Q. 1. Name five objects which can be made from wood.
Ans.
(i) Table
(ii) Chair
(iii) Doors
(iv) Boat
(v) Bed
Q.2. Select those objects from the following that shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Ans. Glass bowls and steel spoons are shining objects.
Q.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.
Objects Materials
Book Glass
Tumbler Wood
Chair paper
toy Leather
Shoes Plastics
Answer
Objects Materials
Book Paper
Tumbler Glass, Plastics
Chair Wood, Plastics
Toy Plastics, Wood
Shoes Plastics, Leather
Q. 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 an 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 the water.
(viii) Vinegar dissolves in water.
Ans.
(i) False
(ii) False
(iii) False
(iv) True
(v) False
(vi) False
(vii) True
(viii) True
Q. 5. Given below are the names of some objects and materials:
Water, basketball, orange, sugar, globe, apple and earthen pitcher Group them as:
(a) Round-shaped and other shapes
(b) Eatables and non-eatables
Ans.
(a) (i) Round shaped: Basketball, apple, orange, globe, earthen pitcher.
(ii) Other shapes: Water, sugar.
(b) (i) Eatables: Water, orange, sugar and apple.
(ii) Non-eatables: Basketball, globe and earthen pitcher.
Q. 6. List all the items known to you that float on water. Check and see if they will float on an oil or kerosene.
Ans. (A) List of some items that float on water:
- Paper
- Wood
- Thin plastic sheets
- Wax
- Ice
- Thermocol
- Oil
(B) List of items that float on an oil:
- Paper
- Plastic sheet
- Wax
- Thermocol
- Wood
(C) List of items that float on kerosene:
- Paper
- Thermocol
- Thin plastic sheet
Q. 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
Ans.
(a) Baby (all others are non-living)
(b) Boat (all others are flowers)
(c) Sand (all others are metals)
(d) Sand (all others are soluble in water