Matter Around Us Important Questions

6th Standard

    Reg.No. :
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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. ___________ of is essential to perform winnowing activity.

    (a)

    Rain

    (b)

    Soil

    (c)

    Water

    (d)

    Air

  3. From 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 _________

    ()

      atoms

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

    ()

    Threshing

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

    ()

      Impure

  11. Stars and Sun are covered in_________

    ()

    Plasma

  12. Purity of gold is expressed in terms of__________

    ()

    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 curds is separated by sedimentation.

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

  21. (1)

    Plastic wire

  22. Bends readily

  23. (2)

    Rubber band

  24. Can be stretched easily

  25. (3)

    Metal pan

  26. Gets compressed easily

  27. (4)

    Cotton wool

  28. Gets heated readily

  29. (5)

    Mud pot

    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. Fluidity: Fixed volume:: ___________: __________________.

  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 between properties of Solid, liquid, gas. Draw suitable diagram

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