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Worksheetssorting materials into groups
Total questions: 10
Worksheet time: 5mins
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
Why are most of the balloons, tyres and footballs made of rubber?
It is naturally available.
It is cheap.
It is an electrical insulator.
It is soft and flexible.
A mirror is
opaque.
transparent
translucent.
flexible
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 these properties of water helps in the washing of clothes?
Transparency
Solubility
Conductivity
Compressibility
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
