Glass Review

The basic metric unit for volume is the

• Mililiter
• kilogram
• liter
• centimeter

If an object is immersed in a liquid with a greater density than that object, then it will

• float
• be suspended in the liquid
• sink

What is the main ingredient in ordinary glass?

• Soda
• Lime
• Borate
• Sand

Where is tempered glass used?

• Car windshields
• Fine Stemware
• Car side windows
• Regular Windows

If you are performing the floatation method, you are trying to find the ____ of the object

• Density
• Temperature
• Mass
• Weight

When a projectile penetrates a pane of glass, the hole left will be -

• wider on the exit side
• wider on the entrance side
• a perfect cylinder
• it is random so you cannot characterize it

Which is a true statement about the breaking of glass?

• Concentric Fractures form first
• Concentric Fractures form second
• Radial fractures form second
• Radial and Concentric Fractures form at the same time

If you put a piece of glass in a liquid and it floats, it means the glass density is ____ than the liquid

• Greater than
• Equal To
• Less Than
• I don’t know

You find many pieces of clear glass at a crime scene, what 2 properties would you begin to sort them by?

• Refractive Index/Density
• Size
• Color
• Weight

The term for having no deifinite shape is

• A gas
• a liquid
• amorphous
• a blob