Glass Crossword

Transparent material made by heating a mixture of sand
Glass containing lead oxide
The line created as refracted light becomes concentrated
The ratio of the mass of an object to its volume
Without shape or form; applied to glass
Volcanic glass
The most common glass-inexpensive and easy to melt and shape
Glass which is strengthened by introducing stress through rapid heating and cooling of the surface
Two sheets of ordinary glass bonded together with a plastic film
A crack in the glass that extends outward like the spoke of a wheel from the point at which the grass was struck
A crack in the glass from a rough circle around the point of impact
The change in the direction of light as it changes speed when moving from one substance into another
A measure of how lights bend as it passes from one substance to another
The chemical name for silica
is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.
polariser is an optical filter that lets light waves of a specific polarization pass and blocks light waves of other polarizations.
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
of an object or substance) having a physical property that has a different value when measured in different directions. A simple example is wood, which is stronger along the grain than across it.
a process in which gases expand or travel in a direction opposite to the usual one, especially through escape of pressure or delayed combustion.
an apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances.