NCERT Solutions for class 6 Science Sorting Materials into Groups

Exercise

Q1: Name five objects, which can be made from wood.

Glass bowl, Plastic toy, steel spoon, cotton shirt

Ans: Door, window pane, table, chair and sofa.

Q2: Select those objects from the following which Shine.

Ans: Glass bowl and steel spoon.

Q3: Match the objects given below with the materials from which they could be made remember and object could be made from more than one material and given material could be used for making many objects.

Ans:

Q4: State whether the statements given below are true or false:

1. stone is transparent while glass is opaque [False]
2. A notebook has lustre while eraser does not [False]
3. chalk dissolves in water [False]
4. A piece of wood floats on water [True]
5. sugar does not dissolve in water [False]
6. oil mixes with water [False]
7. sand settles down in water [True]
8. vinegar dissolves in water [True]

Q5: Given below are the names of some objects and materials

water, basketball, Orange, sugar, globe, apple and Earthen pitcher

Group them as

1. Rounded shape than other shapes
2. Eatables and non eatables

Ans:

1. Rounded shape: globe, orange, basketball, apple and earthen pitcher
2. Other shape: Water and sugar
3. Eatables: Orange, apple, sugar and water
4. Non-eatables: Basketball, globe and earthen pitcher

Q6: List all items known to you that float on water check and see if they will float on an oil or kerosene.

Ans:

1. Wood, plastic, paper, oil, ice floats on water.
2. Paper, wood, and plastic float on oil.
3. Paper and plastic float on kerosene.

Q7: Find the odd one out from the following:

1. Chair, bed, table, baby, cupboard
2. Rose, jasmie, boat, marigold, lotus
3. Aluminium, iron, copper, silver, sand
4. Sugar, salt, sand, copper sulphate

Ans: (a) Baby

            (b) Boat

            (c) Sand

            (d) Copper sulphate

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• Separation of Substances