Crime Scene Evidence Teacher Sheet

Crime Scene Evidence Teacher Sheet


In this part of the lesson, students use the Take the Case interactive to collect and analyze evidence from a crime scene. They should answer the questions on the Crime Scene Evidence student sheet as they go through the Crime Scene part of the interactive. This sheet provides you with some answers to the questions.

What is the Rule #1 of good detective work?
Always consider the simplest explanation first.

What is the Best Evidence Rule?
It’s always best to have the actual evidence to study in the lab and to present in court.

What determines how finger or palm prints are collected?
The type of surface the print is on.

What types of physical evidence are found at this crime scene?
Footprint, wall damage, fuzz balls, finger/palm print, shards of glass, paint chips, gum.

How is the shoe impression in the mud collected?
It is collected by making a mold of the footprint using some dentist cement.

What is the first thing the detectives do with each piece of evidence?
They photograph it, take notes, and make sketches.

What are some other steps the detectives take to ensure the chain of custody?
They seal the evidence in a container and label it.

What is circumstantial evidence? What is an example of circumstantial evidence?
It is evidence you can use to make a guess about what happened at the crime scene. The dusty show impression is an example of circumstantial evidence.

What is direct physical evidence? Give an example.
It is evidence like the broken glass. You can use it to learn definite facts about what happened at the crime scene.

What is trace evidence? Give an example of trace evidence.
It’s very small evidence, sometimes not visible by the naked eye. Tiny microscopic fibers from clothing can be considered trace evidence.

This teacher sheet is a part of the Take the Case: Chain of Evidence lesson.

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