WorksheetsSCIENCE VIDEO QUIZ ROUND 3
Total questions: 15
Worksheet time: 5mins
Polymers are large molecules made up of small units called __________.
atoms
micromolecules
monomers
particles
All living things are made of polymers.
TRUE
FALSE
Complex carbohydrates are polymers of __________.
simple sugars
fatty acids
nucleotides
peptides
Proteins are polymers of __________.
amino acids
fatty acids
nucleotides
peptides
___________ are polymers of nucleotides.
Carbohydrates
DNA
Nucleic acids
Proteins
Which of the following substances is present in bark and stems of plants?
Amylose
Cellulose
Chitin
Keratin
A protein found in feathers, fur, hair and fingernails is called __________.
ceratin
chitin
keratin
schleroprotein
All synthetic polymers are derived from petroleum oil.
TRUE
FALSE
What are the two most common types of reactions used to make polymers?
Addition & combination
Addition & condensation
Addition & combustion
Addition & synthesis
The first plastic chemically known as Polyoxybenzylmethylenglycolanhydride is popularly known as __________.
Baekeland
Bakelite
Melamine
Thermoplastic
The plastic industry was born in the year __________.
1905
1906
1907
1908
___________ is a carcinogenic substance derived from Styrofoam.
Acrylic
Polyethylene
Styrene
Teflon
Plastics that are made by addition polymerization reactions are biodegradable.
TRUE
FALSE
Which of the following has the most adverse effects of plastic to humans?
They litter our oceans, cities and waterways.
They break down into tiny bits and may enter the food chain.
They slowly deteriorate in landfills and pollute the environment.
They tend to be durable and food safe.
A plastic that was invented by accident when the US military was in need of synthetic rubber is called __________.
Puttyhead
Rubber Ducky
Silly Putty
Squishy squashy
