1. Ceramics and Glass

2. A Bull in a China Shop
Properties of Ceramics and Glass?

3. Ceramics
Hard
Crystalline
Heating clay

4. Clay
Water
Small material particles Si Al O

5. Making Ceramics Heat above 1000⁰C Water evaporates leaves pockets
Particles stick together
Think of bricks

6. Glazed Thin layer of silicon dioxide Heat it again
Forms glassy waterproof covering

7. Properties of Ceramics
Resist moisture
Do not conduct electricity
Withstand temps that cause metals to melt
Break easily

8. Uses for Ceramics Insulators Store food
Protect from moisture and animals
Roofing tiles
Sewer pipes

9. Other uses
Catalectic Converters
Bioceramics

10. Glass
Sand + Limestone = Glass
Clear
Solid
No crystal structure

11. Making Glass
Melting
Blowing

12. Properties of Glass Brittle and shatters Clear
Make into different shapes and colors
Can not be penetrated by liquids

13. Uses Different mixtures make different uses Add boron oxide
Resistant to heat
Add limestone
Bends light better

14. Communication Optical Fiber
Threadlike piece of glass used to transmit light
Phone TV
Internet