1. Science practice and materials. Students will do and activity “Oobleck –what scientists do?”Oobleck is a green, oozy substance (from “outer space,” in this fictional account) that both begs and eludes description as it initiates students in the nature of inquiry and definition and sparks vigorous debate about its properties.
2. Students will be challenged to determine which of several black pens was used to write a ransom note. They will explore the concepts of solubility, pigments, and separation of mixtures as they use chromatography to ferret out the culprit.
