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WorksheetsSorting Materials into Groups
Total questions: 30
Worksheet time: 30mins
All objects have different
Size
Shape
Uses
All of the above
Which one will show a metallic lustre?
Any surface of a metal
The freshly cut surface of a metal
The freshly cut surface of non-metal
Surfaces of all materials
An oily thin paper sheet will be
transparent
translucent
opaque
cannot be predicted
Materials that can be compressed or scratched easily are called
rough
hard
soft
soluble
The purpose of sorting material into groups is
convenience
to study their properties
both (a) and (b)
inconvenience
Which is a set of transparent materials?
Glass and air
Water and glass
Water and air
All of these
Which of the following will dissolve in water
Metal
Chalk
paper
oxygen
The property of a substance by which it dissolves in water is
Transparency
Hardness
flotation
solubility
Which of the following materials is hard, opaque and shines?
Rubber
Plastic
Wood
Tin
Which of the following materials is suitable to make raincoats?
Cotton
Plastic
Silk
Paper
If opacity is the distinct feature of wood, then what is glass known for in the same way?
Its transparency
Its magnetic nature
Its conductivity to heat
Its lustrous nature
When Amrita was asked to pick up a few articles from a collection, she picked up the following:
Wooden scale
Glass test tube
Paper basket
Which of the following articles is she most likely to pick up the next
Steel cup
Iron chain
Rubber gloves
Copper wire
Which of the following materials is not lustrous?
Gold
Silver
Wood
Diamond
Materials that cannot be compressed easily are called __________
Soft
Rough
Scaly
Hard
Which of the following statements is not true?
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
Which one of the following dissolve in water
Wood
Rock
Sugar
Plastic
Take two samples, one is oil and other is water. Mix the two. You observe that
They are soluble.
Oil floats on water
Water floats on oil
None of the above
An oiled paper act as a _______ material.
Transparent
Translucent
Hard
Opaque
pick the odd one out
salt
sugar
vinegar
chalk powder
Sand and water is a soluble solution.
true
false
Which of the following substance is opaque?
Wood
Glass container
Oily paper
Water
21. Boojho found a bag containing the following materials:
i) mirror
ii) paper stained with oil
iii) Magnet
iv) Glass spectacles.
Help Boojho to find out group of opaque materials.
Only (i)
Only (iv)
(i) and (iii)
(ii) and (iv)
Which of these is OPAQUE?
Cooking oil
Mirror
Spectacles
River water
Which characteristics given below are of metals?
(i) They are hard.
(ii) They have lustre.
(iii) They are good conductors of electricity
Only (i) and (ii
Only (ii) and (iii)
Only (i) and (iii)
i), (ii) and (iii)
Door locks are made of metals. Which property of metals is made use of?
They have lustre
They are opaque
They are good conductors of heat.
They are hard and strong
Kerosene does not dissolve in water. What are they called?
Immiscible liquids
Solute and solvent
Solvent and solution
Miscible liquids
Students added blue ink to a beaker containing water. After a few minutes, the colour of the water changed to blue.
Which of these properties led to this colour change?
Miscibility
Malleability
Ductility
Compressibility
Which of these properties of water helps in the washing of clothes?
Transparency
Solubility
Conductivity
Compressibility
Which of the following does not float on water?
Feather
Paper
Coconut oil
Stone
