KUNDIN SCIENCE IN HAUSA 💡📚

  SCIENCE IN HAUSA 📚💡: TSATSA (RUSTING) KASHI NA MUSAMMAN Abubuwa da dama sukan lalace tsawon lokaci bayan kirkirarsu; walau su rube, ko su dagargaje, ko su kece/yage ko kuma subi iska. Karafa sukan lalace ta hanyar yin wani abu mai suna tsatsa. A wannan karon zamu tattauna ne akan yanda karafa sukan lalace da dalilan yin hakan. Tsatsa (Turanci: Rusting) wani irin nau'ine na rubewa da yake shafar wadansu daga cikin karafa. Abinda yasa nace wasu shine; duk da tarin karafa da muka sani, ba kowanne bane yakeyin tsatsa. Wannan ya ta'allaka ne da dabi'un kwayoyin zarrar cikin kowanne karfe. (Duba kashi akan "Kwayar Zarra" domin karin bayani).  Tsatsa tafi shafar bakin karfe wato Iron (Fe) saboda karfin sauyawarsa yayin daya hadu da wasu burbushin sinadarai. Wannan nau'in lalacewa na bakin karfe (Fe) yana faruwa ne yayin da kwayoyin zarrarsa suka hadu dana iskar oxygen (O2) da kuma ruwa (H2O): ana yiwa wannan hadaka lakabi da "redox reaction" wacce a Hau

SCIENCE IN HAUSA: BABI NA BIYU KASHI NA UKU (EPISODE 3) A baya mun samu bayanai akan Damarar Asteroid wacce ta yiwa falakinmu kawanya ta ciki daga gaban Duniyar Neptune. Mun tattauna gameda ire-iren abubuwan da suke cikin kawanyar da sauransu. A yau ma kamar wancan lokacin, zamuyi ninkaya ne domin cimma wata damarar wacce itace ta biyu a cikin falakinmu na Milky Way. Damarar Kuiper (Turanci: Kuiper Belt) wani yankine a sararin samaniya wanda shine ake yiwa hasashen karshen falakinmu ta fuskar abubuwan da ido zaya iya gani. Damarar Kuiper tana somawa ne daga bayan duniyar Neptune ta kewaye dukkan falakin kamar zobe: ana wannan yanki lakabi da "Outer Planets", wato duniyoyin waje. Nisan Damarar Kuiper zuwa rana daidai yake da 50AU (Astronomical Unit): wato wani nau'in ma'auni na ilmin taurari wanda yake daidai da tafiyar mil 93,498,125 sau 50; AU guda shine tazarar duniyar da muke ciki zuwa rana. Hakan shine nisan daya raba Damarar Kuiper da Ranar Falakinmu.  Damarar As