📐 Class 8 Candle Flame Diagram

Class 8 · Interactive 3D Science Laboratory

3D LAB MODEL
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🔬 Anatomical Part

📝 Function

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About Class 8 Candle Flame Diagram

A candle flame is a visible example of combustion, with distinct zones of temperature and chemical activity. This model labels its dark zone, luminous zone, and outer non-luminous zone.

Why It's Important

  • Demonstrates the basic chemistry of combustion
  • Shows how fuel, heat, and oxygen interact
  • Explains why flames glow and produce light
  • Introduces concepts used in engines and cooking

Observation Points

  • Compare the colour of the three flame zones
  • Consider which zone is actually hottest
  • Notice how the wick draws melted wax upward
  • Identify where combustion is most complete

Learning Objectives

  • Identify the three zones of a candle flame
  • Explain why the outer zone is hottest despite being least visible
  • Describe the role of the wick
  • Understand the basic chemistry of combustion

Summary

A candle flame's three zones -- dark, luminous, and non-luminous -- trace how wax vapour burns in stages, with the least visible outer zone actually burning the hottest.

Main Parts

PartFunction
WickDraws melted wax upward
Dark ZoneUnburned wax vapour, coolest zone
Luminous ZonePartial combustion, produces light
Non-Luminous ZoneComplete combustion, hottest zone

How It Works

Heat melts wax, which rises up the wick
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The wax vapourises near the flame
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It burns in stages across the three zones
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The outer zone, with the most oxygen, burns hottest

Explore the 3D Model

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  • Toggle Labels to show or hide the numbered markers, then click any label to read what that part does.
  • If available, try Advanced Labels, Exploded View, or Cross-Section in the toolbar for a deeper look at how the parts fit together.
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