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Intro to Material Science 21-22 Flashcards | StudBud
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Intro to Material Science 21-22
Intro to Material Science 21-22
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1
In polymers, a
mer
is considered one unit while
poly
means _____________.
many
link
one
few
2
When should goggles be worn in the laboratory?
when a heat source is being used
when liquids are being used
when working with glass
3
Materials that become thinner or liquify when energy is added to them, such as blood or ketchup, are known as _______.
isotropic
colliod
dilatant
thixotropic
4
This type of material is very strong, but when it fails, its catastrophic.
polymer
composite
metal
ceramic
5
Fibers, both natural and synthetic, are created by large molecules known as ____________
polymers
composites
metals
ceramics
6
How should you test for odors during a lab investigation?
Sniff directly
Listen for any noises
Ask a friend to sniff it
waft
7
Fluids that become thicker when adding energy, such as oobleck, are called ___________.
dilatant
isotropic
thixotropic
colloid
8
A fluid that does not follow the laws of physics
non-Newtonian fluid
colloid
amorphous fluid
9
What should be done with unused chemicals during a lab investigation?
Dispose in the trash
Dispose according to the instructions
Dispose in the sink
Return them to the original container
10
Material science includes
modifying materials.
Understanding properties of materials.
searching for new materials.
11
Materials that are crystaline in structure include ceramics and _____________.
metals
glass
composites
polymers
12
What material is created by adhering layers together?
dilitants
ceramics
composites
glass