Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Forensics 5&13
Final questions
| Question | Answer |
|---|---|
| Paint as physical evidence is most frequently encountered in | burglary and hit and run |
| which property imparts paint with its most distinctive forensic characteristics | color-layer sequence |
| what is the main ingredient in ordinary glass | sand |
| Tempered glass is used in | the side and rear windows of autos manufactured in the United States |
| Flotation is a method used by scientists to determine the ____ of a particle of glass | density |
| which is a true statement about the fracturing of glass? | radial cracks appear first, starting on the side opposite the destructive force. |
| The fracture pattern of glass usually has | radial and concentric lines |
| what is the logical first step in soil analysis | comparison of dried soil sample for color and texture |
| automobile finishes typically contain which layers | an electrocoat primer, colorcoat, and clearcoat |
| Pyrex glass | is made with the addition of boron oxide |
| if an object is immersed in a liquid of greater density, it will | float |
| the process of a glass prism separating sunlight into component colors is called | dispersion |
| the refractive index of a substance varies woth | temperature, color of light passing through, wavelength of light passing through |
| a(n)____property describes the behavior of a substance without reference to any other substance while a(n)___ property describes the behavior of a substance when it reacts or combines with another substance | Physical;Chemical |
| the basic metric unit for volume is the | liter |
| color and texture comparisons cannot be made on samples until they are all __ with identical laboratory procedures | dried |
| naturally occurring crystals commonly found in soils are | minerals |
| the fracture lines radiating outward from a crack in glass are known as ___ fractures | radial |
| Glass fracture lines that encircle the hole in the glass are known as __ fractures | concentric |
| The examinatio of a paint chip found on a hit and run victim's garment side by side with paint removed from a vehicle suspected of being involved in the incident is an example of | comparison |
| when a forensic analyst determines the chemical composition of preparations that may contain illicit drugs such as heroin, cocaine, or barbiturates, this is an example of | identification |
| evidence with individual characteristics can lead to a determination of common origin (single source). Which type of evidence cannot yield such results | single layer paints |
| the corroborative use of physical evidence means that it can be used to | provide a lead to give the investigation direction |
| forensics databases are maintained for all of the following except: | dental impressions |
| the combined DNA Index System (CODIS) became fully operational in what year? | 1998 |
| A component of the National Integrated Ballistics Information Network is Called | IBIS |
| The process by which the body temperature cools after death is known as | algor mortis |
| A forensic anthropologist may help to create a(n) ___ to help with the identification of the victim | facial reconstruction |
| A corps was discovered in an apartment last November. it was that of a 50 year old male who died of a heart attack. at the time of discovery, the body temperature was determined to be 89F. what is the most probable post mortem interval | 7 hours |
| The computerized database used to store DNA information is | CODIS |
| if the laboratory can piece broken glass from a window or headlight together, then the evidence has ___ characteristics | individual |
| the likelihood of finding class physical evidence is ___ the likelihood of finding physical evidence with individual characteristics | greater than |
| if an object is immersed in a liquid of greater density, it will | float |
| The refractive index of a substance varies with | temperature, color of light passing through, wavelength of light passing |
| What types of evidence would be expected to have trace elements | soil and gun primer particles, glass and metal objects, plant and bullet fragments |
| A compound microscope is equipped with two objectives lenses (10x and 45x) and has a 10x ocular lens. The highest magnification attainable with this instrument is | 450x |
| The number and type of tests needed to identify a substance must be sufficient to __all other substances from consideration | exclude |
| evidence associated with a group and not to a single sources is said to posses ___ characteristics | class |
| modern analytical techniques have become so sensitive that the forensics expert must be aware of the __ among materials when interpreting the significance of comparative data. | natural variates<<<(can't read his writing) |
Created by:
archesloopswhorls
Popular Science sets