MEDIUM
Earn 100

A raft does not sink in water. Why?

Important Questions on Floating Bodies

EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle

Insert the names in the list in the correct column in the table. 
Wooden spoon, Steel spoon, plastic spoon, iron hammer, rubber band 

Floats in water Sinks in water
   
   
   
   
   
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle

Choose the correct word from the given bracket and fill in the blank.

[soluble, sediment, insoluble]

Sugar is _____ in water.

MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
A substance has a density of 12.7 kilograms per litre. It will _____ 
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
When we push a floating object down in the water it comes up. This force is _____.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Differentiate between boiling and distillation.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Which of these is a process of purification of water which kills germs?
HARD
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Iron is denser than water so it sinks in water. But if a boat is made out of the same iron, it floats in water. Why?
MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
One kilogram of a solid takes up 2 litres of space. What is its density?
MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Describe the different ways by which drinking water can be purified.
HARD
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
A substance has a density of 10 kilograms per litre. What is the density of 10 litres of this substance?
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Write the names of any four objects which float on water.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Boiled water is unsafe for drinking.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Filtration is the safest method of water purification. 
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Which of the following substances sink in water?
MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Looking at the density of different things, how can we say which of them will float and which ones will sink in water?
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
The fast conversion of a liquid to a gas is known as _____.
MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
What is buoyant force?
MEDIUM
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
Explain why wood floats on water by comparing their pushing forces.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
The best and safest method of water purification is boiling.
EASY
Science>Physics>Floating Bodies>Force of Buoyancy and Archimedes Principle
The settling down of insoluble matter in water is called _____.