Cov txheej txheem:

Yuav ua li cas ua kom ntsev snowflakes nrog crystals?
Yuav ua li cas ua kom ntsev snowflakes nrog crystals?

Video: Yuav ua li cas ua kom ntsev snowflakes nrog crystals?

Video: Yuav ua li cas ua kom ntsev snowflakes nrog crystals?
Video: yuav coj li cas kom luag nyiam 2024, Hlis ntuj nqeg
Anonim

Cov lus qhia:

  1. Boil dej thiab ncuav rau hauv lub khob uas tuaj yeem tiv taus dej kub.
  2. Ntxiv ob peb teaspoons ntawm ntsev thiab do nrog cov xim txhuam kom txog thaum nws dissloves.
  3. Txuas ntxiv mus ntsev ib teaspoon ntawm ib lub sij hawm kom txog thaum nws tsis yaj lawm thiab muaj ntsev crystals nyob rau hauv qab ntawm lub khob txawm tias tom qab stirring ib pliag.

Tsis tas li ntawd, koj hnav siv lead ua dab tsi?

Hnav Crystal Bracelet ntawm Txoj Cai Sab (muab tes ) Thaum koj xav xa nws lub hwj chim tawm sab nraud thiab muab nws cov khoom kho kom zoo rau lwm tus, hnav koj Crystal Bracelet ntawm sab xis sab.

Qhov thib ob, dab tsi yog cov khoom siv zoo tshaj plaws los loj hlob muaju? Loj hlob crystals tsis yog qhov nyuaj, thiab nws ua rau qhov kev tshawb fawb zoo tshaj plaws. Koj ua tau loj hlob muaju ntawm ib daim ntawv ntawm cov ntawv siv dub rau hnub ci. Koj tseem tuaj yeem ua rau lawv ntawm daim ntawv clip uas khi rau ib daim xov paj thiab muab tshem tawm hauv cov kua dej supersaturated.

Ntawm no, nws yuav siv sij hawm ntev npaum li cas rau cov muaju ntsev kom loj tuaj?

Epsom ntsev lub alum siv lead ua tuaj yeem pib loj hlob nyob rau hauv ob peb teev, tab sis tej zaum coj ob peb hnub. Rooj ntsev feem ntau siv a ib hnub lossis ob zaug pib, thiab qee zaum mus txog ib lub lis piam. Ib zaug koj pom me ntsis siv lead ua ntawm txoj hlua, cov feem ntau yuav khaws cia loj hlob loj thiab loj dua ob peb lub lis piam tom ntej no.

Koj puas tuaj yeem ua crystals nrog lub rooj ntsev?

Rooj ntsev siv ob peb hnub kom loj hlob. Iodized ntsev ” yuav tsis ua haujlwm zoo li, tab sis yuav tseem form siv lead ua . Epsom ntsev hlob mus rau hauv me me, zoo li koob siv lead ua thiab sai dua rooj ntsev . Ncuav rau hauv li ¼-½ khob ntawm ntsev thiab do kom txog thaum dej ntshiab.

Pom zoo: