Front

Which of the following is not a common ingredient of glass? Silica (sodium dioxide), Carbon Dioxide, Calcium Oxide, Sodium Oxide

Back

Silica (sodium dioxide)

Front

What type of solid is seen in the picture? Options: Amorphous solid, Regular solid, Liquid, Gas

Back

Amorphous solid

Front

Refraction is the change in the direction of light as it changes ___ when moving from one medium into another.

Back

Speed

Front

Bits of glass can fly backwards. This is called:

Back

Backscatter

Front

Which of the following is the correct formula for calculating the density of glass? Options: D= m/V, D= V/m, D= m x V, D= 2mV

Back

D= m/V

Front

The earliest human-made glass objects date back to about ___ Egypt.

Back

2500 BC

Front

Which glass break was made first?

Back

A

Front

What type of fracture is this? Options: Becke, Conchodial, Concentric, Radial

Back

Radial

Front

What will NOT be visible if a glass and a liquid has the same refractive index? Options: Conchoidal Lines, Becke Lines, Fracture Lines, Radial Lines

Back

Becke Lines

Front

What is the 1st step for handling glass at a crime scene?

Back

Identify and photograph any glass samples before moving them.