Video: Lub xeev twg tuaj yeem ntws tau?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Khib nyiab kuj muaj ib tug kev kub ceev, lub ntsiab lus tias tus hais yog tightly tau ntim ua ke. Hauv ib ua kua , cov khoom yog ntau xoob packed tshaj nyob rau hauv ib tug khoom thiab muaj peev xwm ntws ib ncig, muab lub ua kua ib lub cev tsis kawg.
Tom qab ntawd, ib tug kuj yuav nug, lub xeev ntawm cov teeb meem yuav ntws tau yooj yim?
kua
Ib yam li ntawd, lub xeev dab tsi tsis ntws? Khoom nyob hauv ib qho chaw thiab tuaj yeem tuav tau. Khoom khaws lawv cov duab. Lawv tsis ntws li kua . Khoom ib txwm coj li qub qhov chaw.
Dhau li ntawm no, ob lub xeev twg tuaj yeem ntws tau?
Cov kua dej ua tau txav ( ntws ) zoo dua li cov khib nyiab vim tias lawv cov molecules tsis muaj kev sib raug zoo rau ib leeg, yog li cov molecules swb rau saum ib leeg. Molecules hauv peb xeev ntawm teeb meem : khoom, kua, thiab roj.
Dab tsi theem ntawm cov teeb meem tuaj yeem ntws tau?
Raws li qhov ceev los yog qeeb npaum li cas cov khoom me me no txav mus los, qhov teeb meem tuaj yeem muab faib ua peb pawg lossis theem: khov kho , ua kua , thiab gas . Hauv ib khov kho , atoms tau ntim nruj ua ke thiab txav qeeb heev. Qhov tseeb, lawv tsis ntws tag nrho: lawv tsuas vibrate rov qab thiab tawm.
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Koj tuaj yeem nrhiav lub xeev plaub ntawm qhov twg?
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