Which of the following is an example of gas?
a) ice
b) water
c) steam
d) none of these
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
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
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