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This Using Paper Chromatography lesson plan also includes:
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Through the analysis of paper chromatography to separate ink from the pen found at the crime scene, learners analyze the different stains and through calculations determine the thief.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Great lab for chemistry or forensic science classes
Classroom Considerations
- Takes 30-45 minutes for all of the dyes to separate, so set up quickly or complete the lab over two days
- May need to model one calculation for classes and then allow pupils to complete
- May be appropriate for some middle school classes based on their abilities
Pros
- Provides lots of information for teachers, from where to purchase chromatography paper to which pens work best
- Engaging lab for all participants due to the set up of a crime scene
- Provides all worksheets, keys, and information needed to complete the activity
Cons
- None