A composite is made of three or more materials.

• True

• False

The main ingredient in glass is SiO2 (sand)

• True

• False

Ceramics are heated to 1000C to drive out water and harden it.

• True

• False

The TWO types of glass are called:

• Borosilicate

• Silicoboron

• Soda-lime

• Soda-coke

Carbon fibres are mixed with plastic polymers to create lightweight composites

• True

• False

Ceramics have a disordered, giant structure with no crystalline regions

• True

• False

Borosilicate glass has a lower melting point than soda-lime glass

• True

• False

Ceramics have strong areas made up of covalent and ionic bonds

• True

• False

Glass has a disordered structure

• True

• False

Plywood is a composite material

• True

• False