Alloys Ceramics and Polymers

Plastics are what type of material?

• Metals

• Composites

• Ceramics

• Polymers

Tags

NGSS.MS-PS1-3

Synthetic polymers are made of hydrocarbons from what source?

• Plants

• Metal ores

• Sand

• Petroleum

Tags

NGSS.MS-PS1-3

Ceramics are lightweight, strong, and stiff, but they can also be ___________.

• ductile

• rusty

• dense

• brittle

What element is commonly added to iron to make an alloy with higher strength than the iron alone?

• carbon

• glass

• steel

• clay

Which of these substances is an organic polymer?

• Nylon

• Polyvinyl chloride

• Cellulose

• Polyester

Tags

NGSS.MS-PS1-3

Polymers are derived from what raw materials?

• Fossil fuels

• Wood pulp

• Clay

• Metallic oxides

Tags

NGSS.MS-PS1-3

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

Tags

NGSS.MS-PS1-1

Why do you think people use plastic for their products ?

• Because it's strong
• Because its very cheap and it's easy to make
• Because it's expensive
• Because it's rare and it's good for the enviorment

Tags

NGSS.MS-ESS3-4

NGSS.MS-PS1-3

Define polymer

• circular molecule made with many repeating units

• short molecule made of a few repeating units

• long, chain-like molecule made of repeating units

• chain-like molecule that contains hydrogen and oxygen

The advantage(s) of plastic is/are

• Strong in nature

• Light in weight

• Poor conductors of Electricity

• Corrosion resistant