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WorksheetsPT3 revision (1)
Total questions: 21
Worksheet time: 11mins
The adventure sport that makes use of the force in the flowing water to raft________
Scuba diving
River rafting
The process of killing germs using chlorine is called _________
Chlorination
Florination
The fresh water available on the Earth is only about_______
10%
3%
5%
The process in which running water carries away soil with it is called______
Soil erosion
Soil cultivation
The longest canal in India________
The Rajiv Gandhi canal
The Indira Gandhi canal
Which water gets more polluted as they do not flow:
River water
Lake water
The force that causes objects to float is called _______
Buoyant force
Frictional force
The process of removing impurities by passing water through a filtration tank is called as _______
Sedimentation
Filtration
Water is a _________
Non- renewable resource
Renewable resource
Force acting on a unit area is called_________
Pressure
Force
The walls built across rivers to hold water_______
Dams
Buildings
Something that can dissolve another substances in it is called _______
Solvent
Solute
Largest sources of fresh water on our planet______
Glaciers
Rivers
Identify the substance that do not dissolve in water______
Salt
Oil
Sugar
Soap
Settling down of solid material to the bottom of a liquid is called _______
Filtration
Sedimentation
Chemicals that are used to kill insects ________
Fertilisers
Insecticides
Identify the object that floats on water ________
Coin
Iron nail
Alluminium foil
Stone
Fresh water getting polluted leads to _________
Scarcity of water
Abundance of water
What happens to the object if the buoyant force is LESS THAN the force exerted by the object?
The object will float
The object will sink
Dumping factory waste into the water bodies leads to _______
Water pollution
Water purification
Chemicals that are used to kill insects ________
Fertilisers
Insecticides
