Glass and Its Applications

What is glass made from?

• Metal and plastic

• Sand, soda ash, and limestone

• Wood and paper

• Ceramic and clay

When was glass first artificially produced?

• Around 3500 BC

• In the 19th century

• During the Renaissance period

• In the 20th century

What is the temperature at which glass is melted?

• 100°C

• 500°C

• 1000°C

• 1500°C

What is the most commonly used type of glass?

• Borosilicate glass

• Tempered glass

• Soda-lime glass

• Fiberglass

What can be added to glass to give it a green or blue color?

• Gold

• Copper

• Silver

• Platinum

What is the main characteristic of glass at ambient temperature?

• It behaves like a liquid

• It behaves like a gas

• It behaves like a solid

• It behaves like a plasma

What is the process of shaping and cooling down molten glass called?

• Annealing

• Quenching

• Tempering

• Extrusion

What is the main advantage of glass as a material?

• It is lightweight

• It is flexible

• It is magnetic

• It is transparent