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Isbeddelka heerkulka

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Waxaan sharxi karaa waxa ku dhaca walxaha (particles) ka samaysan adke ama dareere marka heerkulku isbeddelo.

Hordhac

Soo dhawoow casharkayaga cusub. Haddii aad hore u taqaanayd in arrimuhu ka kooban yihiin jajabyo (particles) iyo in heerkulku yahay cabbirka kulaylka, waxaad diyaar u tahay inaad barato sida jajabyada u dhaqmaan marka heerkulku kaco ama hoos u dhaco. Casharkani wuxuu eegayaa sida jajabyada u kala fogaadaan ama isu soo dhawaadaan adkaha iyo dareeraha.

Muuji qoraalka
If left for long enough, all objects in a room will reach the same temperature as the room. Heating a solid makes its particles vibrate more quickly. Heating a liquid makes its particles move around more quickly. Heating a solid or liquid causes the separation of its particles to increase. Heating a solid or liquid causes it to expand.

Warqadda shaqada

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Imtixaannada

  1. 1. Waa maxay magaca heerkulka (temperature) ee biyuhu ku beddelaan xaaladdooda adag (solid) una beddelaan xaaladda dareere (liquid)?

    • barta karkarinta (boiling point)
    • barta uumiga (evaporation point)
    • Jawaabta saxda ah:barta dhalaalidda (melting point)
    • barta leexashada (turning point)
  2. 2. Heer kulka (temperature) intee ayay biyo saafi ah (pure water) ku qaboobaan (freeze), marka la barbar dhigo heerka kulka ay ku dhalaalaan (melt)?

    • Waxay ku qaboobaan heer kul ka hooseeya kan ay ku dhalaalaan.
    • Jawaabta saxda ah:Waxay ku qaboobaan isla heerka kulka ay ku dhalaalaan.
    • Waxay ku qaboobaan heer kul ka sareeya kan ay ku dhalaalaan.
  3. 3. Mid ka mid ah kuwan soo socda ayaa qeexaya walxaha (particles) ku jira birta (iron) markay tahay xaalad adag (solid state)?

    • hakad ah (stationary)
    • Jawaabta saxda ah:gariiraya (vibrating)
    • ku go'an meel (fixed in place)
    • aan ku go'an meel (not fixed in place)
  1. 1. Marka heerkulka birta (metal) la kordhiyo iyadoo ay ku jirto xaalad adag (solid state), maxay ku dhacdaa walxaha (particles) ay ka samaysan tahay?

    • Waxba, waxay ku xiran yihiin meel go'an.
    • Waxay ka dhigtaa mid kasta inuu xoogaa ka weynaado.
    • Jawaabta saxda ah:Waxay ka dhigtaa inay gariiraan si xoog badan.
    • Waxay ka dhigtaa inay dhaqaaqaan si degdeg badan.
  2. 2. Maxay tahay sababta uu adkuhu (solid) u balaadho (expand) marka heerkulku kordho?

    • Walxihiisu (particles) waxay beddelaan qaabkooda.
    • Walxihiisa mid kastaa wuxuu noqdaa mid wax yar ka weyn.
    • Jawaabta saxda ah:Walxihiisu waxay is riixaan wax yar oo kala fogaan ah.
    • Qaar ka mid ah walxihiisa waxay u guuraan meelo cusub.
  3. 3. Markan birta (metal bar) kulaylku kordho, immisa jiho (length, width iyo height) ayay ku fidaysaa?

    • 0
    • 1
    • 2
    • Jawaabta saxda ah:3
  4. 4. Laba baloog oo baraf ah oo cabbirro kala duwan leh, oo ah biyo adag oo saafi ah, ayaa isla waqti lagaga soo saaray qaboojiyaha. Balooggee baraf ayaa ku dhalaali kara heerkulka ugu hooseeya?

    • kan yar
    • kan weyn
    • Jawaabta saxda ah:midna

Waxa ardaydu arkaan

Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.

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