NCERT CLASS 6TH Q&A SORTING MATERIALS INTO GROUPS
Question: 1. Name the objects which can be made from iron and wood.
Answer: Wooden items: window, door, sofa, chair, etc.
Iron items: Car, truck, bridge, utensil, grill, etc.
Question: 2. Select those objects from the following which shine.
Glass bowl, plastic toy, steel spoon, cotton shirt.
Answer: Glass bowl and steel spoon
Question: 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.
Question: 4. State whether the statements given below are True or false.
(a) Stone is transparent, while glass is opaque. (F)
(b) A notebook has luster, while eraser does not. (F)
(c) Chalk dissolves in water. (F)
(d) A piece of wood floats on water. (T)
(e) Oil mixes with water. (F)
(f) Sand settles down in the water. (T)
(g) Vinegar dissolves in water. (T)
Question: 5. Given below are names of some objects and materials.
Water, basketball, orange, sugar, globe, apple and earthen pitcher.
Group them as:
(a) Round shaped and other shapes.
Answer: Round-shaped: Basketball, orange, globe and earthen pitcher.
(b) Eatables and non eatables
Answer: Eatables: Water, orange, sugar and apple.
Non-eatables: Basketball, globe and earthen pitcher.
Question: 6. List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Answer: Items; like wood, cork, Styrofoam, etc. float on water as well as on oil.
Question: 7. Find the odd one out from the following.
(a) Chair, bed, table, baby, cupboard
Answer: Baby is a living being, while others are non-living.
(b) Rose, jasmine, Boat, Marigold, Lotus.
Answer- Boat is a mode of transport, while others are flowers.
(c) Aluminium, iron, copper, silver, sand.
Answer: Sand is non-metal, while others are metals.
(d) Sugar, Salt, sand, copper sulphate.
Answer: Sand is insoluble in water, while others are soluble in water.
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