3537308
9780912511160
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.Barber, Jacqueline is the author of 'Crime Lab Chemistry' with ISBN 9780912511160 and ISBN 0912511168.
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