What does Locard's Principle of Exchange imply in forensic science?

Forensic Analysis Principles and Concepts

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Science, Biology, Other
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9th - 12th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objects remain unchanged over time.
Only similar items can be compared.
All objects are unique.
Every contact leaves a trace.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is credited with formulating the Principle of Exchange?
Sherlock Holmes
Edmund Locard
Edmund Lockhart
Ed Burn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Law of Progressive Change state?
Only similar items can be compared.
Everything changes with time.
Objects remain unchanged over time.
All objects are unique.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to preserve biological samples properly?
They remain unchanged over time.
They do not leave traces.
They are always unique.
They can degrade quickly if not preserved.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Principle of Comparison, what can be compared?
Any two objects
Only similar items
Objects that are unique
Objects with different characteristics
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of the Principle of Comparison?
Comparing a blood sample with a saliva sample
Comparing tool marks with bite marks
Comparing a blood sample with another blood sample
Comparing handwriting on paper with handwriting on a wall
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Law of Individuality state?
All objects are identical.
Every object is unique.
Objects can be duplicated.
Objects remain unchanged over time.
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