{"id":14349,"date":"2021-03-29T07:31:42","date_gmt":"2021-03-29T00:31:42","guid":{"rendered":"https:\/\/kynaforkids.vn\/blog\/?p=14349"},"modified":"2023-07-29T08:28:26","modified_gmt":"2023-07-29T01:28:26","slug":"cau-hoi-do-vui-vat-ly-thcs","status":"publish","type":"post","link":"https:\/\/kynaforkids.vn\/blog\/cau-hoi-do-vui-vat-ly-thcs.html","title":{"rendered":"[TOP 25+] C\u00e2u h\u1ecfi \u0111\u1ed1 vui v\u1eadt l\u00fd THCS \u00edt ai bi\u1ebft"},"content":{"rendered":"

B\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 gi\u00fap tr\u1ebb nh\u00e0 m\u00ecnh h\u1ecdc t\u1ed1t m\u00f4n v\u1eadt l\u00fd thcs b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00e2u h\u1ecfi \u0111\u1ed1 vui v\u1eadt l\u00fd thcs m\u00e0 Kynaforkids b\u1eadt m\u00ed d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n

Top 25+ c\u00e2u h\u1ecfi \u0111\u1ed1 vui v\u1eadt l\u00fd thcs<\/h2>\n

\"c\u00e2u<\/p>\n

C\u00e2u 1<\/strong>: Ng\u01b0\u1eddi ta d\u00f9ng d\u1ee5ng c\u1ee5 g\u00ec \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9?<\/p>\n

-> \u0110\u00e1p \u00e1n: Nhi\u1ec7t k\u1ebf<\/em><\/p>\n

C\u00e2u 2<\/strong>: T\u1ea1i sao th\u1ea3 tr\u00e1i d\u01b0a h\u1ea5u v\u00e0o n\u01b0\u1edbc th\u00ec tr\u00e1i d\u01b0a h\u1ea5u l\u1ea1i n\u1ed5i?<\/p>\n

->\u00a0 \u0110\u00e1p \u00e1n: T\u1ea1i v\u00ec tr\u1ecdng l\u01b0\u1ee3ng k\u00e9o tr\u00e1i d\u01b0a d\u1ea5u xu\u1ed1ng nh\u1ecf h\u01a1n \u0111\u1ed9 l\u1edbn l\u1ef1c \u0111\u1ea9y \u00c1c-si-m\u00e9t \u0111\u1ea9y\u00a0 tr\u00e1i d\u01b0a h\u1ea5u \u0111\u00f3 l\u00ean.<\/em><\/p>\n

C\u00e2u 3<\/strong>: Ban \u0111\u00eam nh\u00ecn l\u00ean b\u1ea7u tr\u1eddi ta th\u1ea5t v\u00f4 s\u1ed1 c\u00e1c ng\u00f4i sao, ban ng\u00e0y th\u00ec kh\u00f4ng th\u1ea5y, Ph\u1ea3i ch\u0103ng ban ng\u00e0y b\u1ea7u tr\u1eddi kh\u00f4ng c\u00f3 c\u00e1c ng\u00f4i sao?<\/p>\n

->\u00a0 \u0110\u00e1p \u00e1n: Ban ng\u00e0y tr\u00ean b\u1ea7u tr\u1eddi v\u1eabn c\u00f3 v\u00f4 s\u1ed1 c\u00e1c ng\u00f4i sao nh\u01b0ng \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi \u0111\u00e3 l\u1ea5n \u00e1t \u00e1nh s\u00e1ng c\u1ee7a c\u00e1c ng\u00f4i sao ph\u00e1t ra n\u00ean ta kh\u00f4ng th\u1ea5y c\u00e1c ng\u00f4i sao \u0111\u00f3.<\/em><\/p>\n

C\u00e2u 4<\/strong>: Trong c\u00e1c v\u1ee5 h\u1ecfa ho\u1ea1n ch\u00e1y x\u0103ng d\u1ea7u, t\u1ea1i sao c\u00e1c chi\u1ebfn s\u0129 ch\u1eefa ch\u00e1y kh\u00f4ng s\u1eed d\u1ee5ng n\u01b0\u1edbc \u0111\u1ec3 d\u1eadp l\u1eeda?<\/p>\n

-> \u0110\u00e1p \u00e1n: V\u00ec x\u0103ng, d\u1ea7u nh\u1eb9 h\u01a1n n\u01b0\u1edbc n\u00ean v\u1eeba d\u1ed9i n\u01b0\u1edbc v\u00e0o l\u00e0 d\u1ea7u n\u1ed5i l\u00ean m\u1eb7t n\u01b0\u1edbc v\u00e0 ti\u1ebfp t\u1ee5c ch\u00e1y, kh\u00f4ng nh\u1eefng kh\u00f4ng d\u1eadp \u0111\u01b0\u1ee3c \u0111\u00e1m ch\u00e1y m\u00e0 di\u1ec7n t\u00edch ch\u00e1y s\u1ebd m\u1edf r\u1ed9ng ra nhanh ch\u00f3ng, c\u00e0ng th\u00eam nguy hi\u1ec3m.<\/em><\/p>\n

C\u00e2u 5<\/strong>: V\u00ec sao b\u0103ng l\u1ea1i n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc?<\/p>\n

-> \u0110\u00e1p \u00e1n: Khi n\u01b0\u1edbc ng\u01b0ng k\u1ebft th\u00e0nh b\u0103ng, th\u1ec3 t\u00edch c\u1ee7a n\u00f3 t\u0103ng l\u00ean (kho\u1ea3ng 10%). V\u00ec v\u1eady, b\u0103ng c\u00f3 c\u00f9ng m\u1ed9t th\u1ec3 t\u00edch s\u1ebd nh\u1eb9 h\u01a1n so v\u1edbi n\u01b0\u1edbc. v\u00ec v\u1eady b\u0103ng c\u00f3 th\u1ec3 n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc.<\/em><\/p>\n

C\u00e2u 6<\/strong>: V\u00ec sao gi\u1ecdt n\u01b0\u1edbc r\u01a1i v\u00e0o ch\u1ea3o m\u1ee1 \u0111ang s\u00f4i l\u1ea1i n\u1ed5 tung t\u00f3e?<\/p>\n

-> \u0110\u00e1p \u00e1n: N\u01b0\u1edbc s\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 1000C, khi r\u00e1n th\u1ee9c \u0103n, m\u1ee1 s\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng t\u1eeb 1600C \u0111\u1ebfn 2000C. Khi c\u00f3 v\u00e0i gi\u1ecdt n\u01b0\u1edbc v\u00e0o ch\u1ea3o m\u1ee1, l\u1eadp t\u1ee9c n\u01b0\u1edbc bi\u1ebfn th\u00e0nh th\u1ec3 kh\u00ed. Do th\u1ec3 t\u00edch n\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i r\u1ea5t nhanh n\u00ean l\u00e0m cho d\u1ea7u b\u1eafn tung t\u00f3e k\u00e8m theo ti\u1ebfng n\u1ed5 x\u00e8o x\u00e8o.<\/em><\/p>\n

C\u00e2u 7<\/strong>: V\u00ec sao c\u1ed1c th\u1ee7y tinh d\u1ec5 b\u1ecb n\u1ee9t v\u1ee1 khi ta \u0111\u1ed5 n\u01b0\u1edbc s\u00f4i v\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: Khi \u0111\u1ed5 n\u01b0\u1edbc s\u00f4i v\u00e0o c\u1ed1c, m\u1eb7t trong c\u1ee7a c\u1ed1c b\u1ecb n\u00f3ng \u0111\u1ed9t ng\u1ed9t n\u00ean n\u1edf ra r\u1ea5t\u00a0 nhanh, do th\u1ee7y tinh d\u1eabn nhi\u1ec7t k\u00e9m n\u00ean l\u00fac \u0111\u00f3 m\u1eb7t ngo\u00e0i c\u1ed1c nhi\u1ec7t \u0111\u1ed9 v\u1eabn ch\u01b0a t\u0103ng l\u00ean nhi\u1ec1u, s\u1ef1 n\u1edf \u1edf m\u1eb7t ngo\u00e0i kh\u00f4ng x\u1ea3y ra c\u00f9ng l\u00fac v\u1edbi m\u1eb7t trong n\u00ean g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t v\u1ee1 c\u1ed1c.<\/em><\/p>\n

C\u00e2u 8<\/strong>: V\u00ec sao \u0111\u1ed3ng h\u1ed3 \u0111\u1eb7t b\u00ean c\u1ea1nh nam ch\u00e2m th\u00ec ch\u1ea1y kh\u00f4ng ch\u00ednh x\u00e1c n\u1eefa?<\/p>\n

-> \u0110\u00e1p \u00e1n: \u0110\u1ed3ng h\u1ed3 do nhi\u1ec1u th\u1ee9 kim lo\u1ea1i ch\u1ebf th\u00e0nh, trong s\u1ed1 \u0111\u00f3 c\u00f3 kim lo\u1ea1i d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng c\u1ee7a nam ch\u00e2m, b\u1ecb t\u1eeb h\u00f3a n\u00ean \u0111\u1ed3ng h\u1ed3 ch\u1ea1y kh\u00f4ng c\u00f2n \u0111\u00fang n\u1eefa.<\/em><\/p>\n

C\u00e2u 9<\/strong>: Khi \u00e1nh s\u00e1ng \u0111i v\u00e0o m\u00f4i tr\u01b0\u1eddng kh\u00e1c v\u00e0 b\u1ecb l\u1ec7ch h\u01b0\u1edbng g\u1ecdi l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Kh\u00fac x\u1ea1<\/em><\/p>\n

C\u00e2u 10<\/strong>: K\u00ednh l\u00fap l\u00e0 lo\u1ea1i th\u1ea5u k\u00ednh g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Th\u1ea5u k\u00ednh l\u1ed3i<\/em><\/p>\n

C\u00e2u 11<\/strong>: Kim lo\u1ea1i gi\u00e3n n\u1edf khi n\u00f3ng l\u00ean v\u00e0 th\u1ebf n\u00e0o khi ngu\u1ed9i \u0111i?<\/p>\n

-> \u0110\u00e1p \u00e1n: Co l\u1ea1i<\/em><\/p>\n

C\u00e2u 12<\/strong>: H\u1ecd c\u1ee7a nh\u00e0 b\u00e1c h\u1ecdc ph\u00e1t minh ra 3 \u0111\u1ecbnh lu\u1eadt Newton l\u00e0 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Issac<\/em><\/p>\n

C\u00e2u 13<\/strong>: T\u00ean c\u1ee7a k\u00ednh thi\u00ean v\u0103n v\u0169 tr\u1ee5 Hubble \u0111\u01b0\u1ee3c \u0111\u1eb7t theo ai?<\/p>\n

-> \u0110\u00e1p \u00e1n: Edwin Hubble<\/em><\/p>\n

C\u00e2u 14:<\/strong> D\u00e2y kim lo\u1ea1i trong b\u00f3ng \u0111\u00e8n \u0111i\u1ec7n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: D\u00e2y t\u00f3c<\/em><\/p>\n

C\u00e2u 15<\/strong>: Nh\u00e0 v\u1eadt l\u00fd thi\u00ean t\u00e0i Albert Einstein \u0111\u01b0\u1ee3c sinh ra \u1edf n\u01b0\u1edbc n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: N\u01b0\u1edbc \u0110\u1ee9c<\/em><\/p>\n

C\u00e2u 16<\/strong>: Hi\u1ec7n t\u01b0\u1ee3ng g\u00ec x\u1ea3y ra khi m\u1eb7t tr\u0103ng \u1edf gi\u1eefa M\u1eb7t Tr\u1eddi v\u00e0 Tr\u00e1i \u0110\u1ea5t?<\/p>\n

-> \u0110\u00e1p \u00e1n: Nh\u1eadt th\u1ef1c<\/em><\/p>\n

C\u00e2u 17<\/strong>: Tr\u00e1i \u0110\u1ea5t n\u1eb1m trong thi\u00ean h\u00e0 n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: Ng\u00e2n H\u00e0<\/em><\/p>\n

C\u00e2u 18<\/strong>: N\u1ebfu b\u1ea1n n\u00e9m m\u1ed9t qu\u1ea3 b\u00f3ng l\u00ean kh\u00f4ng trung, n\u00f3 s\u1ebd theo \u0111\u01b0\u1eddng cong n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: Parabol<\/em><\/p>\n

C\u00e2u 19<\/strong>: \u1ea2nh c\u1ee7a m\u1ed9t v\u1eadt khi soi qua g\u01b0\u01a1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: \u1ea2nh \u1ea3o<\/em><\/p>\n

C\u00e2u 20<\/strong>: Lo\u1ea1i \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c t\u1ea1o ra n\u00e0o khi c\u1ecd x\u00e1t hai qu\u1ea3 b\u00f3ng bay, r\u1ed3i ch\u00fang h\u00fat v\u00e0o nhau?<\/p>\n

-> \u0110\u00e1p \u00e1n: T\u0129nh \u0111i\u1ec7n<\/em><\/p>\n

C\u00e2u 21<\/strong>: Ch\u1ea5t l\u1ecfng th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m nhi\u00ean li\u1ec7u cho c\u00e1c lo\u1ea1i xe c\u1ed9 l\u00e0 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: X\u0103ng<\/em><\/p>\n

C\u00e2u 22<\/strong>: Thuy\u1ec1n bu\u1ed3m s\u1eed d\u1ee5ng lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: Gi\u00f3<\/em><\/p>\n

C\u00e2u 23<\/strong>: \u0110\u1ec3 \u0111o s\u1ee9c gi\u00f3 v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t c\u01a1n b\u00e3o, ng\u01b0\u1eddi ta d\u00f9ng thang \u0111\u1ed9 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Thang \u0111\u1ed9 Fujita<\/em><\/p>\n

C\u00e2u 24<\/strong>: T\u1ed1c \u0111\u1ed9 c\u1ee7a \u00e1nh s\u00e1ng truy\u1ec1n \u0111i l\u00e0 bao nhi\u00eau trong m\u1ed9t gi\u00e2y?<\/p>\n

-> \u0110\u00e1p \u00e1n: 299.792.458 m\/s<\/em><\/p>\n

C\u00e2u 25<\/strong>: Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua b\u1ecf qua m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ea1ch \u0111i\u1ec7n s\u1ebd g\u00e2y n\u00ean hi\u1ec7n t\u01b0\u1ee3ng g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Hi\u1ec7n t\u01b0\u1ee3ng ng\u1eafn m\u1ea1ch<\/em><\/p>\n

C\u00e2u 26<\/strong>: D\u00f2ng \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Ampe<\/em><\/p>\n

C\u00e2u 27<\/strong>: \u0110\u00fang hay sai? S\u1eaft b\u1ecb h\u00fat b\u1edfi nam ch\u00e2m?<\/p>\n

-> \u0110\u00e1p \u00e1n: \u0110\u00fang<\/em><\/p>\n

C\u00e2u 28<\/strong>: Tia h\u1ed3ng ngo\u1ea1i c\u00f3 b\u01b0\u1edbc s\u00f3ng qu\u00e1 ng\u1eafn hay qu\u00e1 d\u00e0i so v\u1edbi kh\u1ea3 n\u0103ng nh\u00ecn \u0111\u01b0\u1ee3c c\u1ee7a m\u1eaft ng\u01b0\u1eddi?<\/p>\n

-> \u0110\u00e1p \u00e1n: Qu\u00e1 d\u00e0i<\/em><\/p>\n

C\u00e2u 29<\/strong>: L\u00fd thuy\u1ebft ph\u1ed5 bi\u1ebfn nh\u1ea5t di\u1ec5n t\u1ea3 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a v\u0169 tr\u1ee5 c\u00f3 t\u00ean l\u00e0 g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: Big Bang<\/em><\/p>\n

C\u00e2u 30<\/strong>: \u0110i\u1ec7n tr\u1edf \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0111\u01a1n v\u1ecb g\u00ec?<\/p>\n

-> \u0110\u00e1p \u00e1n: \u00d4m (\u03a9)<\/em><\/p>\n

C\u00e2u 31<\/strong>: C\u00e2u n\u00f3i n\u1ed5i ti\u1ebfng \u201cd\u00f9 sao Tr\u00e1i \u0110\u1ea5t v\u1eabn quay\u201d khi \u0111\u1ee9ng tr\u01b0\u1edbc gi\u00e0n h\u1ecfa thi\u00eau c\u1ee7a t\u00f2a \u00e1n t\u00f4n gi\u00e1o l\u00e0 c\u1ee7a nh\u00e0 b\u00e1c h\u1ecdc n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: Galileo Galilei<\/em><\/p>\n

C\u00e2u 32<\/strong>: K\u1ebft th\u00fac n\u0103m h\u1ecdc l\u1edbp 6, B\u00ecnh \u0111\u1ea1t danh hi\u1ec7u h\u1ecdc sinh gi\u1ecfi n\u00ean \u0111\u01b0\u1ee3c ba m\u1eb9 \u0111\u01b0a v\u1ec1 th\u0103m qu\u00ea n\u1ed9i, M\u1ed9t h\u00f4m v\u00e0o n\u00fai B\u00ecnh nh\u1eb7t \u0111\u01b0\u1ee3c m\u1ed9t h\u00f2n \u0111\u00e1 r\u1ea5t \u0111\u1eb9p v\u00e0 d\u1ef1 \u0111\u1ecbnh khi v\u1ec1 tr\u01b0\u1eddng s\u1ebd ti\u1ebfn h\u00e0nh \u0111o th\u1ec3 t\u00edch c\u1ee7a h\u00f2n \u0111\u00e1. Theo em th\u00ec B\u00ecnh s\u1ebd \u0111o th\u1ec3 t\u00edch h\u00f2n \u0111\u00e1 b\u1eb1ng c\u00e1ch n\u00e0o?<\/p>\n

-> \u0110\u00e1p \u00e1n: \u0110\u1ed5 n\u01b0\u1edbc v\u1eeba \u0111\u1ea7y v\u00e0o b\u00ecnh tr\u00e0n, cho h\u00f2n \u0111\u00e1 v\u00e0o b\u00ecnh tr\u00e0n, ph\u1ea7n n\u01b0\u1edbc b\u1ecb chi\u1ebfm ch\u1ed7 s\u1ebd ch\u1ea3y sang b\u00ecnh chia \u0111\u1ed9. Th\u1ec3 t\u00edch n\u01b0\u1edbc trong b\u00ecnh chia \u0111\u1ed9 b\u1eb1ng th\u1ec3 t\u00edch h\u00f2n \u0111\u00e1.<\/em><\/p>\n

C\u00e2u 33<\/strong>: Khi xem ch\u01b0\u01a1ng tr\u00ecnh truy\u1ec1n h\u00ecnh n\u00f3i \u0111\u1ebfn vi\u1ec7c t\u0103ng c\u01b0\u1eddng ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a c\u00e1c \u0111\u1eadp th\u1ee7y \u0111i\u1ec7n trong m\u01b0a m\u01b0a l\u0169, b\u00e9 An \u0111ang h\u1ecdc l\u1edbp 3 h\u1ecfi \u201cAnh Hai \u01a1i th\u1ee7y \u0111i\u1ec7n l\u00e0 g\u00ec?\u201d B\u1ea1n h\u00e3y gi\u00fap anh Hai c\u1ee7a b\u00e9 An tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y.<\/p>\n

-> \u0110\u00e1p \u00e1n: M\u00e1y ph\u00e1t \u0111i\u1ec7n l\u1ee3i d\u1ee5ng d\u00f2ng n\u01b0\u1edbc ch\u1ea3y \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n g\u1ecdi l\u00e0 th\u1ee7y \u0111i\u1ec7n.<\/em><\/p>\n

\n

Tham kh\u1ea3o th\u00eam c\u00e1c c\u00e2u h\u1ecfi \u0111\u1ed1 vui:<\/p>\n