Contents

Which of the following is an example of gas?
a) ice   

b) water  

c) steam

d) none of these

c

Particles Theory of Matter:

The kinetic theory of matter (particle theory) says that all matter consists of many, very small particles which are constantly moving or in a continual state of motion. 


All matter is made up of ……..particles.
a) small

b) large  

c) huge  

d) all of these


a

Which of the following is/are characteristic/s of particles of matter?
a) there are spaces among particles
b) particles are in constant motion
c) particles are very large in size

d) both a & b

d

Solids:

Solid is one of the four fundamental states of matter. The molecules in a solid are closely packed together and contain the least amount of kinetic energy. A solid is characterized by structural rigidity and resistance to a force applied to the surface.


The particles in solid are…..packed together.
a) tightly                                              

b) loosely
c) far away                                          

d) none of these

a