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science 6th grade
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What is an ALLOY?
a solid mixture of two or more metals
A mineral with a repeating pattern of particles is a ______.
Crystal
How a mineral reflects light is called it's _____.
LUSTER
Rock that contains a metal or other economically useful mineral is _____.
ORE
A person who mines for minerals is called a ______.
Prospector
The precess that removes metal from ore is called ______.
SMELTING
Color of a mineral's powder is called a ____.
STREAK
A narrow channel or slab of a mineral is called a ______.
VEIN
Describe how minerals form.
Solutions evaporate
Crystallization of melted minerals
How do mining companies restore land after the mining process ends?
Grade
the land and
replace
the soil.
How does flow or fast cooling magma affect the size of mineral crystals?
Cools SLOWLY - LARGE crystals form
Cools QUICKLY - SMALL crystals form
*think- if cools to fast, there is no time for big crystals
Name and describe the three types of mineral practices. (SOS)
Strip mining -
Open Pit Mining-
Shaft Mining-
What is the hardest known mineral?
DIAMOND
What is the softest known mineral?
TALC
Author
Anonymous
ID
241391
Card Set
science 6th grade
Description
minerals, science,
Updated
2013-10-18T19:30:11Z
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