CBSE Class 6 Science
Chapter 4: Sorting Materials into Groups
NCERT Solutions
1. Name five objects which can be made from wood.
Answer: Table, chair, paper, pencil, doors
2. Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt
Answer: The object which shine are glass bowl and steel spoon
3. Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.
Answer:
Book ---------- Paper
Tumbler --------- Glass and Plastic
Chair -----------Wood and Plastic
Toy ------------Plastic, wood, paper
Shoes -----------Leather, plastic
4. State whether the statements given below are True or False.
(i) Stone is transparent, while glass is opaque.
(ii) A notebook has lustre while eraser does not.
(iii) Chalk dissolves in water.
(iv) A piece of wood floats on water.
(v) Sugar does not dissolve in water.
(vi) Oil mixes with water.
(vii) Sand settles down in water.
(viii) Vinegar dissolves in water.
Answer:
(i) False
(ii) False
(iii) False
(iv) True.
(v) False
(vi) False
(vii) True
(viii) True
5. Given below are the names of some objects and materials:
Water, basket ball, orange, sugar, globe, apple and earthen pitcher
Group them as:
(a) Round shaped and other shapes
(b) Eatables and non eatables
Answer:
Round shaped: basket ball, orange, globe
Other shapes: apple, earthen pitcher, water, sugar
Eatables: water, orange, apple, sugar
Non eatables: basket ball, globe, earthen pitcher
6. List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Answer:
Some item float on water are paper, wood, Plastic ball, plastic bottle, balloons, etc. All these items will float in oil and kerosene as well.
7. Find the odd one out from the following:
a) Chair, Bed, Table, Baby, Cupboard
b) Rose, Jasmine, Boat, Marigold, Lotus
c) Aluminium, Iron, Copper, Silver, Sand
d) Sugar, Salt, Sand, Copper sulphate
Answer:
a) Baby
b) Boat
c) Sand
d) Sand
Answer: Table, chair, paper, pencil, doors
2. Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt
Answer: The object which shine are glass bowl and steel spoon
3. Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.
Answer:
Book ---------- Paper
Tumbler --------- Glass and Plastic
Chair -----------Wood and Plastic
Toy ------------Plastic, wood, paper
Shoes -----------Leather, plastic
4. State whether the statements given below are True or False.
(i) Stone is transparent, while glass is opaque.
(ii) A notebook has lustre while eraser does not.
(iii) Chalk dissolves in water.
(iv) A piece of wood floats on water.
(v) Sugar does not dissolve in water.
(vi) Oil mixes with water.
(vii) Sand settles down in water.
(viii) Vinegar dissolves in water.
Answer:
(i) False
(ii) False
(iii) False
(iv) True.
(v) False
(vi) False
(vii) True
(viii) True
5. Given below are the names of some objects and materials:
Water, basket ball, orange, sugar, globe, apple and earthen pitcher
Group them as:
(a) Round shaped and other shapes
(b) Eatables and non eatables
Answer:
Round shaped: basket ball, orange, globe
Other shapes: apple, earthen pitcher, water, sugar
Eatables: water, orange, apple, sugar
Non eatables: basket ball, globe, earthen pitcher
6. List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Answer:
Some item float on water are paper, wood, Plastic ball, plastic bottle, balloons, etc. All these items will float in oil and kerosene as well.
7. Find the odd one out from the following:
a) Chair, Bed, Table, Baby, Cupboard
b) Rose, Jasmine, Boat, Marigold, Lotus
c) Aluminium, Iron, Copper, Silver, Sand
d) Sugar, Salt, Sand, Copper sulphate
Answer:
a) Baby
b) Boat
c) Sand
d) Sand
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