(function(){var loadHandler=window['sl_{904D71D3-BFB3-4B5F-80DB-6DEF9A7D32A9}'];loadHandler&&loadHandler(16, '<div id="spr0_e1b9d3"><div id="spr1_e1b9d3" class="kern slide"><img id="img0_e1b9d3" src="data/img3.png" width="720px" height="405px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_e1b9d3" class="kern slide"><div id="spr3_e1b9d3" style="left:36px;top:375.375px;"><div style="width:0px;"><span id="txt0_e1b9d3" class="nokern" data-width="45.043945" style="left:5.401px;top:5.838px;">28/01/2026</span></div></div><div id="spr4_e1b9d3" style="left:516px;top:375.375px;"><div style="width:0px;"><span id="txt1_e1b9d3" class="nokern" data-width="9.123047" style="left:153.551px;top:4.243px;">17</span></div></div><div id="svg1_e1b9d3" style="left:17px;top:336.245px;"><svg width="176" height="44" viewBox="-3 -3 176 44"><g fill="none"><path fill="#4f81bd" stroke="#385d8a" stroke-width="2" stroke-linecap="butt" stroke-linejoin="miter" transform="translate(1,1)" d="M0,26.344 v-17.563 H149.687 v-8.781 l17.563,17.563 l-17.563,17.563 v-8.781 Z"/></g></svg></div><div id="spr5_e1b9d3" style="left:196.5px;top:319.631px;"><div style="width:0px;"><span id="txt2_e1b9d3" data-width="20.000000" style="left:7.2px;top:4.665px;">    </span></div><div style="width:0px;"><span id="txt3_e1b9d3" data-width="480.380859" style="left:27.2px;top:4.665px;">Lấy ví dụ chứng tỏ âm truyền trong chất rắn nhanh hơn</span></div><div style="width:0px;"><span id="txt4_e1b9d3" data-width="493.935547" style="left:7.2px;top:28.665px;">trong chất lỏng, trong chất lỏng nhanh hơn trong chất khí</span></div><div style="width:0px;"><span id="txt5_e1b9d3" data-width="15.000000" style="left:499.745px;top:28.665px;"> ?</span></div></div><div id="spr6_e1b9d3" style="left:298.125px;top:3.304px;"><div style="width:0px;"><span id="txt6_e1b9d3" data-width="117.799614" style="left:7.2px;top:4.665px;">Thí nghiệm 2</span></div></div><div id="yt3" style="left:51px;top:36.821px;"></div><div id="spr8_e1b9d3" style="left:9.75px;top:317.618px;"><div style="width:0px;"><span id="txt7_e1b9d3" data-width="183.570312" style="left:7.2px;top:4.452px;">Đọc nội dung “Em có biết”</span></div></div><div id="spr9_e1b9d3" style="left:199.5px;top:333.128px;"><div style="width:0px;"><span id="txt8_e1b9d3" data-width="421.357422" style="left:7.2px;top:4.665px;">Giải thích tốc độ truyền âm trong các môi trường</span></div><div style="width:0px;"><span id="txt9_e1b9d3" style="left:427.715px;top:4.665px;"> </span></div><div style="width:0px;"><span id="txt10_e1b9d3" style="left:432.715px;top:4.665px;">?</span></div></div></div></div>', '{"s":[]}');})();