Forensic Science Test Review for Paint, Soil and Glass

Name: ______Class: ______Date: ______

Forensic Science Test Review for Paint, Soil and Glass

1.  List some items that are considered trace evidence. ______

2.  What are the most common paint layers called?

3.  How many paint layers do automobiles have?

4.  Describe/define all the paint layers for automobiles.

5.  What is the most important instrument for analyzing paint chips?

6.  What type of evidence is paint?

7.  In what way would paint be considered individual evidence?

8.  What is the best way to characterize soils? ______

9.  Do any materials in soil fluoresce? (glow) ______

10.  Is fluoresce considered individual evidence? ______

11.  Is soil considered class or individual evidence most often? ______

Why? ______

12.  How can magnets help when identifying soil? ______

13.  What is the definition of confirmatory test? ______

14.  What are physical and chemical properties? Give examples of each.

15.  How do you know if a chemical reaction has taken place? ______

16.  When used as evidence, how is soil analyzed? ______

17.  Define density: ______

18.  What does a topographic map show? ______

19.  What is glass primarily made of? ______

20.  What are some physical properties of glass? ______

21.  What are the main 5 different types of glass?

22.  How is each of the 5 types of glass made?

23.  How is each type used?

24.  When can glass evidence be considered individual evidence? ______

25.  If the Becke line disappears, we call it ______

26.  If an object floats in a liquid, the density is (more, less) than the density of the liquid. If an object sinks in a liquid, the density is (more, less) than the liquid.

27.  What side of a bullet hole in glass is larger? ______

28.  Define glass: ______

29.  What is the refractive index? ______

30.  What is the Becke line? ______

31.  What is an exemplar? ______