{"id":22715,"date":"2025-01-13T09:29:58","date_gmt":"2025-01-13T02:29:58","guid":{"rendered":"https:\/\/i-clc.edu.vn\/?p=22715"},"modified":"2025-01-13T09:54:56","modified_gmt":"2025-01-13T02:54:56","slug":"khoa-hoc-song-ngu-tai-sao-lua-co-mau-cam-hoac-do","status":"publish","type":"post","link":"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-tai-sao-lua-co-mau-cam-hoac-do\/","title":{"rendered":"Khoa h\u1ecdc song ng\u1eef: T\u1ea1i sao l\u1eeda c\u00f3 m\u00e0u cam ho\u1eb7c \u0111\u1ecf?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">L\u1eeda l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean th\u00fa v\u1ecb v\u00e0 \u0111\u1ea7y b\u00ed \u1ea9n. Khi ch\u00fang ta nh\u00ecn v\u00e0o ng\u1ecdn l\u1eeda b\u1eadp b\u00f9ng, th\u01b0\u1eddng th\u1ea5y n\u00f3 c\u00f3 m\u00e0u cam, \u0111\u1ecf, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 v\u00e0ng. Nh\u01b0ng t\u1ea1i sao l\u1eeda l\u1ea1i c\u00f3 nh\u1eefng m\u00e0u s\u1eafc nh\u01b0 v\u1eady? C\u00e1c b\u00e9 h\u00e3y c\u00f9ng I-CLC t\u00ecm hi\u1ec3u c\u00e1c l\u00fd do \u0111\u1eb1ng sau hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u n\u00e0y nh\u00e9!!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Fire is a fascinating and mysterious natural phenomenon. When we look at a flickering flame, it often appears orange, red, or even yellow. But why does fire have these colors? Let\u2019s explore the reasons behind this phenomenon in a simple and easy-to-understand way with I-CLC!<\/span><\/i><\/p>\n<h2><b>L\u1eeda l\u00e0 g\u00ec?<\/b><\/h2>\n<p><i><span style=\"font-weight: 400\">What is fire?<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">Tr\u01b0\u1edbc ti\u00ean, ch\u00fang ta c\u1ea7n bi\u1ebft l\u1eeda l\u00e0 g\u00ec. L\u1eeda l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 <\/span><b>s\u1ef1 ch\u00e1y<\/b><span style=\"font-weight: 400\">. Khi ch\u00fang ta \u0111\u1ed1t ch\u00e1y m\u1ed9t v\u1eadt g\u00ec \u0111\u00f3, v\u00ed d\u1ee5 nh\u01b0 c\u1ee7i ho\u1eb7c gi\u1ea5y, v\u1eadt \u0111\u00f3 k\u1ebft h\u1ee3p v\u1edbi kh\u00ed oxy trong kh\u00f4ng kh\u00ed v\u00e0 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u00e1nh s\u00e1ng v\u00e0 nhi\u1ec7t. \u00c1nh s\u00e1ng m\u00e0 ch\u00fang ta th\u1ea5y ch\u00ednh l\u00e0 l\u1eeda!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">First, we need to understand what fire is. Fire is the result of a process called <\/span><\/i><b><i>combustion<\/i><\/b><i><span style=\"font-weight: 400\">. When we burn something, such as wood or paper, the material combines with oxygen in the air and produces energy in the form of light and heat. The light we see is the flame!<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">S\u1ef1 ch\u00e1y l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc nhanh, trong \u0111\u00f3 c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y (nh\u01b0 g\u1ed7, than, hay kh\u00ed gas) k\u1ebft h\u1ee3p v\u1edbi oxy \u0111\u1ec3 t\u1ea1o ra nhi\u1ec7t v\u00e0 \u00e1nh s\u00e1ng. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong m\u1ed9t th\u1eddi gian ng\u1eafn v\u00e0 t\u1ecfa ra r\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng, l\u00e0m cho ng\u1ecdn l\u1eeda tr\u1edf n\u00ean s\u00e1ng r\u1ef1c v\u00e0 \u1ea5m \u00e1p.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Combustion is a rapid chemical reaction where flammable substances (like wood, coal, or gas) combine with oxygen to generate heat and light. This process typically occurs in a short period and releases a lot of energy, making the flame bright and warm.<\/span><\/i><\/p>\n<h2><b>M\u00e0u s\u1eafc c\u1ee7a l\u1eeda ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9<\/b><\/h2>\n<p><i><span style=\"font-weight: 400\">The color of fire depends on temperature<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">M\u1ed9t \u0111i\u1ec1u th\u00fa v\u1ecb v\u1ec1 l\u1eeda l\u00e0 m\u00e0u s\u1eafc c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng gi\u1ed1ng nhau. L\u1eeda c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u m\u00e0u kh\u00e1c nhau, t\u1eeb \u0111\u1ecf, cam, v\u00e0ng, cho \u0111\u1ebfn xanh, tr\u1eafng, ho\u1eb7c th\u1eadm ch\u00ed t\u00edm. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o <\/span><b>nhi\u1ec7t \u0111\u1ed9<\/b><span style=\"font-weight: 400\"> c\u1ee7a l\u1eeda.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">One fascinating thing about fire is that its color is not always the same. Fire can have various colors, such as red, orange, yellow, blue, white, or even purple. This depends on the <\/span><\/i><b><i>temperature<\/i><\/b><i><span style=\"font-weight: 400\"> of the fire<\/span><\/i><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>L\u1eeda \u0111\u1ecf ho\u1eb7c cam:<\/b><span style=\"font-weight: 400\"> \u0110\u00e2y l\u00e0 m\u00e0u s\u1eafc c\u1ee7a l\u1eeda khi nhi\u1ec7t \u0111\u1ed9 \u1edf m\u1ee9c th\u1ea5p h\u01a1n, th\u01b0\u1eddng l\u00e0 t\u1eeb 600 \u00b0C \u0111\u1ebfn 1.200 \u00b0C. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do t\u1ea1i sao khi \u0111\u1ed1t c\u1ee7i trong l\u00f2 s\u01b0\u1edfi ho\u1eb7c b\u1ebfp, ch\u00fang ta th\u01b0\u1eddng th\u1ea5y l\u1eeda c\u00f3 m\u00e0u \u0111\u1ecf ho\u1eb7c cam.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>L\u1eeda v\u00e0ng ho\u1eb7c tr\u1eafng:<\/b><span style=\"font-weight: 400\"> Khi nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, kho\u1ea3ng t\u1eeb 1.200 \u00b0C \u0111\u1ebfn 1.500 \u00b0C, l\u1eeda s\u1ebd c\u00f3 m\u00e0u v\u00e0ng ho\u1eb7c tr\u1eafng.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>L\u1eeda xanh ho\u1eb7c t\u00edm:<\/b><span style=\"font-weight: 400\"> Nh\u1eefng m\u00e0u s\u1eafc n\u00e0y xu\u1ea5t hi\u1ec7n khi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c k\u1ef3 cao, ho\u1eb7c khi c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00ed \u0111\u1eb7c bi\u1ec7t.<\/span><\/li>\n<li style=\"font-weight: 400\"><b><i>Red or orange flames:<\/i><\/b><i><span style=\"font-weight: 400\"> These colors occur at lower temperatures, usually between 600\u00b0C and 1,200\u00b0C. That\u2019s why when we burn wood in a fireplace or stove, we often see red or orange flames.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><b><i>Yellow or white flames:<\/i><\/b><i><span style=\"font-weight: 400\"> At higher temperatures, around 1,200\u00b0C to 1,500\u00b0C, the fire appears yellow or white.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><b><i>Blue or purple flames:<\/i><\/b><i><span style=\"font-weight: 400\"> These colors emerge at extremely high temperatures or when specific gases are present.<a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/f7de26313a2bd6dfb8e2fbd8057f3a6e.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-22717 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/f7de26313a2bd6dfb8e2fbd8057f3a6e.png\" alt=\"\" width=\"600\" height=\"344\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/f7de26313a2bd6dfb8e2fbd8057f3a6e.png 600w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/f7de26313a2bd6dfb8e2fbd8057f3a6e-300x172.png 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/f7de26313a2bd6dfb8e2fbd8057f3a6e-18x10.png 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/span><\/i><\/li>\n<\/ul>\n<h2><b>V\u00ec sao l\u1eeda c\u00f3 m\u00e0u cam ho\u1eb7c \u0111\u1ecf?<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Why is fire orange or red?<\/span><\/p>\n<p><span style=\"font-weight: 400\">Khi ch\u00fang ta \u0111\u1ed1t m\u1ed9t v\u1eadt nh\u01b0 g\u1ed7 ho\u1eb7c than, nhi\u1ec7t l\u01b0\u1ee3ng l\u00e0m c\u00e1c ph\u00e2n t\u1eed trong v\u1eadt \u0111\u00f3 n\u00f3ng l\u00ean v\u00e0 b\u1eaft \u0111\u1ea7u ph\u00e1t s\u00e1ng. M\u00e0u s\u1eafc c\u1ee7a \u00e1nh s\u00e1ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">When we burn something, like wood or coal, the heat causes the particles in the material to heat up and emit light. The color of the light depends on the temperature<\/span><\/i><\/p>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u1ede nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n, c\u00e1c ph\u00e2n t\u1eed ph\u00e1t ra \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n, v\u00e0 ch\u00fang ta nh\u00ecn th\u1ea5y m\u00e0u \u0111\u1ecf ho\u1eb7c cam.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u1ede nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng ng\u1eafn h\u01a1n, t\u1ea1o ra m\u00e0u v\u00e0ng ho\u1eb7c tr\u1eafng.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">At lower temperatures, the particles emit light with longer wavelengths, and we see red or orange.<\/span><\/i><\/li>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">At higher temperatures, the light\u2019s wavelength is shorter, producing yellow or white colors.<\/span><\/i><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Ngo\u00e0i ra, trong qu\u00e1 tr\u00ecnh ch\u00e1y, m\u1ed9t s\u1ed1 lo\u1ea1i h\u1ea1t nh\u1ecf ph\u00e1t ra \u00e1nh s\u00e1ng khi ch\u00fang n\u00f3ng l\u00ean. Nh\u1eefng h\u1ea1t n\u00e0y, c\u00f9ng v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a l\u1eeda, quy\u1ebft \u0111\u1ecbnh m\u00e0u s\u1eafc m\u00e0 ch\u00fang ta nh\u00ecn th\u1ea5y.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Additionally, during combustion, some tiny particles glow when they get hot. These particles, along with the fire&#8217;s temperature, determine the color we see.<\/span><\/i><\/p>\n<h2><b>Nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00e0u s\u1eafc c\u1ee7a l\u1eeda<\/b><\/h2>\n<p><i><span style=\"font-weight: 400\">Factors affecting the color of fire<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">Ngo\u00e0i nhi\u1ec7t \u0111\u1ed9, m\u00e0u s\u1eafc c\u1ee7a l\u1eeda c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Apart from temperature, several other factors influence the color of fire<\/span><\/i><\/p>\n<ol>\n<li style=\"font-weight: 400\"><b>Lo\u1ea1i nhi\u00ean li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ed1t ch\u00e1y:<\/b>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">N\u1ebfu \u0111\u1ed1t c\u1ee7i ho\u1eb7c gi\u1ea5y, l\u1eeda th\u01b0\u1eddng c\u00f3 m\u00e0u cam ho\u1eb7c \u0111\u1ecf.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">N\u1ebfu \u0111\u1ed1t kh\u00ed gas (nh\u01b0 b\u1ebfp gas), l\u1eeda c\u00f3 th\u1ec3 c\u00f3 m\u00e0u xanh.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><b>L\u01b0\u1ee3ng oxy:<\/b>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Khi c\u00f3 \u00edt oxy, l\u1eeda th\u01b0\u1eddng c\u00f3 m\u00e0u \u0111\u1ecf ho\u1eb7c cam v\u00ec s\u1ef1 ch\u00e1y kh\u00f4ng ho\u00e0n to\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Khi c\u00f3 nhi\u1ec1u oxy, s\u1ef1 ch\u00e1y ho\u00e0n to\u00e0n h\u01a1n, l\u1eeda c\u00f3 th\u1ec3 chuy\u1ec3n sang m\u00e0u v\u00e0ng ho\u1eb7c tr\u1eafng.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><b>H\u00f3a ch\u1ea5t trong nhi\u00ean li\u1ec7u:<\/b>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">M\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t khi b\u1ecb \u0111\u1ed1t ch\u00e1y c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a l\u1eeda. V\u00ed d\u1ee5, mu\u1ed1i \u0111\u1ed3ng t\u1ea1o ra l\u1eeda m\u00e0u xanh l\u1ee5c, c\u00f2n mu\u1ed1i natri l\u00e0m l\u1eeda c\u00f3 m\u00e0u v\u00e0ng.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><b><i>1.Type of fuel being burned:<\/i><\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Burning wood or paper usually produces orange or red flames.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Burning gas (like on a gas stove) can result in blue flames.<\/span><\/i><\/li>\n<\/ul>\n<p><b><i>2.Amount of oxygen:<\/i><\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">With less oxygen, fire often appears red or orange due to incomplete combustion.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">With more oxygen, the fire burns more completely, and the flame may turn yellow or white.<\/span><\/i><\/li>\n<\/ul>\n<p><b><i>3.Chemicals in the fuel:<\/i><\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Some chemicals, when burned, can alter the fire\u2019s color. For example, copper salts produce green flames, while sodium salts create bright yellow flames.<\/span><\/i><\/li>\n<\/ul>\n<h2><b>L\u1eeda kh\u00f4ng ch\u1ec9 \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m<\/b><\/h2>\n<p><i><span style=\"font-weight: 400\">Fire isn\u2019t just for warmth<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">L\u1eeda kh\u00f4ng ch\u1ec9 l\u00e0 ngu\u1ed3n s\u00e1ng v\u00e0 nhi\u1ec7t, m\u00e0 c\u00f2n r\u1ea5t quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng c\u1ee7a ch\u00fang ta. T\u1eeb xa x\u01b0a, con ng\u01b0\u1eddi \u0111\u00e3 bi\u1ebft d\u00f9ng l\u1eeda \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m, n\u1ea5u \u0103n, v\u00e0 th\u1eadm ch\u00ed l\u00e0 b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n kh\u1ecfi c\u00e1c lo\u00e0i th\u00fa d\u1eef. Ng\u00e0y nay, l\u1eeda v\u1eabn \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, ch\u1ebf t\u1ea1o kim lo\u1ea1i, v\u00e0 khoa h\u1ecdc.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Fire isn\u2019t only a source of light and heat but also plays a vital role in our lives. Since ancient times, humans have used fire for warmth, cooking, and even protecting themselves from wild animals. Today, fire remains essential in many fields, such as energy production, metalworking, and scientific research.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">L\u1eeda c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c nghi l\u1ec5 v\u00e0 l\u1ec5 h\u1ed9i, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1eafp n\u1ebfn v\u00e0o ng\u00e0y sinh nh\u1eadt ho\u1eb7c \u0111\u1ed1t ph\u00e1o hoa trong d\u1ecbp l\u1ec5 T\u1ebft. N\u00f3 mang l\u1ea1i \u00e1nh s\u00e1ng v\u00e0 ni\u1ec1m vui, nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng nh\u1eafc nh\u1edf ch\u00fang ta v\u1ec1 s\u1ef1 c\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Fire is also used in ceremonies and festivals, like lighting candles on birthdays or fireworks during holidays. It brings light and joy but also reminds us to be careful when using use.<\/span><\/p>\n<p><a href=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/flame-tests-1444680049874.webp\"><img decoding=\"async\" class=\"size-full wp-image-22719 aligncenter\" src=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/flame-tests-1444680049874.webp\" alt=\"\" width=\"640\" height=\"423\" srcset=\"https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/flame-tests-1444680049874.webp 640w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/flame-tests-1444680049874-300x198.webp 300w, https:\/\/i-clc.edu.vn\/wp-content\/uploads\/2025\/01\/flame-tests-1444680049874-18x12.webp 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<h2><b>L\u1eeda v\u00e0 an to\u00e0n<\/b><\/h2>\n<p><i><span style=\"font-weight: 400\">Fire and safety<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">M\u1eb7c d\u00f9 l\u1eeda r\u1ea5t h\u1eefu \u00edch, nh\u01b0ng n\u00f3 c\u0169ng r\u1ea5t nguy hi\u1ec3m n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch. C\u00e1c b\u00e9 c\u1ea7n nh\u1edb<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Although fire is highly useful, it can be very dangerous if not handled properly. Children should remember<\/span><\/i><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kh\u00f4ng bao gi\u1edd ch\u01a1i \u0111\u00f9a v\u1edbi l\u1eeda.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kh\u00f4ng \u0111\u1ec3 l\u1eeda g\u1ea7n nh\u1eefng v\u1eadt d\u1ec5 ch\u00e1y nh\u01b0 gi\u1ea5y, v\u1ea3i, hay g\u1ed7.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Khi s\u1eed d\u1ee5ng b\u1ebfp ho\u1eb7c l\u1eeda, lu\u00f4n ph\u1ea3i c\u00f3 ng\u01b0\u1eddi l\u1edbn b\u00ean c\u1ea1nh.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">N\u1ebfu th\u1ea5y l\u1eeda l\u1edbn ho\u1eb7c kh\u00f3i, c\u1ea7n b\u00e1o ngay cho ng\u01b0\u1eddi l\u1edbn v\u00e0 t\u00ecm n\u01a1i an to\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Never play with fire.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Keep fire away from flammable materials like paper, fabric, or wood.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">Always have an adult present when using a stove or fire.<\/span><\/i><\/li>\n<li style=\"font-weight: 400\"><i><span style=\"font-weight: 400\">If you see large flames or smoke, notify an adult immediately and find a safe place.<\/span><\/i><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">H\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng l\u1eeda an to\u00e0n s\u1ebd gi\u00fap ch\u00fang ta t\u1eadn d\u1ee5ng l\u1ee3i \u00edch c\u1ee7a n\u00f3 m\u00e0 kh\u00f4ng g\u1eb7p nguy hi\u1ec3m.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Learning how to use fire safely helps us benefit from it without putting ourselves in danger.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">V\u1eady l\u00e0 ch\u00fang ta \u0111\u00e3 bi\u1ebft t\u1ea1i sao l\u1eeda th\u01b0\u1eddng c\u00f3 m\u00e0u cam ho\u1eb7c \u0111\u1ecf. M\u00e0u s\u1eafc c\u1ee7a l\u1eeda ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9, lo\u1ea1i nhi\u00ean li\u1ec7u v\u00e0 l\u01b0\u1ee3ng oxy c\u00f3 trong qu\u00e1 tr\u00ecnh ch\u00e1y. Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e1c b\u00e9 th\u00eam y\u00eau th\u00edch khoa h\u1ecdc, m\u00e0 c\u00f2n gi\u00fap ch\u00fang ta bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng l\u1eeda m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">Now we know why fire often appears orange or red. The color of fire depends on its temperature, the type of fuel, and the amount of oxygen during combustion. Understanding these factors not only helps children develop an interest in science but also teaches us how to use fire safely and effectively.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00e0m c\u00e1c b\u00e9 th\u00edch th\u00fa v\u00e0 h\u1ecdc \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111i\u1ec1u b\u1ed5 \u00edch! N\u1ebfu c\u00f2n th\u1eafc m\u1eafc, \u0111\u1eebng ng\u1ea1i h\u1ecfi th\u00eam b\u1ed1 m\u1eb9 ho\u1eb7c th\u1ea7y c\u00f4 nh\u00e9!<\/span><\/p>\n<p><i><span style=\"font-weight: 400\">We hope this article sparks curiosity and helps children learn something valuable! If you have any more questions, feel free to ask your parents or teachers!<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">LANGUAGE CENTER INTERCONTINENTAL (I-CLC)<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">CN HCM: 46 Road 65, KDC Tan Quy Dong, P. Tan Phong, District 7<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">CN Nha Trang: Plot no. 12, Road B2, Urban Area, Vinh Diem Trung, Vinh Hiep, ho chi minh City, Nha Trang<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">\ud83c\udf10 <\/span><\/i><a href=\"https:\/\/i-clc.edu.vn\/en\/\"><i><span style=\"font-weight: 400\">https:\/\/i-clc.edu.vn\/<\/span><\/i><\/a><\/p>\n<p><i><span style=\"font-weight: 400\">\u260e\ufe0f 0917729932<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400\">#ICLC #tienganhtieuhoc #tienganhtreem<\/span><\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u1eeda l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean th\u00fa v\u1ecb v\u00e0 \u0111\u1ea7y b\u00ed \u1ea9n. Khi ch\u00fang ta nh\u00ecn v\u00e0o ng\u1ecdn l\u1eeda b\u1eadp b\u00f9ng, th\u01b0\u1eddng th\u1ea5y n\u00f3 c\u00f3 m\u00e0u cam, \u0111\u1ecf, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 v\u00e0ng. Nh\u01b0ng t\u1ea1i sao l\u1eeda l\u1ea1i c\u00f3 nh\u1eefng m\u00e0u s\u1eafc nh\u01b0 v\u1eady? C\u00e1c b\u00e9 h\u00e3y c\u00f9ng I-CLC t\u00ecm hi\u1ec3u c\u00e1c l\u00fd do &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-tai-sao-lua-co-mau-cam-hoac-do\/\"> <span class=\"screen-reader-text\">Khoa h\u1ecdc song ng\u1eef: T\u1ea1i sao l\u1eeda c\u00f3 m\u00e0u cam ho\u1eb7c \u0111\u1ecf?<\/span> Read More &raquo;<\/a><\/p>","protected":false},"author":427,"featured_media":22718,"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-22715","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\/22715","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=22715"}],"version-history":[{"count":4,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/22715\/revisions"}],"predecessor-version":[{"id":22723,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/22715\/revisions\/22723"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media\/22718"}],"wp:attachment":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=22715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=22715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=22715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}