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Unit 2 Test Review
Test Description: Physical Properties of Matter
Instructions: Answer all questions to get your test result.
1) The capability of a substance to be molded and shaped, or hammered into sheets without breaking is known as __________.
A
luster
B
conductivity
C
malleability
D
ductility
2) The capability of a substance to be stretched into thin wires without breaking is known as __________.
A
luster
B
ductility
C
malleability
D
conductivity
3) Copper is a common metal. Which of the following properties does this metal most likely have?
A
low conductivity, low malleability, and low luster
B
High conductivity, high malleability, and high luster
C
High conductivity, high malleability, and low luster
D
Low conductivity, high malleability, and high luster
4) A student is examining an object in science class. It is solid, does not conduct, malleable but not ductile, and is a shiny silver color. The sample is most likely a ___________.
A
semi-conductor
B
nonmetal
C
metalloid
D
metal
5) A student is examining an object in science class. It is pale yellow, brittle solid, with no shine. The sample is most likely a _____________.
A
metal
B
nonmetal
C
metalloid
D
semi-conductor
6) An electric company is designing a new cell phone. They need a solid material that conducts electricity and can be made into a thin wire. Which material would best fit their needs?
A
metal
B
metalloid
C
nonmetal
D
semi-conductor
7) When metals, nonmetals, and metalloids are compared according to luster, which is the best description of the appearance of metalloids?
A
Shiny
B
Either shiny or dull
C
Dull
D
Powdery
8) Which of the following lists of properties best describes nonmetals?
A
malleable, shiny, conductor
B
brittle, dull, insulator
C
malleable, dull, insulator
D
brittle, shiny, conductor
9) A student needs to find the density of a cube. Each side of the cub measures 3cm and the mass of the cube is 12g. What is the approximate density of the cube?
A
36 g/cm3
B
2.25 g/cm3
C
0.4 g/cm3
D
4.0 g/cm3
10) How the surface of a mineral appears when it reflects light is known as ________
A
streak
B
conductivity
C
hardness
D
luster
11) The ability of one mineral to scratch another mineral is determined by the mineral's ___________
A
hardness
B
luster
C
streak
D
color
12) Which two properties of minerals can be observed by scratching the mineral against other substances?
A
streak and hardness
B
color and streak
C
hardness and luster
D
luster and streak
13) What are two reasons why color is not the best property to use in the identification of minerals?
A
Both A and B are correct.
B
You can use color alone to identify minerals.
C
Two or more minerals may have the same color.
D
A single type of mineral may be found in many colors.
14) When you perform the streak test of a mineral you look at what color of the powder the mineral leaves behind on the tile. True of False
A
True
B
False
15) Cooking pans and electrical wires are.......
A
Good conductors of heat and electricity and metals
B
Good insulators of heat and electricity and nonmetals
C
Poor conductors of heat and electricity and nonmetals
*select an answer for all questions
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