Science - Sorting Materials Into Groups
(Worksheet)
Q1: Name the following:
(a) Two solids which are insoluble in water
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(b) Two liquids which are insoluble in water
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(c) Two gases which are insoluble in water
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(d) Two solids which are soluble in water
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(e) Two gases which are soluble in water
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(f) Two objects made of plastic
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Q2: 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.
(ix) Different types of materials have same properties.
Q3: Fill in the blanks with suitable words
(a) The materials through which objects can be seen, but not clearly, are known as ____________.
(b) Some materials are shiny in appearance while others are ___________.
(c) Those substances or materials, through which things can be seen, are called ___________.
(d) Some substances have completely disappeared or dissolved in water. These substances are _______ in water.
(e) Materials which can be compressed or scratched easily are called ________.
Answers:
1:
(a) wood, metal
(b) kerosene oil, coconut oil
(c) methane, nitrogen
(d) sugar, salt
(e) carbon dioxide, oxygen
(f) chair, ball pens
2: (i) False (ii) True (iii) False (iv) True (v) False (vi) False (vii) True (viii) True (ix) False
3:
(a) translucent
(b) dull
(c) transparent
(d) soluble
(e) soft
