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1. What is the primary ingredient used to make glass?
A
Sand
B
Salt
C
Clay
2. What is added to sand to create glass?
A
Lime
B
Baking soda
C
Soda ash
3. What type of glass is processed to be tougher and safer when broken?
A
Tempered glass
B
Regular glass
C
Frosted glass
4. What allows glass to be used for windows?
A
Flexibility
B
Weight
C
Transparency
5. What is stained glass primarily used for?
A
Artistic designs
B
Insulation
C
Strengthening
6. What do optical fibers use to transmit data?
A
Radio waves
B
Electrical signals
C
Pulses of light
7. What happens to tempered glass when it breaks?
A
It crumbles into smaller pieces
B
It shatters into sharp shards
C
It remains intact
8. What can glass be made into for optical purposes?
A
Mirrors
B
Lenses
C
Screens
9. What characteristic of glass allows it to be opaque or translucent?
A
Thickness
B
Manufacturing process
C
Color
10. What is a common use of glass in modern technology?
A
Plastic containers
B
Optical fibers
C
Wooden frames