How is this called?
Bulletproof glass
Where is the longest glass bridge?
In Vietnam
When was the first glass object created by humans?
About 4000 years ago
Where is located the world's largest aquarium window?
In Zhuhai, China
At What Temperature Does Glass Melt?
Around 1500°C
What glass is made from?
Limestone, sand and sodium carbonate
How this is called?
Stained glass
Is glass a solid?
No, amorphous solid
Name 5 things made of glass:
Glass, glasses, window, vase, mirror...
How many % of glass can we recycle?
It's 100% recyclable
When were plate (flat) glass windows invented?
In the 17th century
What's this job?
Glassblower