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SAI INTERNATIONAL SCHOOL
Subject–Chemistry
Class – VIII
Topic – Combustion and Flame
CONCEPT MAP
Content Mapping
• Combustion • Combustible substances.
• Non-combustible substances.
• Conditions necessary for • Fuel.
combustion • Oxygen.
• Ignition temperature.
• History of the matchstick.
• How do we control fire? • Remove the fuel.
• Remove the heat.
• Cut the supply of air.
• Fire extinguishers.
• Types of combustion. • Rapid combustion.
• Spontaneous combustion.
• Explosive combustion.
• Fuels. • The calorific value of a fuel.
• Numericals.
• Characteristics of an ideal fuel.
• Flame. • Luminous flame.
• Non-luminous flame.
• Structure of a flame.
• Effect of burning of fuel.
• Greenhouse effect and global warming.
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