Fire Triangle Lesson Plan (2 of 6)

Part 2: Fire Triangle Activity (10 minutes)

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Part 2: Fire Triangle Activity (10 minutes)

  1. Have students observe the candle demonstration and record which part of the fire triangle is missing on their lab sheets.

  2. Using the candle, demonstrate that if any of the three sides of the fire triangle is broken, then there is no fire.

  3. Stare at the candle for a moment. Ask why it is not burning? What is missing from the fire triangle? (Heat)

  4. Light the candle. Place the jar over the candle. Wait until the candle goes out. Ask why the candle is no longer burning. What is missing from the triangle? (Oxygen)

  5. Light the candle again. Use scissors to cut the wick. What is missing from the fire triangle? (Fuel)

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