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Product 13065

By: The Flinn Staff

With the Flinn Forensic Files Finding Evidence in Fibers Laboratory Kit, perform burn and microscopy analysis on six known fiber types, compare their results and determine if there is a match.

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Imagine being a detective, sifting carefully through a crime scene, hoping to find any evidence that will link a suspect to the scene. A single thread from the perpetrator’s clothing can be enough to do the trick! Students perform burn and microscopy analysis on six known fiber types and compare their results to the fiber found at the crime scene. But that’s not all! Once the evidence fiber is identified, students determine if it matches a garment disposed of across town by a suspicious-looking man—bringing them one step closer to determining the identity of the criminal in the Flinn Forensic Files Series!

Complete for 30 students working in pairs

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Analyzing and interpreting data
Constructing explanations and designing solutions
Developing and using models
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Structure and function

Performance Expectations

MS-PS1-2: Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS1-3: Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.
HS-PS2-6: Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.