Txij thaum yug los, menyuam yaus muaj khoom ua si. Lawv yuav tsis tsuas yog rau cov hnub caiv, tab sis kuj yog rau qhov kev xav ntawm kev cuam tshuam los yog ntawm lub siab nyiam ntawm tus me nyuam. Txhua xyoo lub ntiaj teb cov khoom ua si yuav ntau ntau dua, tab sis tib lub sij hawm ntau txaus ntshai. Muaj ntau ntau cov qauv ntawm qhov tseeb tias lawv raug mob lub cev thiab lub hlwb kev noj qab haus huv ntawm cov me nyuam, es tsis txhob coj lawv kev xyiv fab.
Txhawm rau ceeb toom rau cov neeg laus los ntawm qhov yuav ua rau cov khoom ua si rau cov menyuam yaus, cov tshooj cai yuav xav txog qhov feem ntau ntawm lawv.
Cov khoom ua si rau cov me nyuam yau tshaj 3 xyoos
Suav rubber cov khoom ua si ntawm cov xim lom
Heev nrov thiab feem ntau yuav pheej yig roj hmab thiab cov tsiaj me, uas ua rau hauv Suav teb, tuaj yeem ua rau tus me nyuam muaj qhov tsis haum thiab ua kom raug lom, vim tias nws muaj cov concentrated phenol.
Cov khoom ua si mos
Ntau zaus rau cov khoom ua si muag khoom siv siv cov khoom tsis zoo uas ua tau rau ua rau me nyuam tuag taus. Tab sis txawm tias ib qho khoom ua si ntawm cov khoom ua tau zoo los muaj kev nyab xeeb rau cov me nyuam txoj kev noj qab haus huv, raws li nws yog ib qho chaw zoo heev rau kev sib sau plua plav, mites thiab microbes. Tej khoom ua si yuav tsum tau ntxuav thiab tua kab mob ntau zaus.
Cov khoom ua si nrog cov ntsiab lus me
Kev ua rau me nyuam yaus muaj khoom ua si, los ntawm qhov uas koj tuaj yeem rhuav tshem tawm ib qho me me (hlaws, hneev, tes, ceg) lossis disassemble rau hauv me me (Lego designers, Kinder surprises).
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Xaiv qhov chaw sib tw lossis khoom ua si rau me nyuam me, nws yog qhov yuav tsum tau xyuas qhov zoo ntawm cov khoom siv uas siv, nrog rau lub zog ntawm cov khoom thiab cov xim pleev xim, vim cov menyuam hauv lub hnub nyoog no tag nrho cov khoom ua si raug rub rau hauv lawv lub qhov ncauj.
Cov khoom ua si rau cov me nyuam tom qab 3 xyoos
Neocub
Cov khoom ua si, tsim nyob rau thaum xaus ntawm lub xyoo pua 20, tsim rau kev loj hlob ntawm logic thiab kev xav, muaj pov thawj ua rau txaus ntshai rau cov me nyuam. Vim hais tias ntawm me me ntawm cov khoom sib nqus me me cov me nyuam nqos lawv, uas ua rau kev raug mob loj heev rau hauv plab hnyuv. Thiab txawm tias muab lawv rho tawm los ntawm kev ua haujlwm mas nyaum heev thiab muaj teeb meem.
Barbie menyuam roj hmab
Tus menyuam roj hmab no yog qhov kev tsim txom rau txoj kev loj hlob ntawm kev xav ntawm cov me ntxhais. Nws tsis ua kom lawv muaj lub siab xav ua kom tiav hauv lawv niam cov ntxhais, pab txhawb lawv txoj kev xav. Ua si nrog Barbie menyuam roj hmab ua rau yus tus kheej (tshwj xeeb tshaj yog tsos) thiab muaj lub siab xav ua ib tus neeg laus hauv lub neej (tshuaj pleev ua, ua rau muaj khaub ncaws, nyiam cov txiv neej).
Darts Darts
Ua si lawv tsis muaj tus saib xyuas menyuam yaus ua rau ntau tus neeg raug mob ntawm cov menyuam yaus, txawm tias tau tuag lawm.
Khoom siv "Young chemists and physicists"
Kev nyab xeeb nyob rau hauv cov qauv reagents nyob rau hauv xws li cov khoom siv, nrog kev sib tov los yog sib ntxiv ntawm lwm tus neeg tuaj yeem, tuaj yeem ua rau kub hnyiab los yog kev tawg taus.
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Pistols thiab lwm yam riam phom
Txhua yam riam phom teev cov me nyuam ua phem, thiab tshwj xeeb tshaj yog tias cov khoom ua si uas koj yuav yuav raug mob tiag tiag: rab yaj phom nrog cov mos txwv, qauj nplaum, riam, thiab lwm yam.
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Cov khoom ua si-txoj kev tso dag
Cov lus tso dag uas ua rau raug mob rau lub cev (kev tso tawm tam sim no, dhia nrig los yog kab), tuaj yeem ua rau lub hlwb raug mob rau koj thiab lwm tus menyuam. Cov khoom ua si yuav tsum ua ntej coj kev zoo siab, thiab tsis ua rau kev ntshai.
Lub hom phiaj tseem ceeb ntawm kev tsim khoom ua si yog kev paub nrog lawv kev pab nrog lub ntiaj teb puag ncig, kev loj hlob thiab kev kawm ntawm cov menyuam. Yog li ntawd, cov neeg laus yuav tsum tau yuav cov khoom ua si, tsom ntsoov rau qhov no, tsis yog kev zam los yog cov cai ntawm cov hluas. Koj yuav tsum xaiv cov khoom lag luam uas paub zoo uas siv cov ntaub ntawv zoo rau lawv cov khoom thiab tsis txhob hnov qab txog cov khoom ua si ntawm tus menyuam lub hlwb .