Air & Burning

03 October, 2011

CMACCK Secondary School Science 2D

• Burning is a chemical reaction between a fuel and oxygen.

Conditions for Burning

Remember4

fuel + oxygen high temperature carbon dioxide + water + *energy

*energy (heat and light)

Putting out a Fire

HOW ?

Putting out a Fire

• A fire will go out if any one or more of the conditions in the fire triangle is removed.

• Fire Extinguishers• Sand• Fire Blanket• Fire Beater

Putting out a Fire

Putting out a Fire

Method Working principle

the high temperature (and oxygen)

1 Spray the buildings on fire with water.

Removing ____________________________ from the fire triangle.

Putting out a Fire

Method Working principle

2 Cover the fire with sand.

Removing the oxygen from the fire triangle.

Putting out a Fire

Method Working principle

3 Cover the fire with a fire blanket.

Removing the oxygen from the fire triangle.

Putting out a Fire

Method Working principle

4 Hit the fire with a fire beater

Removing the oxygen from the fire triangle.

Putting out a Fire

Method Working principle

5 Clear a strip of vegetation to make a fire break .

Removing the fuel from the fire triangle.

Putting out a Fire

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Videos on YouTube

• http://bit.ly/nNNTWz• http://bit.ly/qwCX2D