Class 5
EVS :-QUIZ ON THE VIDEO-EXPERIMENTS WITH WATER
Which of the following floats in water?
A needle
A football
A stoneA wet cloth
If you put an uncooked puri in hot oil it___?
FloatsSinks
Can’t say anything Dissolves
As puri gets cooked it begins to____?
Sink Can’t say anything FloatDissolve
Which of the following floats in water?
A wooden stick
A paper piece
A ship
An iron nail
Which of these does not dissolve in water
OilJuiceSaltSugar
Sand dissolves in water
FalseTrueSometimes
Can’t say anything
Which of the following dissolves in water
Wood Mud
OilSugar
What is the name of the sea on which almost everything floats
Dead Sea Arabian Sea
Red Sea
None
It is due to the extreme concentration of ______ that everything starts floating on Dead Sea
Sugar
Salt OilWaste
A lemon sinks in plain water but floats on adding salt in water
Can’t say anything FalseTrue
Why does an aluminium plate float on water whereas an iron nail sinks in water?
Aluminium plate floats only on saltwaterAluminium plate is lighter than water Aluminium plate displaces less water by its weight while an iron nail displaces a lot more compared to its weight. It’s by pure chance only and does not always happen.
Which of the following would be an appropriate reason to why a ship made up of iron and steel floats in seas/oceans
A ship has lot of space filled with air NoneThe turbines of the ship keeps it afloat
The salt in the oceans/seas.
