Matter Around Us Important Questions

6th Standard

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Science

Answer all the questions

Time : 01:40:00 Hrs
Total Marks : 50

    Part A

    5 x 1 = 5
  1. 200 ml of water is poured into a bowl of 400ml capacity. The volume of water now will be

    (a)

    400 ml

    (b)

    600 ml

    (c)

    200 ml

    (d)

    800 ml

  2. From the following ___________ is not a mixture

    (a)

    Coffee with milk

    (b)

    lemon juice

    (c)

    water

    (d)

    ice cream embedded with nuts.

  3. The space between ____________ particles is the greatest one.

    (a)

    solid

    (b)

    liquid

    (c)

    gas

    (d)

    cold

  4. Very tiny insoluble solid separated from a liquid is__________

    (a)

    Winnowing

    (b)

    Churning

    (c)

    Sieving

    (d)

    Filtration

  5. We mix rice, dal, salt, chillies, pepper, ghee and other ingredients to make pongal. So pongal is also a ___________

    (a)

    Mixture

    (b)

    Compound

    (c)

    Element

    (d)

    Matter

  6. Part B

    5 x 1 = 5
  7. In solids, the space between the particles is less than in ___________

    ()

    liquids and gases

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

    ()

      Impure

  9. A____________ substance is made up of only one kind of particles

    ()

    pure

  10. RO - a process of removing impurities from ___________ to make it potable.

    ()

    water

  11. ____________is not affected by gravity

    ()

    gas

  12. Part C

    5 x 1 = 5
  13. Breaks easily (brittle)

  14. (1)

    Plastic wire

  15. Can be stretched easily

  16. (2)

    Mud pot

  17. Gets heated readily

  18. (3)

    Metal pan

  19. Bends readily

  20. (4)

    Rubber band

  21. Gets compressed easily

  22. (5)

    Cotton wool

    Part D

    5 x 2 = 10
  23. Define the term matter.

  24. Why do we separate mixtures?

  25. Give an example for mixture and justify your answer with reason.

  26. Define Sedimentation.

  27. Give the main difference between a pure substance and an impure substance.

  28. Part E

    2 x 5 = 10
  29. Distinguish between properties of Solid, liquid, gas. Draw suitable diagram

  30. Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flowchart to show the separation process.

  31. Part F

    5 x 3 = 15
  32. A rubber ball changes its shape on pressing. Can it be called a solid?

  33. Why do gases not have fixed shape?

  34. Look at the picture given below and explain the method of separation illustrated.

  35. How can you separate a mixture of a large quantity of tiny bits of paper mixed with pulses/dal?

  36. Mr.Raghu returns home on a hot summer day and wants to have buttermilk. Mrs.Raghu has only curds. What can she do to get buttermilk? Explain

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