Level 3 Quiz

  1. Latex was discovered:
    1. in ancient Egypt
    2. in the 1800's in Brazil
    3. in Germany during World War II
    4. in 1950 by a toy manufacturer
    5. in a polymer lab by Dr. Lon Mathias


  2. The process of making glue become an elastomer is known as:
    1. condensation
    2. crosslinking
    3. magic
    4. rubberizing
    5. solidification


  3. Acetic acid was added to liquid latex rubber to:
    1. neutralize the ammonia
    2. increase the pH
    3. improve the odor
    4. change the color
    5. dehydrate it


  4. Which of the following are necessary for the polymer ball activities?
    1. good ventilation
    2. washing hands afterwards
    3. eye protection
    4. following instructions
    5. all of the above


  5. What was the purpose of adding borax to white glue?
    1. to confuse the glue molecules
    2. to break covalent bonds within each molecule
    3. to dissolve the glue molecules
    4. to absorb moisture from the glue molecule
    5. to crosslink the glue molecules


  6. Latex is the starting material for:
    1. all polymers
    2. glue
    3. pizza
    4. rubber
    5. ethanol


  7. Household vinegar is a weak solution of:
    1. ethanol
    2. sodium silicate
    3. acetic acid
    4. latex
    5. ammonia


  8. When stretched and released, an elastomer will:
    1. become soft and pliable
    2. return to its original shape
    3. become hard and brittle
    4. break or crumble
    5. become permanently distorted


  9. Sodium silicate solution is also known as:
    1. sea water
    2. vinegar
    3. water glass
    4. sand
    5. ethanol


  10. MSDS stands for:
    1. My Students Don't Study
    2. Molecular Standard Degraded
    3. Material Science Data System
    4. Material Safety Data Sheets
    5. Molecular Safety Definitive System


  11. The polymer in white glue is:
    1. polystyrene
    2. polyurethane
    3. polyethylene
    4. poly (vinyl alcohol)
    5. polypropylene


  12. What is the formula for acetic acid?
    1. CH3COOH
    2. HC2H3O2
    3. CH3CH2OH
    4. CH3CH2COOH
    5. Answers A and B