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Learning Object
Angles of Impact (Screencast)
This screencast, we see how the shape of a stain defines the angle of impact. In general terms the more circular the stain, the more perpendicular will be the angle at which it struck the surface. The more elliptical the shape of the stain, the more acute the angle will be. With practice and experience, the analyst can recognize the general angle of impact based solely on the shape of the stain.
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angle, Angle of impact, d, impact, stain, surface
Choosing the Right Fire Extinguisher
Explore the different types of fires and the extinguishers used for each type.
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fire classes, fire extinguisher, fire safety
Directionality and Amount of Broken Glass (Screencast)
Visualizes direction and quantity of glass particles as the glass is impacted by a force.
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Broken Glass, Glass Particles
Distance Fallen vs. Stain Diameter (Screencast)
Learners observe how a blood drop in flight continually accelerates and increases in velocity over time. As the drop falls, resistance accumulates. The increase in stain diameter relative to distance of a typical 50 ml drop of blood is represented here. This activity has audio content.
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Blood, forensic, Forensics, friction, gravitational Acceleration
Documentation of Bloodstain Evidence (Screencast)
Students will learn how to document bloodstains using roadmapping equipment materials
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Bloodstain, Documentation, Materials, Roadmapping
Forensic Lamp Examination (Screencast)
This learning object is designed to assist students in understanding and interpreting collision evidence found in automotive lamps. In particular, the concepts of Hot Shock, Cold Shock, Hot Break, and Cold Break will be visually addressed.
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Cold Break, Cold Shock, Crash, Evidence, filament, Hot Break, Hot Shock, Lamp
Formation of Radial and Concentric Fractures in Glass (Screencast)
in this screencast, learners examine the formation of radial and concentric fractures as an object breaks a pane of glass.
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Concentric fracture, forensic, glass, gunshot, Radial fracture
Incident Report
Learners write an account of a workplace incident and evaluate statements for objectivity.
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accidents, injuries, judgments, liability, objective
Passenger Vehicle ACMs and PCMs
Video based Learning Object showing passenger vehicle and light duty truck Event Data Recorders (Airbag Control modules and Powertrain Control Modules).
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ACM, Airbag Control Module, EDR, Event Data Recorder, PCM, Powertrain Control Module
Seatbelt Evidence
This Learning Object is designed to identify the various components of a vehicle's seatbelt system, and to show evidence of seatbelt use following a collision.
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seatbelt