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In the Flinn Forensic Files™ Ballistics Laboratory Kit, use simulated bullet holes, footprints, and trigonometry to calculate the height of three suspects involved in a home burglary.

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Marty Higgins has just experienced one of the most terrifying nights of her life! First she walks in to find her home being burglarized and then has a gun fired in her direction! Police have found an abandoned warehouse that they believe has been used by three potential suspects for target practice. By using simulated bullet holes, footprints, and trigonometry, students calculate the height of the three suspects. This information is then compared to the calculated height of the shooter in Marty Higgins’ home to determine if the same person who burglarized her home had been practicing shooting skills in the warehouse. Kit includes a tape measure, three copies of each of the three bullet holes, and three copies of each of the three footprints. Complete for nine groups of students. One tape measure is included for activity set up. Additional tape measures are required and available separately.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Using mathematics and computational thinking
Obtaining, evaluation, and communicating information
Developing and using models
Analyzing and interpreting data

Disciplinary Core Ideas

HS-PS2.A: Forces and Motion

Crosscutting Concepts

Patterns
Cause and effect
Systems and system models

Performance Expectations

HS-PS2-1. Analyze data to support the claim that Newton’s second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.