What are the steps of the scientific method? correct answers1. Ask a
Question
2. Do Background Research
3. Construct a Hypothesis
4. Test Your Hypothesis by Doing an Experiment
5. Analyze Your Data and Draw a Conclusion
6. Communicate Your Results
What does the term forensic mean? correct answersThe application of
science to the law
Why is it important for investigator's to secure a crime scene? correct
answersYou secure the scene so your evidence won't be tampered with
What are the different kinds of search patterns and when is it appropriate
to use each one? correct answersGrid- good for searching large areas
Linear- used to find a particular piece of
evidence Spiral- When there is only one CSI
at the scene Quadrant/zone- covering the
entire area
What are the three layers of the hair shaft? Which part of the hair can be
analyzed for DNA? correct answersMedulla- The innermost layer of the hair
shaft
Cortex- The middle layer of the hair
shaft Cuticle- The outermost layer of
the hair shaft
Root- The part of the hair that can be
analyzed for DNA
What are cuticle scales? What is the pattern that they exhibit? correct
answersThe outermost layer of the skin of vertebrates; epidermis. The
pattern they exhibit is overlapping scales.
What is the difference between class evidence and individual evidence?
correct answersClass evidence can be tied to a particular group while
individual evidence can lead to a specific person or thing.
What are the different types of patterns that the medulla can exhibit? What
do they look like? correct answersContinuous- is a straight line
Fragmented- long lines
separated Interrupted- short
lines separated
What is the proper way to obtain a sample of hair from a suspect? What part
of the hair do you want to make sure is obtained with the sample? Why
should you obtain a larger