Combustion and Fire Extinguisher

Choose conditions need for combustion

• Air

• Oxygen

• Water

• Fuel

• Heat

Choose types energy that are produced after combustion

• Sound energy

• Light energy

• Heat energy

• Chemical energy

Match stick A : put in refrigerator

Match stick B : in room temperature

There are two match sticks use to light up fire. Which one will ignite?

• Match stick A

• Match stick B

Tags

NGSS.MS-PS1-2

Choose materials that classify as fuel

• Glass rod

• Candle

• Stone

• Wood

Combustion is a reaction that occurs when a substance is heated in the presence of carbon dioxide.

• True

• False

Tags

NGSS.MS-PS1-5

A candle can burns longer if it has bigger amount of oxygen.

• True

• False

Choose the correct types of fire extinguisher for gas like propane and methane

• Foam

• Dry powder

• Water

• Dry sand

• Carbon dioxide

Choose the correct types of fire extinguisher for metal like potassium and magnesium.

• Dry powder

• Carbon dioxide

• Foam

• Dry sand

• Water

Choose the correct types of fire extinguisher for solid material like wood and paper.

• Water

• Foam

• Dry powder

• Carbon dioxide

Fire blanket and wet sack is examples of material that use to extinguish fire by remove one condition needed in combustion. What is the condition?

• Heat

• Fuel

• Oxygen