WorksheetsExploring Trace Evidence
Total questions: 1
Worksheet time: 10mins
1-10.
Answer the questions below after watching the video
Who introduced the concept of trace evidence?
Isaac Newton
Marie Curie
Albert Einstein
Professor Edmond Locard
What is the first step in gathering trace evidence from clothing?
Chemical analysis
Visual inspection
Washing the item
Scanning with a microscope
What can be an example of trace evidence?
A single hair
A sound recording
A piece of paper
A digital file
What type of material can be analyzed in trace evidence?
Neither synthetic nor natural materials
Only synthetic materials
Only natural materials
Both synthetic and natural materials
What is gunshot primer residue testing associated with?
Explosive residue analysis
Wood and plant material examination
Firearm discharge examination
Paint analysis
Which microscope can magnify items up to 300,000 times their normal size?
Polarizing microscope
Phase-contrast microscope
Fluorescence microscope
Scanning electron microscope
What does a comparison microscope do?
Compares known samples with evidence side-by-side
Magnifies items up to 300,000 times
Identifies chemical ions in debris
Detects sound waves
What kind of evidence can a polarizing microscope help analyze?
Temperature changes
Fibers and crystals
Digital data
Sound recordings
What is the purpose of using a fluorescence microscope in trace evidence analysis?
To observe materials that fluoresce
To magnify items significantly
To identify chemical ions
To compare evidence side-by-side
Which instrument is used to identify chemical ions in debris?
Ion chromatograph
Fluorescence microscope
Comparison microscope
Scanning electron microscope
