SOLIDS, LIQUIDS AND GASES

Any substance that occupies space and has mass is called _________

The process you see in this picture

• boiling

• melting

• condensation

• freezing

This statement is true for gases.

• The particles cannot move away from each other

• They take up the shape of the container they poured in

• They have a fixed shape

• They fill up a container

In this process the change you observe is

• particles come closer to form liquid

• water changes into its gaseous form

• particles start to slow down

• It start absorbing heat from the surroundings and particles start vibrating fast

A state of matter in which particles are not very tightly packed

• gas

• liquid

• solid

• none of the above

The decrease in size of matter on cooling is called _______

which statement is true for this matter?

• particles are packed in a fixed pattern

• particles are not arranged in a fixed framework

• particles can move freely in all directions

• particles are tightly packed

_________ causes the particles of a substance to move faster.

Identify the process you observe in this picture

• condensation

• evaporation

• melting

• contraction

Matter contract when it freezes. Which among the following is an exception?

• nitrogen

• glycerine

• oxygen

• water