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This Chalk Chromatography lesson plan also includes:
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Your chemistry class is sure to love this experiment on column chromatography, as demonstrated with chalk sticks and felt tip markers. Pupils use sidewalk chalk (another inexpensive form of chalk stick) to demonstrate adsorption and the capillary effect. The results will amaze emerging chemists as this experiment is dependent on many factors, which are thoroughly discussed in the lesson.
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CCSS:
Adaptable
NGSS:
Adaptable
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Classroom Considerations
- Make certain alcohol is disposed of properly
- Ensure safety protocols are taken during the entire experiment
Pros
- Common materials, such as chalk and felt tip markers, are used in the experiment
Cons
- Contains poisonous substances and must be conducted in a well-ventilated area
- Supervision is extremely important during the experiment