How do we really know how a candle works? - PowerPoint PPT Presentation

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How do we really know how a candle works? PowerPoint Presentation
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How do we really know how a candle works?

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How do we really know how a candle works?
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How do we really know how a candle works?

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  1. How do we really know how a candle works? Goal: Be able to… 1) use the scientific method 2) identify a physical vs. a chemical change

  2. What is a candle made of? 1) 2)

  3. What does a candle look like… • Before burning? • After burning? • After extinguishing?

  4. What happens when a candle burns? • Physical change • Chemical change

  5. Okay, so you can read a book – where’s your evidence? • Experiment 1

  6. Experiment 2

  7. Experiment 3 Experiment 4

  8. Experiment 5 (Units!!)