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CSI Salt Lake - PowerPoint PPT Presentation


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Amber Alert!!! A 5-year-old girl has been kidnapped from her bed during the night. The police’s only clue is a ransom note left on her bed side table. It is your job to find out which pen wrote the note so the police can test it for fingerprints. CSI Salt Lake. Collect Materials!.

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csi salt lake

Amber Alert!!! A 5-year-old girl has been kidnapped from her bed during the night. The police’s only clue is a ransom note left on her bed side table. It is your job to find out which pen wrote the note so the police can test it for fingerprints.

CSI Salt Lake

1 coffee filter all of the suspected pens with labels a cup of water scissors the evidence slip
1 Coffee Filter

All of the suspected pens with labels

A cup of water

Scissors

The evidence slip

You will need…

pause write in your science journal
Pause! Write in your Science Journal!
  • Why do you think the marker separates on the coffee filter?
pause think and write
Pause! Think and Write:
  • Which pen do you think it is?
  • Do you need to run more tests?
    • How would you run them to get better results?
  • How would you have done the experiment differently?
which one was it
Which one was it?
  • Rather than tell you, I want you to completely draw your own conclusions.
  • Why? Because as a CSI investigator, you need to make your best guess and stand by it.