A Brief History of Plastic

What material was used to make billiard balls before plastics?

• a. Rubber
  

• 
  b. Ivory
  

• 
  c. Wood
  

• d. Glass

2. Who invented the first plastic material called celluloid?

• a. Thomas Edison
  

• 
  b. John Wesley Hyatt
  

• 
  c. Alexander Graham Bell
  

• d. Nikola Tesla

What two substances from nature are celluloid made of?

• Wheat and leaves

• Tree bark and leaves

• Wood and Straw.

• Grass and bushes

Plastics are made of...

• DNA

• Proteins

• Cells

• Polymers- large molecules consisting of the same repeating subunits

What is the primary feature of synthetic plastics?

• 
  They are soft and malleable
  

• They are always biodegradable
  
  

• 
  They are always transparent
  

• 
  They are made from metals

When people refer to plastics, they're referring to...

• Synthetic Materials (man made)

• Natural Materials (naturally occuring)

Which material replaced celluloid due to being less flammable?

• Polystyrene

• 
  Nylon
  

• Acrylic
  

• 
  Bakelite
  

What was one of the first commercially developed plastics in the 1920s?

• 
  Bakelite
  

• 
  Celluloid

• Polyethylene
  

• Polystyrene

What manufacturing technique allowed for rapid production of plastics?

• Injection-molding
  

• 
  Casting
  

• 
  Hand molding
  

• 
  Extrusion

During World War Two, how much did plastic production in the U.S. increase?

• 
  Doubled
  

• 
  Tripled
  

• 
  Quadrupled
  

• 
  Remained the same