Polymers

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

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

Polymer made by repeating units of Ethene

• Polyethylene

• Polythene

• PVC

• polypropylene

Which one of the following is the source of the molecules used to make synthetic plastics?

• Natural gas

• Crude oil or petroleum

• Coal

• Mineral ores

Which of these is an example of synthetic polymer?

• cotton fibers

• rubber

• wool

• polyvinyl chloride (PVC)