Worksheetschapter 4 exploring materials review 1
Total questions: 15
Worksheet time: 8mins
__________________ form when chemical bonds link large numbers of monomers in a repeating pattern.
Monomers
Polymers
Composites
Yeah, I wasn't paying attention the first day of this chapter.
The smaller molecules from which polymers are built are called
polymers
monomers
composites
plastics
A ________________________ combines two or more substances in a new material with different properties
polymer
monomer
composite
plastic
TRUE or FALSE Alloys are used much more than pure metals because they are generally stronger and less likely to react with air or water.
TRUE
FALSE
TRUE or FALSE In 1896, French scientist Marie Curie discovered the effects of radioactive decay while studying a mineral containing uranium.
TRUE
FALSE
Any large molecule made of many monomers is called a
plastic
polymer
protein
chain
Fiberglass is a type of
polymer
alloy
ceramic
composite
The properties of alloys more resemble those of
ceramics
glass
metals
polymers
Clean sand is heated to its melting point to make
ceramics
glass
alloys
composites
Unstable atomic nuclei that release fast-moving particles and energy are
radioactive
alloys
isotopes
alpha particles
_____________________ is the element that forms the backbone of most polymers.
Oxygen
Iron
Carbon
Uranium
TRUE or FALSE Cellulose is an example of a synthetic polymer.
TRUE
FALSE
A useful alloy of copper and tin is __________.
steel
bronze
brass
plumber's solder
Roofing tiles and bricks are made with _______________.
glass
ceramics
gold
optical fibers
Alpha, beta, and gamma radiation form as the result of ______________ reactions.
chemical
emotional
nuclear
maybe I should pay more attention
