KS3 ChemistryF4 - FirefightingForm Group 1G16th January 2007

Starter Activity...

F4 - FirefightingTrue or False?False

True

True

The air...NitrogenoxygenCarbon dioxideOther gasesF4 - Firefighting

Investigation work

Candle in a jarHow different sized jars affect how long it takes for a candle to go out?F4 - Firefighting

Fire Triangle

Class Notes...1 Combustion or burning is a chemical reaction that uses up oxygen and fuel.

2 The three ways of putting out a fire are:

Remove the fuel.Remove the oxygen.Cool it down so there is enough energy to start the next bit of fuel burning.F4 - Firefighting