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Technology, Ch. 4-Materials
Test Description: Technology
Instructions: Answer all questions to get your test result.
1) Material size, density, porosity and surface texture refer to what properties
A
thermal
B
physical
C
mechanical
D
chemical
2) Which properties control how a material reacts to heat or cold?
A
mechanical
B
chemical
C
physical
D
thermal
3) What properties include strength, elasticity, plasticity, hardness, toughness, or fatigue
A
thermal
B
physical
C
mechanical
D
chemical
4) The properties that refer to a material's reaction to light are __________.
A
optical
B
magnetic
C
electrical
D
acoustical
5) How materials react to sound waves refers to what properties?
A
optical
B
acoustical
C
electrical
D
magnetic
6) Acids taste ____________.
A
sweet
B
semi-sweet
C
sour
D
bitter
7) Acids fall in the range of ___________.
A
14
B
7 to 14
C
7
D
0 to 7
8) Bases taste ________________ and are _______________.
A
bitter, slippery
B
sweet, slippery
C
semi-sweet, dry
D
sour, dry
9) Bases fall in the range of _________________.
A
7 to 14
B
15 to 22
C
0 to 7
D
7
10) A ph of 7 is _______.
A
alkaline
B
neutral
C
acidic
D
basic
*select an answer for all questions
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