05e1\u05d4 \u05d7\u05d9\u05d5\u05e0\u05d9. \u05d4\u05dd \u05d1\u05e2\u05dc\u05d9 \u05d7\u05e9\u05d9\u05d1\u05d5\u05ea \u05ea\u05e8\u05d1\u05d5\u05ea\u05d9\u05ea \u05e2\u05e6\u05d5\u05de\u05d4 \u05e2\u05d1\u05d5\u05e8 \u05e7\u05d4\u05d9\u05dc\u05d5\u05ea \u05e2\u05e0\u05d9\u05d5\u05ea \u05e8\u05d1\u05d5\u05ea.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a40720f e-flex e-con-boxed e-con e-parent\" data-id=\"a40720f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2eb34d7 e-flex e-con-boxed e-con e-child\" data-id=\"2eb34d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-434e536 elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"434e536\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/%D7%94%D7%90%D7%9B%D7%9C%D7%AA-%D7%94%D7%9B%D7%93%D7%95%D7%A8-%D7%94%D7%A8%D7%A2%D7%91-%D7%A4%D7%A8%D7%A7-3-%D7%A9%D7%99%D7%A2%D7%95%D7%A8-1\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b>\u05dc\u05e9\u05d9\u05e2\u05d5\u05e8 3.1<\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-758e71d elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"758e71d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/%D7%94%D7%90%D7%9B%D7%9C%D7%AA-%D7%94%D7%9B%D7%93%D7%95%D7%A8-%D7%94%D7%A8%D7%A2%D7%91-%D7%A4%D7%A8%D7%A7-3\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b> \u05dc\u05ea\u05d9\u05d0\u05d5\u05e8 \u05e9\u05dc \u05e4\u05e8\u05e7 3<\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; \u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1 \u05e4\u05e8\u05e7 3. \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05de\u05d6\u05d5\u05df? \u05e9\u05d9\u05e2\u05d5\u05e8 3.2 \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05d0\u05db\u05d9\u05dc\u05ea \u05d1\u05e9\u05e8? \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 13-18 \u05d7\u05d5\u05de\u05e8\u05d9\u05dd: \u00a0 \u05d9\u05d5\u05de\u05e0\u05d9 \u05d1\u05d6\u05d1\u05d5\u05d6 \u05de\u05d6\u05d5\u05df \u05d5\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05d9\u05e2\u05d5\u05e8 \u05d6\u05d4 \u05d9\u05ea\u05de\u05e7\u05d3 \u05d1\u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df \u05d5\u05d1\u05d4\u05e6\u05d2\u05ea \u05d4\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea. \u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 13 \u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df \u05d1\u05e7\u05e9\u05d5 \u05de-2-3 \u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05e9\u05ea\u05e3 \u05d0\u05ea \u05d4\u05d9\u05d5\u05de\u05df \u05e9\u05dc\u05d4\u05dd. \u05e9\u05d0\u05dc\u05d5\u05ea [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false},"categories":[],"tags":[],"class_list":["post-10137","lesson_page","type-lesson_page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1 - \u05e4\u05e8\u05e7 3 - \u05e9\u05d9\u05e2\u05d5\u05e8 2 - grand-challenges<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/\u05d4\u05d0\u05db\u05dc\u05ea-\u05d4\u05db\u05d3\u05d5\u05e8-\u05d4\u05e8\u05e2\u05d1-\u05e4\u05e8\u05e7-3-\u05e9\u05d9\u05e2\u05d5\u05e8-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1 - \u05e4\u05e8\u05e7 3 - \u05e9\u05d9\u05e2\u05d5\u05e8 2 - grand-challenges\" \/>\n<meta property=\"og:description\" content=\"\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; \u05d4\u05d0\u05db\u05dc\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1 \u05e4\u05e8\u05e7 3. \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05de\u05d6\u05d5\u05df? \u05e9\u05d9\u05e2\u05d5\u05e8 3.2 \u05de\u05d4\u05df \u05d4\u05d4\u05e9\u05e4\u05e2\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05dc \u05d0\u05db\u05d9\u05dc\u05ea \u05d1\u05e9\u05e8? \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 13-18 \u05d7\u05d5\u05de\u05e8\u05d9\u05dd: \u00a0 \u05d9\u05d5\u05de\u05e0\u05d9 \u05d1\u05d6\u05d1\u05d5\u05d6 \u05de\u05d6\u05d5\u05df \u05d5\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea \u05e9\u05d9\u05e2\u05d5\u05e8 \u05d6\u05d4 \u05d9\u05ea\u05de\u05e7\u05d3 \u05d1\u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df \u05d5\u05d1\u05d4\u05e6\u05d2\u05ea \u05d4\u05ea\u05d5\u05d5\u05d9\u05d5\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9\u05d5\u05ea. \u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 13 \u05e9\u05d9\u05ea\u05d5\u05e3 \u05d9\u05d5\u05de\u05e0\u05d9 \u05e4\u05e1\u05d5\u05dc\u05ea \u05d4\u05de\u05d6\u05d5\u05df \u05d1\u05e7\u05e9\u05d5 \u05de-2-3 \u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05e9\u05ea\u05e3 \u05d0\u05ea \u05d4\u05d9\u05d5\u05de\u05df \u05e9\u05dc\u05d4\u05dd. \u05e9\u05d0\u05dc\u05d5\u05ea [&hellip;]\" \/>\n<meta property=\"og:url\" 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