Glass Review

Glass is stronger under tension than compression.

• True

• False

Tempering glass can build up stress.

• True

• False

Tags

NGSS.HS-PS3-4

The most common glass former is silica.

• True

• False

Materials that are amorphous and glass-like are considered to be

• elemental

• crystalline

• vitreous

• organic

Tags

NGSS.HS-PS2-6

Which of the following is NOT a property of glass?

• crystalline

• inorganic

• processed at high temperatures

• easy to work and shape

Tags

NGSS.HS-PS2-6

Which of the following are used to help melt the glass during production?

• modifier

• cullet

• flux

• All choices

lowers the melt temperature, makes the glass easier to work with

• former

• modifier

• intermediate

Tags

NGSS.HS-PS3-4

acts as either a former or modifier based on the other ingredients present

• former

• modifier

• intermediate

How does Pyrex glass differ from Soda-lime glass?

• Pyrex has a different modifier

• Pyrex has higher thermal capacity

• Pyrex is better able to resist thermal shock