Chapter 13//Vocab

Front

Definition of Amorphous

Back

Without shape or form; in glass, particles are arranged randomly.

Front

Definition of Silicon Dioxide:

Back

(SiO2) chemical name for silica

Front

Definition of Becke line:

Back

Line where refracted light concentrates around glass edges.

Front

Refractive Index:

Back

Measure of how light bends between substances.

Front

Definition of Density

Back

Ratio of mass to volume: density = mass/volume

Front

Definition of Refraction

Back

Change in light direction as it speeds up or slows down between substances.

Front

Definition of Glass:

Back

A hard, amorphous, transparent material made by heating a mixture of sand and additives.

Front

Definition of Obsidian:

Back

Volcanic glass.

Front

Definition of Leaded Glass

Back

glass containing lead oxide

Front

Definition of Normal Line

Back

A line drawn perpendicular to the interface of two different media.