1. UNIT 1: Introducing science
Topic :BUNSEN BURNER.
Sub-topic : LABO GAS.

2. Students should be able to:
OBJECTIVES:
Students should be able to:
Draw a labo gas
Identify the different parts of bunsen burner and labo gas
State the functions of these different parts
Carry out the proper technique of lighting a labo gas.
Differentiate between luminous flame and non-luminous flame.

3. Proper technique of lighting a Labo gas.
Close the air hole by adjusting the collar.
Light a match. Hold it over the chimney.
Turn on the gas knob (tap) slowly.
Open the air-hole for heating object.

4. SAFETY FIRST!
1. Always close the air hole before you light the burner/labo gas.
2. When you are not heating anything, close the air hole
3. Turn off the burner when an experiment is finished.

5. DO NOT PLAY WITH FIRE!

6. DO NOT POINT IT TO YOUR FRIEND!

7. Air-holes Flame Colour of the flame Luminousity Degree of hotness
Heating
Close
Unsteady, sooty
Yellow/orange
Luminous
Not very hot
Unsuitable
Open
Steady, non-sooty
Blue
Non-luminous
Very hot
suitable
Luminous flame Non-luminous flame