Education Technology

Forensics with TI-Nspire™ - Case File: Dropped at the Scene

Activity Overview

This lab introduces students to the science behind blood spatter analysis. It also provides an opportunity for students to explore curve fitting and can extended to use r2 values (optional) to determine the most appropriate curve fit for the data set.


  • Determine the height of a source of blood spatters or drops
  • Graph data to find quantitative relationships
  • Create a standard reference curve for comparison with unknown data

About the Lesson

  • In this data-gathering activity, students will determine the height of a source of blood spatters or drops.
  • 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.