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Forensics: Forensics with TI-Nspire™ - Case File: No Dumping

by Texas Instruments - Data Collection with Probes Lesson

Objectives

  • Identify characteristics of different soils to demonstrate that a suspect has been at a scene.
  • Use characteristic properties to identify a soil sample.
  • Measure the pH of soils.
  • Measure the water absorbency of soils.
  • Measure the conductivity of soils.

About the Lesson

  • In this data-gathering activity, students will identify characteristics of different soils to demonstrate that a suspect has been at a scene and use characteristic properties to identify a soil sample.
  • This lab requires teacher preparation of the soil samples prior to class.
  • Students will collect data using the Vernier EasyLink™ or TI-Nspire Lab Cradle along with the Vernier pH Sensor and Vernier Conductivity Probe
  • The student activity sheet and .tns file contain the complete instructions for data collection. All assessment questions are also included in both places giving you the flexibility to either collect the .tns files with student data/answers (using TI-Nspire Navigator) or the student activity sheet.

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