Javon T2L4 Lesson Check

what is synthetic material?

• A material caused by a physical change.

• A material that grows naturally on Earth.

• A material produced by humans that is the result of a chemical reaction.

What type of change must occur for pure substances to combine into new materials?

• chemical change

• physical change

Which of these synthetic materials is created by a chemical change from a pure natural substance. (choose all that apply)

• synthetic fuel

• medicine

• food preservatives

• synthetic fibers

How is a monomer different than a polymer?

• a monomer is a long chain of polymer molecules

• a polymer is a long chain of monomer molecules

These structures are long chains that are flexible and durable.

• monomer

• polymers

• atoms

• molecule

What are the benefits of using synthetic polymers?

• mold into many shapes

• can be reproduced cheaply

• cause micro-plastic health issues

• can be mass produced in large quantities