Glass

What is the main ingredient in glass?

• soda ash

• limestone

• borax

• silica

Which type of glass has the highest melting point?

• soda lime glass

• borosilicate glass

• Pyrex glass 

• fused silica glass

Which type of glass experiences the most thermal shocking when exposed to extreme temperatures?

• soda lime glass

• borosilicate glass

• Pyrex glass 

• fused silica glass

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which type of glass is most commonly used in cookware?

• soda lime glass

• borosilicate glass

• laminated glass

• fused silica glass

Tags

NGSS.MS-PS3-3

What is the main ingredient in all three types of glass that we looked at (Soda-lime, Borosilicate, and lead crystal?

• Alumina

  AL2O3

• Silica

  SiO2

• Soda (Na2O)

• Lead oxide

  PbO

What is the most common type of glass?

• Borosilicate

• Lead-alkali

• Soda-lime (flint)

• None of the above

Silica in amorphous form makes glass but silica in crystalline form makes ...

• emeralds

• quartz

• alumina

• granite

What is the difference between radial and concentric fractures in glass?

• Radial fractures and concentric fractures are the same thing.

• Radial fractures form straight lines, while concentric fractures form circles around the point of impact.

• Radial fractures radiate outward, while concentric fractures form circles around the point of impact.

• Radial fractures form circles around the point of impact, while concentric fractures radiate outward.

Which impact occurred LAST?

• 1

• 2

• Not enough information.

What is the order of impact? (first to last)

• B

• A

• C

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2