{"id":25984,"date":"2025-06-14T10:04:40","date_gmt":"2025-06-14T03:04:40","guid":{"rendered":"https:\/\/i-clc.edu.vn\/?p=25984"},"modified":"2025-06-16T09:09:17","modified_gmt":"2025-06-16T02:09:17","slug":"25984","status":"publish","type":"post","link":"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/25984\/","title":{"rendered":"Khoa h\u1ecdc song ng\u1eef: V\u00ec sao ta l\u1ea1i th\u1ea5y s\u00e9t tr\u01b0\u1edbc r\u1ed3i m\u1edbi nghe ti\u1ebfng s\u1ea5m?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">V\u00e0o m\u00f9a m\u01b0a, b\u00e9 c\u00f3 th\u01b0\u1eddng hay ng\u1eafm nh\u1eefng gi\u1ecdt m\u01b0a n\u1eb7ng h\u1ea1t r\u01a1i t\u1eeb tr\u00ean b\u1ea7u tr\u1eddi v\u00e0 nh\u00ecn th\u1ea5y nh\u1eefng tia s\u00e9t s\u00e1ng ch\u00f3i l\u00f3e \u0111i k\u00e8m sau \u0111\u00f3 v\u00e0i gi\u00e2y l\u00e0 nh\u1eefng ti\u1ebfng s\u1ea5m to \u0111\u00f9ng \u0111o\u00e0ng. B\u00e9 c\u00f3 bao gi\u1edd t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n r\u1eb1ng t\u1ea1i sao nh\u1eefng ti\u1ebfng s\u1ea5m \u201c\u00e2m \u1ea7m\u201d \u1ea5y kh\u00f4ng \u0111i k\u00e8m theo nh\u1eefng tia s\u00e9t m\u00e0 l\u1ea1i x\u1ea3y ra c\u00e1ch nhau v\u00e0i gi\u00e2y? Nghe th\u1eadt k\u1ef3 l\u1ea1 ph\u1ea3i kh\u00f4ng, nh\u01b0ng th\u1ef1c ra khoa h\u1ecdc c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi r\u1ea5t th\u00fa v\u1ecb cho hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u1ea5y!\u00a0\u00a0<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">During the rainy season, do you often watch heavy raindrops falling from the sky and see bright flashes of lightning followed by loud thunder a few seconds later? Have you ever wondered why those \u201crumbling\u201d thunders do not come with lightning but occur a few seconds apart? Sounds strange, right? But actually science has a very interesting answer to this phenomenon!<\/span><\/i><\/p>\n<p><b>Ch\u1edbp v\u00e0 s\u1ea5m \u0111\u1ebfn t\u1eeb \u0111\u00e2u?<\/b><\/p>\n<p><b><i>Where do lightning and thunder come from?<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400\">Ch\u1edbp v\u00e0 s\u1ea5m \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra trong c\u01a1n gi\u00f4ng. Khi m\u00e2y t\u00edch \u0111i\u1ec7n, ch\u00fang t\u1ea1o ra m\u1ed9t tia ch\u1edbp \u2013 gi\u1ed1ng nh\u01b0 tia l\u1eeda \u0111i\u1ec7n kh\u1ed5ng l\u1ed3 gi\u1eefa c\u00e1c \u0111\u00e1m m\u00e2y ho\u1eb7c gi\u1eefa m\u00e2y v\u00e0 m\u1eb7t \u0111\u1ea5t. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a tia ch\u1edbp <\/span><b>c\u00f3 th\u1ec3 n\u00f3ng g\u1ea5p 5 l\u1ea7n M\u1eb7t Tr\u1eddi<\/b><span style=\"font-weight: 400\">, l\u00e0m cho kh\u00f4ng kh\u00ed xung quanh <\/span><b>n\u1edf ra nhanh v\u00e0 t\u1ea1o ra ti\u1ebfng n\u1ed5 l\u1edbn<\/b><span style=\"font-weight: 400\"> \u2013 \u0111\u00f3 ch\u00ednh l\u00e0 s\u1ea5m!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Lightning and thunder both come from thunderstorms. When clouds build up electric charge, they release a lightning bolt \u2013 like a giant electric spark in the sky. This lightning bolt is <\/span><\/i><b><i>hotter than the surface of the sun<\/i><\/b><i><span style=\"font-weight: 400\">, and it makes the air around it <\/span><\/i><b><i>expand super fast<\/i><\/b><i><span style=\"font-weight: 400\">, causing a loud explosion \u2013 that\u2019s thunder!<\/span><\/i><\/p>\n<p><a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/3.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-25985 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/3.jpg\" alt=\"\" width=\"626\" height=\"351\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/3.jpg 626w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/3-300x168.jpg 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/3-18x10.jpg 18w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/a><\/p>\n<h4><b>T\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng nhanh h\u01a1n \u00e2m thanh!<\/b><\/h4>\n<p><b><i>Light travels faster than sound!<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400\">L\u00fd do ch\u00fang ta th\u1ea5y ch\u1edbp tr\u01b0\u1edbc r\u1ed3i m\u1edbi nghe ti\u1ebfng s\u1ea5m l\u00e0 v\u00ec \u00e1nh s\u00e1ng di chuy\u1ec3n nhanh h\u01a1n \u00e2m thanh r\u1ea5t nhi\u1ec1u.\u00c1nh s\u00e1ng t\u1eeb tia ch\u1edbp \u0111\u1ebfn m\u1eaft b\u00e9 g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c (300.000 km\/gi\u00e2y!), c\u00f2n \u00e2m thanh c\u1ee7a ti\u1ebfng s\u1ea5m ch\u1ec9 \u0111i \u0111\u01b0\u1ee3c kho\u1ea3ng 343 m\u00e9t\/gi\u00e2y trong kh\u00f4ng kh\u00ed. V\u00ec v\u1eady, n\u1ebfu tia ch\u1edbp c\u00e1ch b\u00e9 xa, \u00e2m thanh s\u1ebd \u0111\u1ebfn sau m\u1ed9t v\u00e0i gi\u00e2y!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">The reason we <\/span><\/i><b><i>see lightning before hearing thunder<\/i><\/b><i><span style=\"font-weight: 400\"> is because <\/span><\/i><b><i>light travels much faster than sound<\/i><\/b><i><span style=\"font-weight: 400\">.Light from the lightning reaches your eyes <\/span><\/i><b><i>almost instantly<\/i><\/b><i><span style=\"font-weight: 400\"> (at 300,000 km per second!), while the sound of thunder only travels about 343 meters per second through air. So if the lightning is far away, the sound takes a few seconds to reach you!<\/span><\/i><\/p>\n<h4><b>B\u00e9 c\u00f3 th\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch c\u1ee7a tia ch\u1edbp b\u1eb1ng c\u00e1ch \u0111\u1ebfm<\/b><\/h4>\n<p><b><i>You can count to measure how far lightning is!<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400\">Mu\u1ed1n bi\u1ebft tia ch\u1edbp c\u00e1ch m\u00ecnh bao xa? Khi th\u1ea5y tia ch\u1edbp, h\u00e3y b\u1eaft \u0111\u1ea7u \u0111\u1ebfm: \u201cm\u1ed9t\u2026 hai\u2026 ba\u2026\u201d cho \u0111\u1ebfn khi nghe ti\u1ebfng s\u1ea5m. M\u1ed7i 3 gi\u00e2y l\u00e0 kho\u1ea3ng 1 c\u00e2y s\u1ed1!V\u00ed d\u1ee5: N\u1ebfu b\u00e9 \u0111\u1ebfm \u0111\u01b0\u1ee3c 6 gi\u00e2y sau ch\u1edbp m\u1edbi nghe th\u1ea5y s\u1ea5m, th\u00ec tia ch\u1edbp c\u00e1ch kho\u1ea3ng 2 km.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Want to know how far the lightning is? When you see lightning, start counting: \u201cone\u2026 two\u2026 three\u2026\u201d until you hear the thunder. <\/span><\/i><b><i>Every 3 seconds = about 1 kilometer<\/i><\/b><i><span style=\"font-weight: 400\">!So if you count 6 seconds between the lightning and thunder, the lightning is about <\/span><\/i><b><i>2 kilometers away<\/i><\/b><i><span style=\"font-weight: 400\">.<\/span><\/i><\/p>\n<p><a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/2.jpg\"><img decoding=\"async\" class=\"size-full wp-image-25986 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/2.jpg\" alt=\"\" width=\"736\" height=\"502\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/2.jpg 736w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/2-300x205.jpg 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/06\/2-18x12.jpg 18w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400\">Gi\u1edd th\u00ec b\u00e9 \u0111\u00e3 bi\u1ebft v\u00ec sao ch\u1edbp lu\u00f4n \u0111\u1ebfn tr\u01b0\u1edbc s\u1ea5m r\u1ed3i, \u0111\u00fang kh\u00f4ng? V\u00ec <\/span><b>\u00e1nh s\u00e1ng ch\u1ea1y nhanh h\u01a1n \u00e2m thanh<\/b><span style=\"font-weight: 400\">, n\u00ean \u0111\u00f4i khi ph\u1ea3i ch\u1edd m\u1ed9t ch\u00fat m\u1edbi nghe th\u1ea5y ti\u1ebfng \u1ea7m vang! M\u1ed7i l\u1ea7n tr\u1eddi m\u01b0a gi\u00f4ng, b\u00e9 h\u00e3y th\u1eed \u0111\u1ebfm xem tia ch\u1edbp c\u00e1ch bao xa nh\u00e9 \u2013 v\u1eeba vui l\u1ea1i v\u1eeba h\u1ecdc \u0111\u01b0\u1ee3c \u0111i\u1ec1u th\u00fa v\u1ecb t\u1eeb khoa h\u1ecdc!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Now you know why lightning comes before thunder, right? Because <\/span><\/i><b><i>light is faster than sound<\/i><\/b><i><span style=\"font-weight: 400\">, we need to wait a little before hearing the boom! Next time there\u2019s a thunderstorm, try counting\u2014it\u2019s fun and a great way to learn science too!<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">S\u01b0u t\u1ea7m<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Collected<\/span><\/i><\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\nLANGUAGE CENTER INTERCONTINENTAL (I-CLC)<br \/>\nCN TP.HCM: 64 \u0110\u01b0\u1eddng 85, Ph\u01b0\u1eddng T\u00e2n Quy, Qu\u1eadn 7, TP. HCM<br \/>\nCN Nha Trang: Plot no. 12, Road B2, Urban Area, Vinh Diem Trung, Vinh Hiep, ho chi minh City, Nha Trang<br \/>\n0917729932<br \/>\n#ICLC #tienganhtieuhoc #tienganhtreem #IELTS<\/p>","protected":false},"excerpt":{"rendered":"<p>V\u00e0o m\u00f9a m\u01b0a, b\u00e9 c\u00f3 th\u01b0\u1eddng hay ng\u1eafm nh\u1eefng gi\u1ecdt m\u01b0a n\u1eb7ng h\u1ea1t r\u01a1i t\u1eeb tr\u00ean b\u1ea7u tr\u1eddi v\u00e0 nh\u00ecn th\u1ea5y nh\u1eefng tia s\u00e9t s\u00e1ng ch\u00f3i l\u00f3e \u0111i k\u00e8m sau \u0111\u00f3 v\u00e0i gi\u00e2y l\u00e0 nh\u1eefng ti\u1ebfng s\u1ea5m to \u0111\u00f9ng \u0111o\u00e0ng. B\u00e9 c\u00f3 bao gi\u1edd t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n r\u1eb1ng t\u1ea1i sao nh\u1eefng ti\u1ebfng s\u1ea5m \u201c\u00e2m &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/25984\/\"> <span class=\"screen-reader-text\">Khoa h\u1ecdc song ng\u1eef: V\u00ec sao ta l\u1ea1i th\u1ea5y s\u00e9t tr\u01b0\u1edbc r\u1ed3i m\u1edbi nghe ti\u1ebfng s\u1ea5m?<\/span> Read More &raquo;<\/a><\/p>","protected":false},"author":427,"featured_media":25987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[188],"tags":[],"class_list":["post-25984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-toan-khoa-hoc-song-ngu"],"acf":[],"_links":{"self":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/comments?post=25984"}],"version-history":[{"count":4,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25984\/revisions"}],"predecessor-version":[{"id":26063,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25984\/revisions\/26063"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media\/25987"}],"wp:attachment":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=25984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=25984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=25984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}