Chromatography - Color Clues

Curated and Reviewed by Lesson Planet
This Chromatography - Color Clues activity also includes:

Here's an activity that will change how one sees color. Pupils try out an experiment on chromatography where they place a drop of food coloring on a coffee filter, add several drops of water, and watch the colors spread and separate. They then repeat the process using salt water.

1 Collection 16 Views 10 Downloads NGSS: Adaptable
Instructional Ideas
  • Have learners try out different inks
Classroom Considerations
  • Activity requires coffee filters, green food coloring, cups, cotton swabs, salt, and water
  • Prior knowledge of chromatography is not necessary
  • Directions are easy to follow
  • Includes a printable handout
  • None