With the case's criminals still at large, your students must determine the identity of the white powder found in their abandoned truck.
During this lab, students will do several presumptive tests on an unknown white powder. Following the presumptive tests, students will see how confirmatory drug tests are run in a police lab using gas chromatography-mass spectrometry (GC-Mass Spec). Students will then receive and analyze the data from the confirmatory drug test.
As in all Lyle and Louise modules, this kit is geared to high school and undergraduate courses, and is matched to National Science Education Standards. This kit is designed for 6 labs groups (up to 30 students).
Next Generation Science Standards
MS-PS1-1. Develop models to describe the atomic composition of simple molecules and extended structures.
MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
Common Core Standards
CCSS.Math.Content.HSN-Q.A.1 Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.
CCSS.Math.Content.HSN-Q.A.3 Choose a level of accuracy appropriate to limitations on measurement when reporting quantities.