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Lakhmir Singh

Lakhmir Singh Manjit Kaur Class 6 Science Fourth Chapter Sorting Materials Into Groups Solution

By Mimi Das Last updated: May 30, 2022
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Lakhmir Singh Manjit Kaur Class 6 Solution Sorting Materials into Groups Exercise Solution

Objects Around Us; Classification of Objects : Sorting of Objects into groups; Classification of Objects as Living Objects and Non Living Objects; Living Objects : Plants and Animals; Materials; Classification of Materials on the Basis of Properties Such as : Appearence (Shiny Appearence or Dull appearence), Hardness or Softness, Solubility or Insolubility in Water, Heaviness or Lightness with respect to water, Transparency, Translucency Or Opaqueness.

Contents
Lakhmir Singh Manjit Kaur Class 6 Solution Sorting Materials into Groups Exercise SolutionVery short answer type questions(17) Fill in the following blanks with suitable words:Short Answer Type QuestionsLong Answer Type QuestionsMultiple Choice Questions (MCQs)Next Chapters Solution Link:

Chapter 4: SORTING MATERIALS INTO GROUPS

Very short answer type questions

(1) Ans: Living objects and Non-living objects.

(2) Ans: Plants and Animals.

(3) Ans: Naturally occurring materials are Wood and Coal.

  • Man-made materials: Iron and cement.

(4) Ans: Gold and Diamond.

(5) Ans: Paper and wood.

(6) Ans: Glass bowl, Steel spoon, Diamond ring.

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(7) (a) Chalk dissolves in water. False

(b) Sugar does not dissolve in water. False

(c) Oil mixes with water. False

(d) Sand settles down in water. True

(e) Vinegar dissolves in water. True

(f) A notebook has luster. True

(g) A piece of wood floats on water. True

(h) Stone is transparent whereas glass is opaque. False

(8) Ans: Steel has the property of hardness and sponge has the property of softness.

(9) Ans: Vinegar.

(10) Ans: Oxygen and Carbon dioxide.

(11) Ans: Water and Glycerin.


(12) Ans: Single layer.

(13) (a) Through which we cannot see at all?

Ans: Opaque material.

(b) Through which we can see clearly?

Ans: Transparent materials.

(c) Through which we cannot see clearly?

Ans: Translucent materials.

(14) Ans: Glass and water.

(15) Ans: Cardboard, Wood.

(16) Ans: Water and Alcohol.

(17) Fill in the following blanks with suitable words:

(a) Mustard oil and water are immiscible liquids.

(b) Water and milk are miscible liquids.


(c) A piece of glass is transparent but a piece of cardboard is opaque.

Short Answer Type Questions

(18) Ans: Wood and plastic are lighter than water.

  • Iron nail and gold heavier than water.

(19) Ans: Wood and plastic can float on water.

  • Iron nail and soil can sink in water.

(20) Ans: Heavier: Chalk, iron, copper, aluminium and stone.

Lighter: Wood, oil, kerosene, ice, plastic.

(21) Ans: Float on water: A plastic toy, A cube of ice, Dry leaves, saw dust.

Sink in water: An iron nail, Sand.

(22) (a) Ans: Sugar and common salt.

(b) Ans: Sand and Chalk powder.

(23) Ans: Soluble: Potassium permanganate, Alum, sugar, oxygen, copper sulphate.

Insoluble:  Groundnut oil, wax, sand, nitrogen, methane.

(24) Ans: Natural materials: Water, coal, Wood, wool, Gold.

Man-made materials: Nylon, paper, plastic, glass, steel.

(25) Ans:  (a) Chair – wood and plastic

(b) Clothes – cotton and silk.

(c) Coins – gold and silver.

(d) Utensils – Copper and iron.

(e) Shoes – Leather and plastic.

(26) Ans: (a) Glass – Mirror and tumbler.

(b) Iron – Nails and pipes.

(c) Copper – Utensils and coins.

(d) Aluminum – Utensils and window-frames.

(27) (a) Wood – Table, chair, doors, windows, book-rack.

(b) Cotton – Fabrics, pillows, mattresses, quilts, wicks.

(c) Leather – Shoes, bags, purses, suitcase, sofa.

(d) Paper – Books, note-books, newspaper, calendars, envelope.

(28) Ans: Luster – Gold pendant, aluminium sheet, glass mirror, brass door handle, stainless steel tumbler.

No luster: Wooden table, sand, sheet of paper, leather sofa, jute bag.

(29) Ans: Transparent: Clear glass, water, Air,

Translucent: Butter paper, ground glass,

Opaque: Cardboard, Brick wall, aluminium sheet.

(30) Ans: Hard materials – Iron, Diamond, Wood, Bone.

Soft materials – Cotton, Chalk, Wax, Clay, Sponge, Feathers.

Long Answer Type Questions

(31) Ans: The plants and animals which live in water use the oxygen dissolved in water for respiration.

  • The plants which live in water use the carbon dioxide dissolved in water for the process of photosynthesis.

(32) (a) Ans: The matter of which an object is made is called material.

Examples: Wood, glass, metals, leather, cotton etc.

(b) Ans: Cricket bat – wood

Pressure cooker – aluminium.

Beaker – glass.

One rupee coin – Stainless Steel.

Book – Paper.

Screw – Iron.

Drawing sheet – Paper.

Mirror – Glass.

Calendar – Paper.

Table – Wood.

(33) Ans: Hard materials: Those materials which cannot be easily compressed, cut, bent or scratched are called hard materials.

Examples: Iron and steel.

Soft materials: Those materials which can be easily compressed, cut, bent or scratched are called soft materials.

Example: Sponge and cotton.

(34) Ans: Transparent material: Those materials through which we can see clearly are called transparent materials.

Example: Glass and water.

Translucent material: Those materials through which cannot see clearly are called translucent materials.

Example: Ground glass and Butter paper.

Opaque materials: Those materials through which we cannot see at all are called opaque materials.

Example: Cardboard and Wood.

(35) Ans: All the living objects need food, water and air for their survival whereas non-living objects do not require these things.

(b) Ans: Living objects – Child, Rabbit, Sparrow, Coconut tree, Fish.

Non-living objects – Ball pen, Note-book, Chair, Stone, Football.

(36) (a) Ans: All the plants can make their food by using carbon dioxide, water and sunlight whereas animal cannot make their food in this way.

(b) Plants – Mushroom, Lotus, Paddy, Algae.

Animals: Mosquito, Rat, Goat, frog, Snail, Snake.

Multiple Choice Questions (MCQs)

(37) Ans: (b) algae.

(38) Ans: (c) feather.

(39) Ans: (b) hydra.

(40) Ans: (c) iron.

(41) Ans: (b) crane.

(42) Ans: (a) cloud

(43) Ans: (b) air.

(44) Ans: (a) ground glass.

(45) Ans: (c) ice.

(46) Ans: (a) wood.

(47) Ans: (c) chalk powder.

(48) Ans: (d) kerosene.

(49) Ans: (b) lead.

(50) Ans: (d) diamond.

Next Chapters Solution Link:

  • Chapter 1) Food: Where does it come from
  • Chapter 2) Components of Food Part-1
  • Components of Food Part-2
  • Chapter 3) Fibre to Fabric
  • Chapter 5) Separation of Substances
  • Chapter 6) Changes Around Us
  • Chapter 7) Getting to Know Plants
  • Chapter 8) Body Movements
  • Chapter 9) The Living Organisms and Their Surroundings
  • Chapter 10) Motion and Measurement of Distances
  • Chapter 11) Light Shadows and Reflection
  • Chapter 12) Electricity and Circuits
  • Chapter 13) Fun with Magnets
  • Chapter 14) Water
  • Chapter 15) Air Around Us
  • Chapter 16) Garbage In Garbage Out
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13 Comments
  • kishan kumar says:
    July 3, 2019 at 7:22 pm

    Nice

    Reply
  • Rishabh says:
    October 1, 2019 at 7:42 pm

    good explenation

    Reply
    • Ajit kumar says:
      October 6, 2020 at 11:28 am

      Good help for student

      Reply
  • Imaaduddin Ahmed says:
    October 13, 2019 at 6:22 pm

    Nice

    Reply
  • Ankit says:
    February 17, 2020 at 8:55 pm

    NICE

    Reply
  • Atharv says:
    June 3, 2020 at 3:46 pm

    very useful!

    Reply
    • farhan says:
      June 18, 2020 at 2:52 pm

      u are from bright riders 6D right Atharv

      Reply
  • Joydev Mandal says:
    July 5, 2020 at 8:48 am

    This is nice

    Reply
  • Beauty says:
    September 6, 2020 at 3:44 pm

    Very nice

    Reply
    • Arnav Gupta says:
      October 9, 2020 at 10:42 pm

      Very nice

      Reply
  • Abhinav says:
    June 10, 2022 at 1:01 pm

    ultimate

    Reply
  • Rihan says:
    September 23, 2022 at 9:22 pm

    Hi

    Reply
  • khan says:
    October 9, 2022 at 8:20 pm

    khali nice nice aaw nahi sujhta hai

    Reply

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