Matter in our surroundings

What is matter made up of?

Matter is made up of small particles

What are the three states of matter?

Solid, Liquid, Gas

What is the strength of the force of attraction in different particles?

Maximum in solid
Intermediate in liquid

Minimum in gases

What is the extent of the space between constituent particles in the case of:

(a) solids
(b) liquids

(c) gases

a) Minimum

b) intermediate

c) maximum

The arrangement of particles is ________ ordered in the case of solids, in the case of _________ layers of particles can slip and slide over each other, while for gases there is ____ order, particles just move about ___________.

most

liquids

no

randomly

What are the states of matter?

How can the states of matter be changed?

Inter-convertible

changing temperature or pressure

What is sublimation?

change of solid state directly to gaseous state without going through liquid state

What is deposition?

change of gaseous state directly to solid state without growing through liquid state

_________ is a bulk phenomenon. Particles from the bulk (whole) of the liquid state change into ________ state.

Boiling

vapour

What is evaporation?

—> Particles from the _________ gain enough energy to overcome the forces of _____________ present in the liquid and change into the vapour state,