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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
physical
B
chemical
C
thermal
D
mechanical
2) Which properties control how a material reacts to heat or cold?
A
mechanical
B
physical
C
chemical
D
thermal
3) What properties include strength, elasticity, plasticity, hardness, toughness, or fatigue
A
physical
B
mechanical
C
thermal
D
chemical
4) The properties that refer to a material's reaction to light are __________.
A
magnetic
B
optical
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
bitter
B
semi-sweet
C
sweet
D
sour
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
sour, dry
B
sweet, slippery
C
semi-sweet, dry
D
bitter, slippery
9) Bases fall in the range of _________________.
A
7
B
0 to 7
C
7 to 14
D
15 to 22
10) A ph of 7 is _______.
A
alkaline
B
acidic
C
basic
D
neutral
*select an answer for all questions
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