Technology, Ch. 4-Materials Question Preview (ID: 27811)
Technology.
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Bases taste ________________ and are _______________.
a) semi-sweet, dry
b) sweet, slippery
c) sour, dry
d) bitter, slippery
Acids fall in the range of ___________.
a) 7 to 14
b) 7
c) 0 to 7
d) 14
Acids taste ____________.
a) sour
b) sweet
c) bitter
d) semi-sweet
How materials react to sound waves refers to what properties?
a) magnetic
b) electrical
c) acoustical
d) optical
The properties that refer to a material's reaction to light are __________.
a) optical
b) acoustical
c) electrical
d) magnetic
What properties include strength, elasticity, plasticity, hardness, toughness, or fatigue
a) mechanical
b) physical
c) thermal
d) chemical
Which properties control how a material reacts to heat or cold?
a) chemical
b) physical
c) mechanical
d) thermal
Material size, density, porosity and surface texture refer to what properties
a) thermal
b) physical
c) mechanical
d) chemical
Bases fall in the range of _________________.
a) 0 to 7
b) 7 to 14
c) 15 to 22
d) 7
A ph of 7 is _______.
a) basic
b) alkaline
c) acidic
d) neutral
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