Challenged to determine which of several black pens was used to write a ransom note, students in grades 4-8 learn and use paper chromatography, as they explore the concepts of solubility, pigments, and separation of mixtures. Several mystery scenarios are suggested, with intriguing characters. In a special "Going Further" activity, students use "candy chromatography" to solve an additional mystery.
|Publisher:||University of California, Berkeley, Lawrence Hall of Science|
|Series:||Great Explorations in Math and Science Series|
|Product dimensions:||2.68(w) x 10.72(h) x 0.18(d)|
|Age Range:||9 - 13 Years|