Matter Mystery
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What? So What? Now What?
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Baking Powder
Baby Powder
Home
Mystery Powder
Powder Testing Procedure
Puddle Analysis
Suspects
Ransom Note
The Window
Evidence Analysis
What? So What? Now What?
Video Rubric
Research
Baking Powder
Baby Powder
Mystery Powder
The criminal left a powdery mess on the kitchen counter. Can you identify the substance?
You will be provided with samples of four known substances:
* Baking soda
* Baking powder
* Powdered sugar
* Baby powder
1.
Test
each of the substances and record your results in the table below:
Click here for directions for testing powders
2. Using a clean Chemplate, test the mystery powder in the same way you did the four known powders and record your results in the table below:
3. Based on your observations, what substance is the crime scene powder? Explain your reasoning.
4. Which suspect(s) could possibly be implicated by this evidence? Why?