UNIT – 6 : Combustible and flame : aim ,concept,PROCEDURES and OBSERVATION.

 

 

UNIT – 6 : Combustible and flame

ACTIVITY= Combustible and Noncombustible substances

AIM = Combustible and Noncombustible substances

CONCEPT= A  chemical process in which a substance reacts with oxygen to give off heat is called combustion.

PROCEDURES=

1.       Collect some materials like straw , matchsticks ,kerosene oil , paper , iron nails , stone pieces , glass , etc.

2.       Under the supervision of your teacher try to burn each of these materials one by one .

3.       If combustion takes place mark the material combustible, otherwise mark it as non-combustible(table).

 

Table combustible and non combustible  substance.

try this by your own knowledge.

Material	combustible	Noncombustible
Wood
Paper
Iron nails
Kerosene oil
Straw
Charcoal
Matchsticks
Glass
Stone piece

             

OBSERVATION: some materials are combustible and some are non combustible.