These are the three main TYPES of glass ingredients
What is Glass Former, Modifier, Intermediate
100
These are two of the many properties of Glass:
What is ...various answers...
100
This the reason windshields don't crack in on you if hit
What is lined with plastic
100
This recycled product is added to glass.
What is cullet
100
This art form uses powdered glass for decoration or protection of metals
What is Enameling
200
This type of glass is expensive and sparkly:
What is Lead Alkali Glass
200
Ceramic Firing happened in this date:
What is 6,000 BC
200
This is added to glass to give it color
What is metal
200
This type of force is used to stretch a rubber band ____________ and this type of force is used to high-five ___________.
What is Tension, Compression
200
This is the name of a type of glass wire
Fiber optic
300
The intermediate is needed for this reason:
What is Stability
300
Ceramics have this type of structure:
What is Crystalline
300
In one mole of substance, H2O has this weight in grams
What is 18g
300
This is the reason that material is likely to break due to rapid temperature change
What is Thermal Shock
300
This is likely the type of glass we used in our glass blowing lab
Soda Lime
400
Glass formers need modifers because of this reason:
What is High melting Point
400
Inorganic nonmetallic materials produced from earth materials is a good definition of this word
What is Ceramics
400
The light can pass without interference in glass because it lacks ___________ _____________
What is Grain Boundaries
400
We performed two heat treatments in the lab. ___________ makes glass stronger and _____________ removes any cracks and stress in the material
What is Tempering, Annealing
400
This the chemical name for borax
What is Sodium Borate Decahydrate
500
Because glass either returns to its normal shape or else it breaks, we say that glass is very _________ but not very ___________. (Both of these words rhyme with FANTASTIC!)
What is Elastic, NOT Plastic
500
This type of bond holds Cermaic material together (but not glass).
What is Covalent Bonds
500
When calculated our batch of glass-we wanted to make 100g of glass. This is reason why we our final weight of ingredients weighed more than 100 g
What is a byproduct -- lost water, gases
500
The amount of expansion per unit length per degree change in Celsius is known as this:
What is Coefficient of Thermal Expansion. The lower the coefficient, the less likely it is to break!
500
This is the reason Prince Rupert's drop works the way it does