Chemistry Terms
The smallest unit of an element.
What is an atom?
This type of glass is common in windows and bottles.
What is float (or soda-lime) glass?
The protective scale structure covering the exterior of the hair shaft.
What is the cuticle?
This is the most prevalent type of plant fiber.
What is cotton?
Responsible for 40 murders, he operated initially in the Pacific NW and was known for returning to his victim's bodies.
Who is Ted Bundy?
Mass of a substance per unit volume.
What is density?
This type of glass is found in windshields.
What is laminated glass?
What is the medulla?
This was the first man-made fiber.
What is rayon?
She was accused of killing her daughter after her mom reported the child missing, claiming that the car smelled of death.
Who is Casey Anthony?
A type of property that is not dependent on the size of an object.
What is an intensive property?
This type of glass dices into small squares, rather than shattering, making it ideal for vehicle side windows.
What is tempered glass?
The phase of hair growth most likely to yield nuclear DNA if removed.
What is the anagen phase?
This is the term for the difference between two refractive indices, a characteristic of synthetic fibers due to their crystalline nature.
What is birefringence?
This is the name of the serial killer who operated in Atlanta, GA but was eventually convicted based on fiber evidence.
Who is Wayne Williams?
The ratio of the speed of light in a vacuum to its speed of light in a given substance.
What is refractive index?
A method used to determine the density of glass samples, it involves placing the sample in a liquid and adjusting the composition until the sample remains suspended.
What is the flotation method?
The name of the phenomenon that allows scientists to determine whether hair was removed postmortem.
What is root banding?
This is the name for the warp vs. fill yarn measurement in duct tape.
What is scrim count?
This man was convicted of killing his wife and children in their Fort Bragg residence.
Who is Jeffrey MacDonald?
The separation of light into its component wavelengths.
What is dispersion?
Write out the 3R rule.
What is "radial cracks form a right angle on the reverse side of force"?
This type of analysis could tell us where someone lived geographically based on the consumption of water.
What is stable isotope analysis?
Name one of two methods used to determine the dye composition in fibers.
What is visible-light microspectrophotometry or chromatography?
The name of the case in which five teenage boys were convicted with a rape and assault that they did not commit, based on hair evidence.
What is the Central Park Jogger case?