Q1. Name five objects which can be made from wood.
Answer:
i)
Desk
ii)
Cupboard
iii)
Door
iv)
Chair
v)
Bed
Q2. Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Answer:
Out of the given objects, the
objects that shine are glass bowl and steel spoon.
Q3. 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
|
|
Cups
|
Wood
|
|
Chair
|
Paper
|
|
Toy
|
Leather
|
|
Shoes
|
Plastics
|
Answer:
|
Objects
|
Materials
|
|
Book
|
Paper
|
|
Tumbler
|
Glass,
Plastic
|
|
Chair
|
Wood,
Plastic
|
|
Toy
|
Plastics,
Wood
|
|
Shoes
|
Leather
|
Q4. 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) Stone is transparent, while
glass is opaque. (False)
(ii) A notebook has lustre
while eraser does not. (False)
(iii) Chalk dissolves in water.
(False)
(iv) A piece of wood floats on
water. (True)
(v) Sugar does not dissolve in
water. (False)
(vi) Oil mixes with water. (False)
(vii) Sand settles down in
water. (True)
(viii) 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:
(a) Round shaped and other shapes
(b) Eatables and non-eatables
Answer:
(a) (i) Round shaped:
basketball, orange, globe, apple and earthen pitcher
(ii) Other shapes:
sugar, water
(b) (i) Eatables:
Apple, water, sugar and orange
(ii) 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 oil or kerosene.
Answer:
(a) List of objects that
float on water
·
Wood
·
Paper
·
Plastic sheet
·
Ice
·
Wax
·
Oil
·
Thermocol
(b) Objects in the list that
float on an oil:
·
Wood
·
Paper
·
Plastic sheet
·
Wax
·
Thermocol
(c) Objects in the list that
float on kerosene:
· Paper
· Plastic
sheet
· Thermocol
Q7. 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
(expect this all others are non-living)
b) Boat
(expect this all others are flowers)
c) Sand
(expect this all others are metals)
d) Sand
(expect this all others are soluble in water)