Everyday Science MCQs-13

    1. When molten rock cools and solidifies, the ________ are formed.
      1. igneous rocks
      2. satimantary rocks
      3. metamorphet rocks
      4. none of these

 

    1. Molten rock below the surface of the Earth is called?
      1. Lava
      2. Magma
      3. Crystals
      4. Granite

 

    1. Molten rock above the surface of the Earth is called?
      1. Lava
      2. Magma
      3. Crystals
      4. Granite

 

    1. The metal which is liquid at room temperature is?
      1. Zinc
      2. Nickol
      3. Lead
      4. Mercury

 

    1. Between the melting point and boiling point of a substance, the substance is a?
      1. Solid
      2. Liquid
      3. Gas
      4. Crystal

 

    1. The boiling point of alcohol is
      1. 78 oc
      2. 86 oc
      3. 94 oc
      4. 100 oc

 

    1. The visible cloud of dust and gas in space is called?
      1. White Dwarf
      2. Supernova
      3. Nebula
      4. Galaxy

 

    1. The average salinity of the Earth’s oceans in 1 kilogram of sea water is about ________ grams of salt.
      1. 90
      2. 25
      3. 30
      4. 35

 

    1. The most abundant substance that constitutes the mass of the Earth is?
      1. Iron
      2. Oxygen
      3. Nitrogen
      4. Silicon

 

  1. The Earth’s atmosphere is divided into ________ main layers.
    1. 4
    2. 5
    3. 6
    4. 7

ANSWERS: SCIENCE QUESTIONS

  1. A
  2. B
  3. A
  4. D
  5. B
  6. A
  7. C
  8. D
  9. A
  10. B
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