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WorksheetsSorting materials into Groups
Total questions: 30
Worksheet time: 28mins
Which of the following materials is hard, opaque and shines?
Rubber
Plastic
Wood
Tin
Which property of clay is useful for making pots and bricks?
Opacity
Non-magnetic nature
A good conductor of heat
malleability
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
A mirror is
opaque.
transparent
translucent.
flexible
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)
Why are paper bags preferred over plastic bags?
Paper bags are lighter.
Paper bags are stronger.
Paper bags are cheap
Paper bags are biodegradable.
A vendor sells white powdered salt mixed with white powdered stone. Which of these properties will help you detect his malpractice?
Ductility
Opacity
Density
Solubility
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
Which is the most essential property of a substance to be used as a cooking vessel?
Good conductor of heat
Ductility
Malleability
All of the above
Which of the combinations is the odd one out?
Ink and water
Milk and water
Oil and water
Lime juice and water
Mohan is able to bend the rod because it is
light.
hard
water proof.
flexible
student added blue ink to a beaker containing water. After a few minutes the colour of water changed to blue.
Which of these properties led to this colour change?
Miscibility
Malleability
Ductility
Compressibility
Abhi bought an object. It is made of a hard material. It is fragile (easy to break) and allows light to pass through it.What can the object be?
Shoes
Mirror
Cricket bat
Fish tank
Which of these properties of water helps in the washing of clothes?
Transparency
Solubility
Conductivity
Compressibility
Hussain was applying paint on the wall during which some of the paint fell on his hands. Instead of using water, Hussain used kerosene oil to wash his hands.
Which of the following options explains Hussain's decision?
Kerosene is softer than water.
Kerosene smells better than water.
Paints dissolve in kerosene and not in water.
Kerosene is more easily available than water.
Which of the following materials is not lustrous?
Gold
Silver
Wood
Diamond
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
Which of the following does not float on water?
Feather
Paper
Coconut oil
Stone
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.
Nina had a mixture of sand and salt. Which of the following properties of salt can she use to separate them?
Salt is white in colour.
Salt dissolves in water.
Salt has a taste.
Salt is a powder.
Materials that cannot be compressed easily are called __________
Soft
Rough
Scaly
Hard
Shown here is a tent used by a mountain climber.
What are the qualities such a tent MUST have?
1. very light to carry
2. has nice colours
3. easy to wash
4. folds into a small size
Only 1
Only 1 and 2
Only 1 and 4
all - 1,2,3 and 4
Pliers used by electrician usually have a plastic cover on the handle.Why?
A) Plastic is a bad conductor of heat
B) Plastic is water resistant
C) Plastic is bad conductor of electricity
D) All of these
Steel spoons used for cooking becomes hot easily.They are often given handle of
A) Iron
B) Copper
C) Wood
D) Aluminium
Which of the following is correct for the term ' lustre '?
A) Hardness
B) Softness
C) Dull appearance
D) Shiny appearance
Which one of the following is insoluble in water?
oxygen
sugar
milk
sawdust
Which one of the following will not attract magnet?
Iron nail
Cobalt
Copper vessel
A coin made of nickel
Identify the bad conductor of electricity-
copper
iron
silver
pure water
Which pair of substances among the following would float in water-
Feather, plastic ball
rubber band, coin
thermocol, stone
pin, oil drops
