Description

In this hands-on kit students explore the science behind
this “magic”. They compare the pH of the solution in the
magic wand to solutions of known pH; determine whether
the magic solution is acid or base; create and compare
chromatograms of treated and untreated marker ink and
more. Developed by Tim Graham. Grades 7-11.
Includes:
Crayola Changeables Markers, chromatography paper,
pH paper, Na2SO3, isopropyl alcohol, HCI, NaOCI, NaOH,
swabs, index cards, instructions.