{"id":7571,"date":"2024-01-08T14:47:16","date_gmt":"2024-01-08T14:47:16","guid":{"rendered":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/?post_type=lesson_page&#038;p=7571"},"modified":"2024-07-28T12:15:27","modified_gmt":"2024-07-28T09:15:27","slug":"quenching-a-thirsty-planet-ch4_2-heb","status":"publish","type":"lesson_page","link":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch4_2-heb\/","title":{"rendered":"\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 &#8211; \u05e4\u05e8\u05e7 4 &#8211; \u05e9\u05d9\u05e2\u05d5\u05e8 2"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7571\" class=\"elementor elementor-7571\" data-elementor-post-type=\"lesson_page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00fc7d1 e-flex e-con-boxed e-con e-parent\" data-id=\"00fc7d1\" 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-8bdcf32 elementor-widget elementor-widget-text-editor\" data-id=\"8bdcf32\" 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%a9%d7%a7%d7%99%d7%99%d7%aa-%d7%94%d7%9b%d7%93%d7%95%d7%a8-%d7%94%d7%a6%d7%9e%d7%90-%d7%97%d7%95%d7%9e%d7%a8%d7%99%d7%9d-%d7%9c%d7%9e%d7%95%d7%a8%d7%94\/\">\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0<\/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-975ddfc elementor-widget elementor-widget-heading\" data-id=\"975ddfc\" 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 4. \u05d0\u05dc\u05d5 \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05e7\u05d9\u05d9\u05de\u05d9\u05dd?<\/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\" id=\"lesson4-2\">\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\" 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 4.2 \u05de\u05d4\u05dd \u05d4\u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d4\u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05d9\u05dd?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b457803 elementor-widget elementor-widget-text-editor\" data-id=\"b457803\" 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>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd:\u00a0<\/strong><\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 5-14. \u05e0\u05d9\u05ea\u05df \u05dc\u05d4\u05de\u05e9\u05d9\u05da \u05d0\u05ea \u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea \u05de\u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05e7\u05d5\u05d3\u05dd.<\/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-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><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 5-7 &#8211; \u05e4\u05ea\u05d9\u05d7\u05d4 \u05dc\u05e9\u05d9\u05e2\u05d5\u05e8.<\/strong> (\u05d0\u05dd \u05e2\u05d1\u05e8 \u05d6\u05de\u05df \u05de\u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05e7\u05d5\u05d3\u05dd, \u05db\u05d3\u05d0\u05d9 \u05dc\u05e4\u05ea\u05d5\u05d7 \u05e2\u05dd \u05d7\u05d6\u05e8\u05d4 \u05e2\u05dc \u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 4 \u05d1\u05d4 \u05de\u05d9\u05d9\u05e0\u05ea\u05dd \u05d0\u05ea \u05d4\u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05e9\u05d4\u05d5\u05e6\u05e2\u05d5 \u05e2\u05dc \u05d9\u05d3\u05d9 \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd). \u05d4\u05e6\u05d9\u05d2\u05d5 \u05dc\u05d4\u05dd \u05d0\u05ea \u05d4\u05e4\u05e8\u05e1\u05d5\u05de\u05d5\u05ea \u05d4\u05d9\u05e9\u05e0\u05d5\u05ea \u05d1\u05d4\u05dd \u05d4\u05d3\u05d2\u05e9 \u05d4\u05d5\u05d0 \u05e2\u05dc \u05d4\u05e4\u05d7\u05ea\u05ea \u05e6\u05e8\u05d9\u05db\u05d4 \u05d0\u05d9\u05e9\u05d9\u05ea.\u00a0 \u05e0\u05d9\u05ea\u05df \u05d2\u05dd \u05dc\u05d4\u05e7\u05e8\u05d9\u05df \u05d0\u05ea \u05d4\u05e1\u05e8\u05d8\u05d5\u05df \u05e9\u05dc \u05e8\u05e0\u05e0\u05d4 \u05e8\u05d6 &#8211;<a href=\"https:\/\/www.youtube.com\/watch?v=hYlaYwP51Bo\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=hYlaYwP51Bo<\/a> \u05d9\u05e9\u05e8\u05d0\u05dc \u05de\u05ea\u05d9\u05d9\u05d1\u05e9\u05ea \u05de\u05e9\u05e0\u05ea 2008 , \u05d5\u05d0\u05d6 \u05d0\u05d7\u05e8\u05d9 <a href=\"https:\/\/www.youtube.com\/watch?v=NEqUrYdtnWk\" target=\"_blank\" rel=\"noopener\">\u05e2\u05e9\u05d5\u05e8 \u05d9\u05e9\u05e8\u05d0\u05dc \u05e9\u05d5\u05d1 \u05de\u05ea\u05d9\u05d9\u05d1\u05e9\u05ea<\/a>. \u05d0\u05d1\u05dc \u05dc\u05e2\u05d5\u05e8\u05e8 \u05d3\u05d9\u05d5\u05df \u05e2\u05dc \u05d4\u05d7\u05e9\u05d9\u05d1\u05d5\u05ea \u05e9\u05dc \u05e9\u05d9\u05dc\u05d5\u05d1 \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d5\u05dc\u05d0 \u05e8\u05e7 \u05d0\u05d7\u05e8\u05d9\u05d5\u05ea \u05d0\u05d9\u05e9\u05d9\u05ea.\u00a0\u00a0<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 7 &#8211; \u05e9\u05d9\u05de\u05d5\u05e9 \u05d7\u05d5\u05d6\u05e8 \u05d1\u05de\u05d9\u05dd \u05d1\u05d7\u05dc\u05e7 \u05de\u05d4\u05d7\u05dc\u05d8\u05d5\u05ea \u05d0\u05d9\u05e9\u05d9\u05d5\u05ea. \u05e0\u05d9\u05ea\u05df \u05dc\u05d3\u05d1\u05e8 \u05e2\u05dc \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05e4\u05e9\u05d5\u05d8\u05d9\u05dd \u05e9\u05dc\u05d0 \u05d3\u05d5\u05e8\u05e9\u05d9\u05dd \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05d4 \u05e9\u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05d9\u05d9\u05e9\u05dd \u05d1\u05d1\u05d9\u05ea, \u05d5\u05dc\u05ea\u05ea \u05dc\u05d4\u05dd \u05dc\u05d7\u05e9\u05d5\u05d1 \u05e2\u05dc \u05e8\u05e2\u05d9\u05d5\u05e0\u05d5\u05ea \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd.\u00a0\u00a0<\/p><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 8-14: \u05ea\u05e4\u05e7\u05d9\u05d3\u05df \u05e9\u05dc \u05de\u05de\u05e9\u05dc\u05d5\u05ea \u05d5\u05e8\u05e9\u05d5\u05d9\u05d5\u05ea \u05de\u05e7\u05d5\u05de\u05d9\u05d5\u05ea<\/strong><\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 8: \u05d3\u05d1\u05e8\u05d5 \u05e2\u05dd \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05e2\u05dc \u05db\u05da \u05e9\u05d1\u05de\u05e9\u05d1\u05e8 \u05d4\u05de\u05d9\u05dd \u05dc\u05de\u05de\u05e9\u05dc\u05d5\u05ea \u05d5\u05dc\u05e8\u05e9\u05d5\u05d9\u05d5\u05ea \u05de\u05e7\u05d5\u05de\u05d9\u05d5\u05ea \u05d9\u05e9 \u05db\u05d5\u05d7 \u05d5\u05d0\u05d7\u05e8\u05d9\u05d5\u05ea. \u05d9\u05e9 \u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05d1\u05d4\u05dd \u05d9\u05e9 \u05d0\u05d9\u05e1\u05d5\u05e8 \u05e2\u05dc \u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05de\u05d3\u05e9\u05d0\u05d5\u05ea, \u05e2\u05dc \u05de\u05d9\u05dc\u05d5\u05d9 \u05d1\u05e8\u05d9\u05db\u05d5\u05ea \u05e9\u05d7\u05d9\u05d9\u05d4. \u05dc\u05de\u05e9\u05dc, \u05d1\u05e9\u05e0\u05d9\u05dd \u05e9\u05dc \u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05d9\u05e9\u05e8\u05d0\u05dc \u05d1\u05d9\u05e7\u05e9\u05d5 \u05de\u05ea\u05d5\u05e9\u05d1\u05d9\u05dd \u05dc\u05d0 \u05dc\u05d4\u05e9\u05e7\u05d5\u05ea \u05d2\u05d9\u05e0\u05d5\u05ea \u05e4\u05e8\u05d8\u05d9\u05d5\u05ea.\u00a0\u00a0<br \/>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 9: \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05ea\u05e9\u05ea\u05d9\u05d5\u05ea \u05d9\u05e8\u05d5\u05e7\u05d5\u05ea, \u05d1\u05e2\u05d9\u05e7\u05e8 \u05d1\u05d0\u05d9\u05d6\u05d5\u05e8\u05d9\u05dd \u05e2\u05d9\u05e8\u05d5\u05e0\u05d9\u05d9\u05dd. \u05dc\u05e7\u05e8\u05d9\u05d0\u05d4 \u05e0\u05d5\u05e1\u05e4\u05ea &#8211;<a href=\"https:\/\/www.zavit.org.il\/%d7%9e%d7%a9%d7%aa%d7%9f-%d7%9c%d7%93%d7%a9%d7%9f\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.zavit.org.il\/\u05de\u05e9\u05ea\u05df-\u05dc\u05d3\u05e9\u05df\/ \u05db\u05ea\u05d1\u05d4 \u05d1\u05d6\u05d5\u05d9\u05ea.<\/a>\u00a0\u00a0<\/p><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 10-14 &#8211; \u05d4\u05e6\u05d2\u05ea \u05de\u05d2\u05d5\u05d5\u05df \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d5\u05d7\u05d3\u05e9\u05e0\u05d5\u05ea \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05ea, <\/strong>\u05d7\u05dc\u05e7 \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05db\u05d1\u05e8 \u05de\u05db\u05d9\u05e8\u05d9\u05dd (\u05dc\u05de\u05e9\u05dc \u05d4\u05ea\u05e4\u05dc\u05d4).\u00a0\u00a0<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 10 &#8211; \u05d8\u05e4\u05d8\u05e4\u05d5\u05ea. \u05d1-1964 \u05e2\u05e0\u05e3 \u05d4\u05d7\u05e7\u05dc\u05d0\u05d5\u05ea \u05d1\u05d0\u05e8\u05e5 \u05e6\u05e8\u05da 80% \u05de\u05d4\u05de\u05d9\u05dd \u05e9\u05dc \u05d4\u05de\u05d3\u05d9\u05e0\u05d4. \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc \u05dc\u05d0 \u05d4\u05d9\u05d5 \u05de\u05e1\u05e4\u05d9\u05e7 \u05de\u05d9\u05dd \u05de\u05ea\u05d5\u05e7\u05d9\u05dd \u05db\u05d3\u05d9 \u05dc\u05e2\u05de\u05d5\u05d3 \u05d1\u05d1\u05d9\u05e7\u05d5\u05e9 \u05e9\u05dc \u05d4\u05d7\u05e7\u05dc\u05d0\u05d9\u05dd \u05d5\u05e9\u05dc \u05de\u05e9\u05e7\u05d9 \u05d4\u05d1\u05d9\u05ea \u05d9\u05d7\u05d3. \u05d1-1959 \u05d4\u05d7\u05dc\u05d5 \u05e9\u05de\u05d7\u05d4 \u05d1\u05dc\u05d0\u05e1 \u05d5\u05d1\u05e0\u05d5 \u05d9\u05e9\u05e2\u05d9\u05d4\u05d5 \u05dc\u05e4\u05ea\u05d7 \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05d4 \u05e9\u05dc \u05d4\u05e9\u05e7\u05d9\u05d4 \u05d1\u05d8\u05e4\u05d8\u05d5\u05e3. \u05d4\u05e8\u05e2\u05d9\u05d5\u05df \u05e9\u05dc\u05d4\u05dd \u05d4\u05d9\u05d4 \u05dc\u05d4\u05e9\u05e7\u05d5\u05ea \u05d0\u05ea \u05d4\u05d2\u05d9\u05d3\u05d5\u05dc\u05d9\u05dd \u05d4\u05d7\u05e7\u05dc\u05d0\u05d9\u05d9\u05dd \u05dc\u05d0\u05d8 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d8\u05e4\u05d8\u05d5\u05e3 \u05de\u05d9\u05dd \u05d1\u05e1\u05de\u05d5\u05da \u05dc\u05e9\u05d5\u05e8\u05e9\u05d9\u05dd.\u00a0\u00a0<br \/>\u05e9\u05d9\u05d8\u05ea \u05d4\u05d4\u05e9\u05e7\u05d9\u05d4 \u05d4\u05d6\u05d0\u05ea \u05de\u05d5\u05e0\u05e2\u05ea \u05de\u05e8\u05d5\u05d1 \u05d4\u05de\u05d9\u05dd \u05dc\u05d4\u05ea\u05d0\u05d3\u05d5\u05ea, \u05d5\u05db\u05da \u05d4\u05e6\u05de\u05d7 \u05e1\u05d5\u05e4\u05d2 \u05d4\u05e8\u05d1\u05d4 \u05d9\u05d5\u05ea\u05e8 \u05de\u05d9\u05dd. \u05d4\u05e9\u05d9\u05d8\u05d4 \u05d4\u05d6\u05d0\u05ea \u05d9\u05e2\u05d9\u05dc\u05d4 \u05d4\u05e8\u05d1\u05d4 \u05d9\u05d5\u05ea\u05e8 \u05de\u05d4\u05e9\u05e7\u05d9\u05d4 \u05d1\u05ea\u05e2\u05dc\u05d5\u05ea \u05d0\u05d5 \u05d1\u05d4\u05e6\u05e4\u05d4. \u05e2\u05d3 \u05e9\u05e0\u05ea 1965 \u05d0\u05d5\u05de\u05e6\u05d4 \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05d9\u05ea \u05d4\u05d8\u05e4\u05d8\u05e4\u05d5\u05ea \u05d1\u05db\u05dc \u05e8\u05d7\u05d1\u05d9 \u05d4\u05d0\u05e8\u05e5. \u05db\u05d9\u05d5\u05dd 75% \u05de\u05d4\u05d2\u05d9\u05d3\u05d5\u05dc\u05d9\u05dd \u05d1\u05d0\u05e8\u05e5 \u05de\u05d5\u05e9\u05e7\u05d9\u05dd \u05d1\u05d8\u05e4\u05d8\u05e4\u05d5\u05ea. \u05dc\u05de\u05e8\u05d1\u05d4 \u05d4\u05e6\u05e2\u05e8, \u05e8\u05e7 5% \u05de\u05d4\u05de\u05e9\u05e7\u05d9\u05dd \u05d4\u05d7\u05e7\u05dc\u05d0\u05d9\u05d9\u05dd \u05d1\u05e8\u05d7\u05d1\u05d9 \u05d4\u05e2\u05d5\u05dc\u05dd \u05de\u05e9\u05ea\u05de\u05e9\u05d9\u05dd \u05d1\u05d8\u05e4\u05d8\u05e4\u05d5\u05ea \u05db\u05d9\u05d5\u05dd, \u05d1\u05e2\u05d9\u05e7\u05e8 \u05d1\u05d2\u05dc\u05dc \u05d7\u05e1\u05de\u05d9\u05dd \u05db\u05dc\u05db\u05dc\u05d9\u05d9\u05dd.\u00a0\u00a0<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 11: \u05d8\u05d9\u05d4\u05d5\u05e8\u05d9 \u05de\u05d9 \u05e7\u05d5\u05dc\u05d7\u05d9\u05dd. \u05d4\u05ea\u05d9\u05d9\u05d7\u05e1\u05e0\u05d5 \u05dc\u05e0\u05d5\u05e9\u05d0 \u05d6\u05d4 \u05d1\u05e4\u05e8\u05e7 \u05d4\u05e8\u05d0\u05e9\u05d5\u05df \u05e9\u05dc \u05d4\u05d9\u05d7\u05d9\u05d3\u05d4. \u05dc\u05de\u05d9\u05d3\u05e2 \u05e0\u05d5\u05e1\u05e3 \u05d1\u05d0\u05ea\u05e8<a href=\"https:\/\/www.gov.il\/he\/departments\/guides\/use_of_effluent_water?chapterIndex=2\" target=\"_blank\" rel=\"noopener\">https:\/\/www.gov.il\/he\/departments\/guides\/use_of_effluent_water?chapterIndex=2 \u05d4\u05de\u05e9\u05e8\u05d3 \u05dc\u05d4\u05d2\u05e0\u05ea \u05d4\u05e1\u05d1\u05d9\u05d1\u05d4.\u00a0\u00a0\u00a0<\/a><\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 12: \u05d0\u05e1\u05dc\u05d4 \u05d7\u05db\u05de\u05d4. <a href=\"https:\/\/www.zavit.org.il\/%d7%9e%d7%a9%d7%aa%d7%9f-%d7%9c%d7%93%d7%a9%d7%9f\/\" target=\"_blank\" rel=\"noopener\">\u05db\u05ea\u05d1\u05d4https:\/\/www.zavit.org.il\/\u05de\u05e9\u05ea\u05df-\u05dc\u05d3\u05e9\u05df\/ \u05d1\u05d0\u05ea\u05e8 \u05d6\u05d5\u05d9\u05ea, \u05dc\u05d0\u05ea\u05e8 \u05d4\u05d7\u05d1\u05e8\u05d4\u00a0<\/a><\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 13: \u05d2\u05d2\u05d5\u05ea \u05d9\u05e8\u05d5\u05e7\u05d9\u05dd. \u05d1\u05e0\u05d5\u05d9\u05d9\u05dd \u05de\u05de\u05e2\u05e8\u05db\u05ea \u05e9\u05d1\u05d1\u05e1\u05d9\u05e1\u05d4 \u05d4\u05d9\u05db\u05d5\u05dc\u05d5\u05ea \u05dc\u05dc\u05db\u05d5\u05d3, \u05dc\u05d0\u05d7\u05e1\u05df \u05d5\u05dc\u05d8\u05e4\u05dc \u05d1\u05de\u05d9\u05dd \u05d5\u05d1\u05db\u05da \u05dc\u05e2\u05d6\u05d5\u05e8 \u05d2\u05dd \u05d1\u05de\u05e0\u05d9\u05e2\u05ea \u05d4\u05e6\u05e4\u05d5\u05ea. \u05d2\u05d2\u05d5\u05ea \u05d9\u05e8\u05d5\u05e7\u05d9\u05dd \u05de\u05d7\u05db\u05d9\u05dd \u05d0\u05ea \u05de\u05d7\u05d6\u05d5\u05e8 \u05d4\u05de\u05d9\u05dd \u05d4\u05d8\u05d1\u05e2\u05d9 \u05d1\u05d8\u05d1\u05e2 \u05d5\u05d2\u05dd \u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05e2\u05d6\u05d5\u05e8 \u05dc\u05d7\u05e7\u05dc\u05d0\u05d5\u05ea \u05e2\u05d9\u05e8\u05d5\u05e0\u05d9\u05ea (\u05d1\u05d4\u05de\u05e9\u05da\u00a0 \u05db\u05e9\u05e0\u05d2\u05d9\u05e2 \u05dc\u05d9\u05d7\u05d9\u05d3\u05d4 \u05e2\u05dc \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e8\u05e2\u05d1, \u05e0\u05d7\u05d6\u05d5\u05e8 \u05dc\u05e8\u05e2\u05d9\u05d5\u05df \u05d6\u05d4).<\/p><p>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 14: \u05d4\u05ea\u05e4\u05dc\u05d4. (\u05e2\u05e1\u05e7\u05e0\u05d5 \u05d1\u05e0\u05d5\u05e9\u05d0 \u05d1\u05d4\u05e8\u05d7\u05d1\u05d4 \u05d1\u05e4\u05e8\u05e7 1 \u05d1\u05e9\u05d9\u05e2\u05d5\u05e8 1.4)\u00a0 \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-61bba12 e-flex e-con-boxed e-con e-child\" data-id=\"61bba12\" 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-ce40ec8 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"ce40ec8\" 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-33ec353 elementor-widget elementor-widget-text-editor\" data-id=\"33ec353\" 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 \u05d3\u05e7\u05d5\u05ea<\/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\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-8e5fc40 e-flex e-con-boxed e-con e-parent\" data-id=\"8e5fc40\" 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-5c7fd4f elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"5c7fd4f\" 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\/quenching-a-thirsty-planet-ch4_1-heb\/\">\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 4.1  <\/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-d326c4c elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"d326c4c\" 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\/quenching-a-thirsty-planet-ch4-heb\/\">\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 4<\/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-e92a3e8 elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"e92a3e8\" 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\/quenching-a-thirsty-planet-ch4_3-heb\/\">\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 4.3  <\/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<div class=\"elementor-element elementor-element-bcb3086 e-flex e-con-boxed e-con e-parent\" data-id=\"bcb3086\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bed5e64 e-flex e-con-boxed e-con e-parent\" data-id=\"bed5e64\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\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\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 \u05e4\u05e8\u05e7 4. \u05d0\u05dc\u05d5 \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05e7\u05d9\u05d9\u05de\u05d9\u05dd? \u05e9\u05d9\u05e2\u05d5\u05e8 4.2 \u05de\u05d4\u05dd \u05d4\u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d4\u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9\u05d9\u05dd? \u05d7\u05d5\u05de\u05e8\u05d9\u05dd:\u00a0 \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 5-14. \u05e0\u05d9\u05ea\u05df \u05dc\u05d4\u05de\u05e9\u05d9\u05da \u05d0\u05ea \u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea \u05de\u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05e7\u05d5\u05d3\u05dd. \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 5-7 &#8211; \u05e4\u05ea\u05d9\u05d7\u05d4 \u05dc\u05e9\u05d9\u05e2\u05d5\u05e8. 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