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Innovating Science® - Small Group Learning: Forensic Chemistry of Unknown Substances

Small Group Learning: Forensic Chemistry of Unknown Substances


Product # IS9006-SGL

Often times, when collecting evidence at a crime scene, investigators may recover substances they are unable to identify in the field. Along with evidence such as fingerprints, hair, fibers, etc., there may be traces of unknown chemicals or powders left behind by the perpetrator or perpetrators. Evidence of this nature is sent to the crime lab for identification. In this experiment, you will use your observation skills, senses, and chemical tests on a series of known substances as well as two unknown substances. You will then attempt to identify the mystery substances based on your observations and recorded data. This activity includes a Teachers Manual and Student Guide and Analysis copymasters. There is enough material for 5 groups.

Aligned to the Next Generation Science Standards (NGSS)*

Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: MS-PS1-2
Cross Cutting Concepts: Patterns
Engineering Practices: Analyzing and Interpreting Data

Kit Includes:
10 Reaction Plates
10g Baking Powder
10g Baking Soda
10g Corn Starch
10g Talcum Powder
10g Salt
10g Gelatin
10g Mystery Substance #1
10g Mystery Substance #2
10mL Biuret Reagent
10mL Dilute Lugol's Iodine
10mL Acetic Acid

DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only

*"Next Generation Science Standards" is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.

WARNING: This product can expose you to chemicals including Respirable crystalline silica, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.

Innovating Science® products are For Laboratory Use Only




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