Monday, November 14, 2011

Types of Fingerprints

There are three types of fingerprints - direct, latent, and plastic!

Direct Prints - A person leaves a direct print when they have something on their hands, like blood or paint, and touches something. The fingerprint is transfered to the material and sticks their through the liquid.

Plastic Prints - A plastic print occurs when you press your finger into a substance such as clay or paint and you leave your print behind. This is the type of print that the ancient cultures of Bayblon and China utilized instead of signatures.

Latent Prints - Latent prints are the most common type of prints. Whenever you touch something - it could be anything - you leave behind your fingerprint because of the oil on your skin. Although most of these prints are invisible to the naked eye, they are always there!

Direct Fingerprint - left behind because of paint on somebody's hand

2 comments:

  1. Nice job, it's formated really nice and the picture shows a great example of a direct fingerprint. (:

    ReplyDelete
  2. i think it would be better if oyu got a picture of all the types of fingerprints to really help the reader when they are reading the post

    ReplyDelete