Education Technology

Forensics Case 7 - Drug Tests: Identifying an unknown chemical

Subject Area
Science: Forensics: Data Analysis
Level
9-12
Activity Time
60 Minutes
Software
TI Connect™
TI Connect™ CE
TI Calculator
TI-84 series
Accessories
Sensor - Conductivity
Sensor - pH
Other Materials
  • Vinegar
  • 5 known and 1 unknown "drug" samples of 4 g of each
  • Distilled or deionized water
  • Spoons and/or weighing paper
  • Filter paper
  • Six 50 mL beakers
  • Stirring rod
  • Disposable pipettes or droppers
  • Wash bottle with deionized water
  • Magnifying glass
  • Balance
  • Lint-free tissues
  • Goggles
Resource Types
Lessons
Data Collection

Forensics Case 7 - Drug Tests: Identifying an unknown chemical

Activity Overview

In this activity, students distinguish between physical and chemical properties. They also understand the differences between qualitative and quantitative observations. They use quantitative and qualitative analyses to identify an unknown powder.

Subject Area
Science: Forensics: Data Analysis
Level
9-12
Activity Time
60 Minutes
Software
TI Connect™
TI Connect™ CE
TI Calculator
TI-84 series
Accessories
Sensor - Conductivity
Sensor - pH
Other Materials
  • Vinegar
  • 5 known and 1 unknown "drug" samples of 4 g of each
  • Distilled or deionized water
  • Spoons and/or weighing paper
  • Filter paper
  • Six 50 mL beakers
  • Stirring rod
  • Disposable pipettes or droppers
  • Wash bottle with deionized water
  • Magnifying glass
  • Balance
  • Lint-free tissues
  • Goggles
Resource Types
Lessons
Data Collection
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