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Chapters
2: Components of Food
3: Fibre to Fabric
▶ 4: Sorting Materials and Groups
5: Separation of Substances
6: Changes Around Us
7: Getting to Know Plants
8: Body Movement
9: The Living Organisms and their Surroundings
10: Motion and Measurement of Distances
11: Light
12: Electricity and Circuits
13: Fun with Magnets
14: Water
15: Air Around Us
16: Garbage in, Garbage out
![NCERT Exemplar solutions for Science [English] Class 6 chapter 4 - Sorting Materials and Groups - Shaalaa.com](/images/science-english-class-6_6:5f2b1b2038084cf381bfa42c826a928c.jpg "NCERT Exemplar solutions for Science [English] Class 6 chapter 4 - Sorting Materials and Groups")
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Solutions for Chapter 4: Sorting Materials and Groups
Below listed, you can find solutions for Chapter 4 of CBSE NCERT Exemplar for Science [English] Class 6.
NCERT Exemplar solutions for Science [English] Class 6 4 Sorting Materials and Groups Multiple Choice Questions [Pages 20 - 22]
An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?
Mustard oil
Soft drink
Coconut oil
Kerosene
Pick one material from the following which is completely soluble in water.
Chalk powder
Tea leaves
Glucose
Saw dust
You are provided with the following materials
- Magnifying glass
- Mirror
- Stainless steel plate
- Glass tumbler
Which of the above materials will you identify as transparent?
(i) and (ii)
(i) and (iii)
(i) and (iv)
(iii) and (iv)
Boojho found a bag containing the following materials
- Mirror
- Paper stained with oil
- Magnet
- Glass spectacles
Help Boojho in finding out the material(s) which is/are opaque.
(i) only
(iv) only
(i) and (iii)
(ii) and (iv)
While doing an activity in class, the teacher asked Paheli to handover a transluscent material. Which among the following materials will Paheli pick and give her teacher?
Glass tumbler
Mirror
Muslin cloth
Aluminium foil
Which pair of substances among the following would float in a tumbler half filled with water?
Cotton thread, thermocol
Feather, plastic ball
Pin, oil drops
Rubber band, coin
Which among the following are commonly used for making a safety pin?
Wood and glass
Plastic and glass
Leather and plastic
Steel and plastic
Which of the following materials is not lustrous?
Gold
Silver
Wood
Diamond
Which of the following statements is not true?
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
Find the odd one out from the following.
Tawa
Spade
Pressure cooker
Eraser
Which type of the following materials is used for making the front glass (wind screen) of a car?
Transparent
Translucent
Opaque
All the above
NCERT Exemplar solutions for Science [English] Class 6 4 Sorting Materials and Groups Very Short Answer Questions [Page 22]
lt was Paheli’s birthday. Her grandmother gave her two gifts made of metals, one old dull silver spoon and a pair of lustrous gold earrings. She was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference?
Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form?
On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her. If yes, why? If no, why not?
Take a small cotton ball and place it in a tumbler/bowl filled with water. Observe it for atleast 10 minutes. Will it float or sink in water and why?
NCERT Exemplar solutions for Science [English] Class 6 4 Sorting Materials and Groups Short Answer Questions [Pages 23 - 24]
Which among the following materials would you identify as soft materials and why?
Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.
You are provided with the following materials – turmeric, honey, mustard oil, water, glucose, rice flour, groundnut oil.
Make any three pairs of substances where one substance is soluble in the other and any three pairs of substances where one substance remains insoluble in the other substances.
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the table.
| Name of the material |
Appearance (Hard/Soft) |
Transparency (Transparent/ Translucent/ Opaque) |
Floats/ Sinks in water |
Soluble/ Insoluble in water |
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
milaunuim
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
tcaslpi
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
soekrnee
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
gavnier
Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments | (i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
Pick five objects from the word box given as figure which are opaque and would sink in water.
NCERT Exemplar solutions for Science [English] Class 6 4 Sorting Materials and Groups Long Answer Questions [Pages 24 - 25]
Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
Differentiate among opaque, translucent and transparent materials, giving one example of each.
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
Solutions for 4: Sorting Materials and Groups
NCERT Exemplar solutions for Science [English] Class 6 chapter 4 - Sorting Materials and Groups
Shaalaa.com has the CBSE Mathematics Science [English] Class 6 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT Exemplar solutions for Mathematics Science [English] Class 6 CBSE 4 (Sorting Materials and Groups) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Science [English] Class 6 chapter 4 Sorting Materials and Groups are Objects Around Us, Various uses of changes in physical state, Properties of substances.
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