Thaum lub sijhawm hloov pauv, qhov kub ntawm cov khoom tseem nyob tas li Peb nquag saib cov theem hloov ntawm cov khoom mus rau cov kua, xws li cov dej khov yaj. … Qhov no yog vim hais tias cov cua sov uas muab rau cov dej khov molecules yog siv los ua kom lawv lub zog kinetic, uas yog reflected nyob rau hauv kub nce.
Dab tsi tshwm sim rau qhov kub thiab txias thaum lub sijhawm hloov pauv?
Tab sis tsis muaj qhov hloov pauv kub kom txog thaum hloov theem tiav. i.e. thaum lub sij hawm hloov pauv, lub zog muab tsuas yog siv los cais cov molecules; tsis muaj ib feem ntawm nws yog siv los ua kom lub zog kinetic ntawm cov molecules. Yog li nws qhov kub thiab txias yuav tsis nce, txij li lub zog kinetic ntawm molecules tseem zoo li qub.
Yuav ua li cas rau qhov kub ntawm cov khoom thaum lub sij hawm hloov cov lus nug?
Yuav ua li cas rau qhov kub ntawm cov khoom thaum lub sij hawm hloov pauv? Qhov kub ntawm ib yam khoom tsis hloov thaum lub sij hawm hloov theem. Ib taw tes thaum cov kua tig mus rau roj.
Qhov kev hloov pauv twg yuav ua rau qhov kub ntawm cov khoom nce ntxiv?
Thaum muab tshuaj zog nyob rau hauv daim ntawv ntawm tshav kub, nws kub nce. Qhov ntsuas kub nce yog txiav txim siab los ntawm lub peev xwm kub ntawm cov khoom. Qhov loj dua lub peev xwm kub ntawm cov khoom, lub zog ntau dua yuav tsum tau nce nws qhov kub.
6 qhov kev hloov pauv theem twg yog dab tsi?
Sublimation, deposition, condensation, evaporation, khov, thiab melting sawv cev rau theem hloov ntawm teeb meem.
