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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?. Goal: Be able to… 1) use the scientific method 2) identify a physical vs. a chemical change. What is a candle made of?. 1) 2). What happens when a candle burns?. Physical change Chemical change. - PowerPoint PPT Presentation

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Page 1: How do we really know how  a candle works?
Page 2: How do we really know how  a candle works?

How do we really know how a candle works?

Goal: Be able to… 1) use the scientific method2) identify a physical vs. a chemical change

Page 3: How do we really know how  a candle works?

What is a candle made of?

1)

2)

Page 4: How do we really know how  a candle works?

What happens when a candle burns?

• Physical change

• Chemical change

Page 5: How do we really know how  a candle works?

Okay, so you can read a book – where’s your evidence?

• Experiment 1

Page 6: How do we really know how  a candle works?

Experiment 2

Page 7: How do we really know how  a candle works?

Experiment 3

Experiment 4

Page 8: How do we really know how  a candle works?

Experiment 5

(Units!!)