1) Arrange the liquid in order from most dense to least dense. a) 1,2,3,4 b) 4,3,2,1 c) 2,1,3,4 2) Which box has a higher density? a) A b) B c) Both has same density 3) What causes the object to sink? a) The object's density is less than the water's density b) The object's density is more than the water's density c) The object's density is same as the water's density 4) When two materials that have different densities, like oil and water, encounter one another, they will? a) Separate according to their densities b) Expel each other c) Mix each other 5) How to make the water more dense? a) Add some oil to it. b) Add more salt in it. c) Add a few of marbles in it. 6) Which of these objects we should use to make us float in the water? a) b) c) 7) What is the use of this anchor? a) To keep the ship in one place. b) To make the ship float. c) To make the ship move faster. 8) How can this man surfing in the seawater? a) The man's body is less dense than seawater. b) The surfboard is less dense than seawater. c) The surfboard is more dense than seawater.

Density - Std 3

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