Question

WRITE ANSWERS Q3 NUMBER 1,2AND3 SCIENCE ​

Answer 1

1. The characteristics of particles of matter are:

(i)All matter is composed of very small particles which can exist independently.

(ii) Particles of matter have spaces between them.

(iii) Particles of matter are continuously moving. (iv) Particles of matter attract each other.

2. SI Unit of:

Volume : Cubic meter ( m^3)

Pressure : Pascal (Pa)

Weight : Newtons(N)

3.

⇒Evaporation is a normal process that occurs when the liquid form changes into the gaseous form; while causing an increase in the pressure or temperature.

⇒Boiling is an unnatural process where the liquid gets heated up and vaporized due to continuous heating of the liquid.

Answer 2

1)characteristics of particles of Matter

• have space between them
• are in continuous movement
• particles of Matter will attract each other
• small in size

2)SI Unit of volume it is measured in cubic meter or m3

SI unit of pressure: Pascal

SI unit of weight: newtons

hope this helps......... :)