Term -1 Class:3 Science 2. States of Matter - clickhere

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Term -1 Class:3 Science 2. States of Matter

Understand the Question and choose the Correct answers:
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10 நிமிடத்திற்குள் கவனமாகவும் , விரைவாகவும் விளையாட்டை முடிக்க.
உங்கள் முயற்சிக்கு வாழ்த்துகள்.

 

1. Change of solid into liquid on heating is called ________________
   1.   Melting
   2.   Freezing
   3.   Condensation
   4.   Evaporation
2. Change of liquid into water vapour on heating is called ________________
   1.   Evaporation
   2.   Melting
   3.   Condensation
   4.   Freezing
3. Clouds on cooling ______________ and fall as rain
   1.   Condensation
   2.   Freezing
   3.   Melting
   4.   Evaporation
4. Water poured in ice tray in the freezer get cold and become ice.
   1.   Freezing
   2.   Condensation
   3.   Evaporation
   4.   Melting
5. _________________ is a mixture of gases.
   1.   Air
   2.   Solid
   3.   Liquid
   4.   Stone
6. Electrical energy is also used as fuel cooking and transporting
   1.   Gas fuel LPG
   2.   Liquid Fuel
   3.   Coal
   4.   Wood
7. What happens when the ice is heated
   1.   Melting
   2.   Freezing
   3.   Condensation
   4.   Evaporation
8. Which of these is solid fuel
   1.   Coal
   2.   Kerosense
   3.   Diesel
   4.   Petroleum
9. Which of these is liquid fuel
   1.   Petrol
   2.   Wood
   3.   Coal
   4.   Cow dung
10. A fuel is a substance which gives heat energy on ______________
    1.   Burning
    2.   Shadow
    3.   White
    4.   None