Matter Around Us Important Questions

6th Standard

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Science

Time : 01:00:00 Hrs
Total Marks : 50
    6 x 1 = 6
  1. ______ is not made of matter

    (a)

    gold ring

    (b)

    iron nail

    (c)

    light ray

    (d)

    oil drop

  2. _________is essential to perform winnowing activity.

    (a)

    Rain

    (b)

    Soil

    (c)

    Water

    (d)

    Air

  3. Among the following_________is not a mixture.

    (a)

    Coffee with milk

    (b)

    lemon juice

    (c)

    water

    (d)

    ice cream embedded with nuts.

  4. All the matter made of __________

    (a)

    Particles

    (b)

    Atoms

    (c)

    Elements

    (d)

    Mixture

  5. A drop of water contains about____________ water particles.

    (a)

    1021

    (b)

    1012

    (c)

    1022

    (d)

    1020

  6. __________is a smallest particle

    (a)

    Molecule

    (b)

    Element

    (c)

    Atom

    (d)

    Substance

  7. 5 x 1 = 5
  8. Matter is made up of _________

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      atoms

  9. Grains can be separated from their stalks by ____________.

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    Threshing

  10. Water obtained from tube wells is usually ___________ water.

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    safety pins

  11. Stars and Sun are covered in_________

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    Plasma

  12. Purity of gold is expressed in terms of__________

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    carat

  13. 5 x 1 = 5
  14. Air is not compressible.

    (a) True
    (b) False
  15. Particles in solids are free to move.

    (a) True
    (b) False
  16. Grain and husk can be separated by winnowing.

    (a) True
    (b) False
  17. Air is a pure substance

    (a) True
    (b) False
  18. Butter from curd is separated by sedimentation.

    (a) True
    (b) False
  19. 5 x 1 = 5
  20. Breaks easily (brittle)

  21. (1)

    Rubber band

  22. Bends readily

  23. (2)

    Metal pan

  24. Can be stretched easily

  25. (3)

    Mud pot

  26. Gets compressed easily

  27. (4)

    Cotton wool

  28. Gets heated readily

  29. (5)

    Plastic wire

    4 x 1 = 4
  30. Gas like state of Matter that exists at extremely cold temperatures used in the field of cryogenics.

  31. The Cow and Birds are nonliving things.

  32. Gases have neither a definite shape nor a definite volume.

  33. Liquid is affected by gravity less than anything.

  34. 4 x 2 = 8
  35. Solid : Rigidity :: Gas : ______

  36. Solid : Definite shape ::______ :Shape of the vessel.

  37. Murukku from hot oil : _____::Coffee powder residue from decoction :_____

  38. Water: Liquid: : Apple:_______

  39. 3 x 2 = 6
  40. Define the term matter.

  41. Why do we separate mixtures?

  42. Define - Sedimentation

  43. 2 x 3 = 6
  44. Why do gases not have fixed shape?

  45. What is meant by food adulteration?

  46. 1 x 5 = 5
  47. Distinguish the properties of solid, liquid and gas. Draw a suitable diagram.

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