Science

• Forensic science is the application of science to the investigation of crime in a judicial setting
• A crime is a violation of the law, a violation of the rights of others, or a violation of social norms.
• The difference between a violent crime and a property crime is that a violent crime is an act of violence against a person, while a property crime is an act of violence against property.
• locards exchange principle is that the transfer of microbes from one person to another is by direct contact
• three things to consider when collecting evidence are: the type of evidence, the source of the evidence, and the reliability of the evidence
• Do an individuals finger prints change during their lifetime?

  No. except for scars or injuries affecting the print.
• Fingerprints appear in different shapes on fingerprint analysis cards because?

  of how well it was taken - if it was rolled or pushed down
• What is the best surface to collect fingerprints on?

  Non-porous surfaces
• What is the difference between a latent print, a visible print and a plastic print?

  Latent print: Invisible to the naked eye, requires development techniques. Visible print: Can be seen without enhancement. Plastic print: Three-dimensional impression left in a soft material.
• What is a questioned document?


   A document, usually related to matters involving criminal or civil litigation, in which the originality, authenticity or background is disputed.
• Identify three features of a hand writing sample that can be used to determine authenticity?

  1. Pen pressure 2. Stroke consistency 3. Letter formation
• Outline how an impression analysis may be used to determine the origin of a ransom note?

   can help link a suspect or tool to a particular crime scene.
• List three security features of an Australian bank note?

  -UV images and words, holographic images, fine writing
• Rf value is distance travelled by component / distance travelled by solvent front
• What is the composition of a medication?

  a combination of active and inactive ingredients.
• What does A T C and G stand for

  Adenine Guanine Thymine and Cytosine