All properties except the glassy state: Styrofoam is made of polystyrene, a solid with the random structure of a liquid. This is called a glassy state or a glas.

When installed to equivalent R-value, they are the same. The choice really comes down to preference.

Yes, we teach glassblowing via the flameworking method in the Southeastern United States. My name is Lance McRorie, and I was born and raised in the Southeast (Georgia), and I have dedicated my life to glassblowing. I operate FlameTree Glass School in a suburb of Atlanta, Georgia known as Historic Roswell, Georgia! Call us toll free at 1-888-FLAMETREE (352-6387) or visit us online at www.FlameTreeGlass.com and simply click on workshops! GLASSBLOWING IS ALIVE AND WELL IN HISTORIC ROSWELL GEORGIA! We have the best teaching facility in the southeast for blowing glass via the flameworking method! We have glassblowing classes starting now! Classes on the FlameTree Glass schedule on goblet making as well. A good place to start is Glassblowing 1, and Glassblowing 2 at FlameTree Glass School! We have classes in all 4 areas of flameworking (glassblowing) curriculum; namely, 1) blowing, 2) sculpting, 3) encasement, and 4) murrine cane (mosaic canes in the venetian method/ Franchini Style Shaded Murrine).

Thanks, Lance McRorie / FlameTree Glass Founder

FlameTree Glass, Inc.

470 S. Atlanta St.

Roswell, Georgia

www.flametreeglass.com

1-888-FLAMETREE (352-6387)

flametree@flametreeglass.com

lance@flametreeglass.com

NaCl + CaCO3 ->Na2CO3 + CaCl2

The name of the dense volcanic glass that is typically black in color is obsidian.

No. Glass is made from silicon/sand and smaller portions of soda ash & limestone

Um NO you temper glass the same as you temper any thing else. You have to heat it up. it cant be cut after it has been temoerd either.

Cross section of glass has two areas, compressive strength area and tensile strength area. When glass is heated above 600 degree and fast cooled, the compressive strength area expands. Since glass has more compressive strength than tensile strength, it becomes difficult to break it. Tempered glass, especially toughened glasses are 4 to 5 times stronger than normal glass. These glasses break into small circular fragments. Normal glass breaks into sharp pieces and is a safety hazard. You may also refer this link for mare on tempered glass -https://theglassblog.wordpress.com/2011/01/18/glass-tempering-or-toughening-process/

YES

People who make a living at cutting and installing glass and mirrors are called glaziers.

Glass has excellent insulation characteristics

glass is non-living, as it was never alive.

if it was made of animal matter, then it would be classed as living, even if it was dead. Sand has never been alive, so it is non-living

Glass is tempered by...

When the glass has been made, it is heated again until it starts so go soft and the surfaces are then cooled quickly with air blasts. Since glass is a poor conductor of heat, the surfaces cool quickly and solidify whilst the inside is still liquid. When the inside cools and solidifies, it contracts, pulling on the outer layers. As the outer layers are solid, they cannot be pulled very far, so the pulling forces stay in the glass. The outer layers of the glass are being compressed...

I hop this answered your question. I was looking for another answer for my science home work and i thought i would help you out by saying what it said on my home work sheet.

Some is made in Ireland and some is made outside of Ireland.

new england

The Pilkington Float process

It is important because if the glass is kept at a little bit more than medium viscosity. It can be manipulable, thus blowing glass. U mad bro?

Glass is brittle, it breaks when bent or hit, curved windows are made that way when the glass is still hot ans malleable, once it cools it becomes brittle.

The making of soda lime glass is expensive to compare then recycle sodalime glass . Main component for making soda lime glass is silica. for melting silica required toomuch temperature & other component which soda lime glass required are also much expansive. but recycled soda lime glass required low temperature for melting to shape it again at low cost . so we recycle soda lime glass. (mahesharma@rocketmail.com)

I can only find a site about lessons in Poughkeepsie, NY

Modern glassblowing involves three furnaces. # 'The Furnace' holds the molten glass. # 'The Glory Hole'reheats the glass between molding/blowing processes. # 'The Annealer' is a 'cooling furnace'. The cooling strengthens the final product.

Glass blowing is still practiced and indeed is very profitable in a varied selection of countries, including USA, UK, Japan, China and the Netherlands. It is associated as a technique under the 'Glass Sculpture' movement whereby glass is used in art, the resulting pieces are commonly displayed at exhibitions where they can command a very significant price.