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Earth, Minerals - Part 2
Test Description: Minerals
Instructions: Answer all questions to get your test result.
1) The softest mineral on the Mohs scale is:
A
gypsum
B
apatite
C
quartz
D
talc
2) Brick, steel and glass are not classified as minerals because:
A
they have many uses
B
they are too hard
C
they are organic
D
they are not naturally occurring
3) A mineral with a hardness of 6 will scratch a mineral with a hardness of more than 6
A
true
B
false - the softer will be scratched
4) Minerals come from organic materials
A
False - organic means it must be or have been living, minerals are inorganic
B
True
5) Halite crystals form when a solution of water and salt condenses
A
True
B
False
6) The faster magma cools, the smaller the crystals formed
A
False - faster makes small crystals, slower makes larger crystals
B
True
7) The splitting of a mineral along flat surfaces is:
A
fracture
B
broken
C
density
D
cleavage
8) Atoms of a mineral are arranged in repeating patterns forming:
A
organic matter
B
cleavage
C
fracture
D
crystals
9) Talcum powder is made from the very soft mineral called:
A
Quartz
B
Talcum
C
Gypsum
D
Talc
10) If Lava is above the ground but if it is below the ground it is called:
A
slush
B
gunk
C
magma
D
lava
*select an answer for all questions
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