The Fire Triangle

What is air?

• A gas
• A mixture of gases
• Oxygen

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the gas in air that helps think to burn?

• Oxygen
• Nitrogen
• Carbon dioxide

Tags

NGSS.MS-PS1-5

What gas is made when we burn things?

• Oxygen
• Air
• Carbon dioxide

Tags

NGSS.MS-PS1-5

What three things are needed to have a fire?

• Oxygen, heat and fuel
• Oxygen, fire and water
• Oxygen, fuel and coal

If a person was on fire, what might you use to put it out?

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What type of fire extinguisher would you use on a petrol fire?

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• 

Fire needs heat, fuel and oxygen to burn

(a)  

Answer explanation

Fire needs HEAT, FUEL and OXYGEN to burn.

Combustion is a scientific word for:

• exploding
• burning
• evaporating
• getting hotter

Tags

NGSS.MS-PS1-5

What does this hazard symbol warn of?

• the substance is explosive

• the substance burns easily

• the substance supplies oxygen to fires

• the substance puts out fires

Why should you not add water on burning oil?

• It makes the fire explode and spread.

• It puts the fire out too quickly

• Water does not put out fires

• It takes too long to put out the fire