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When a mineral breaks and there is a smooth surface
Cleavage
A flat surface is called cleavage. An uneven surface is called a ______
Fracture
Give 2 examples of how minerals can be used
To make cement, to make watches, to make toasters, to make coins
Can you name some minerals we need for our body?
Calcium, iron, magnesium, potassium, sodium
What scale measures the hardness of a mineral?
The Mohs Hardness Scale
True or False: Diamond is NOT the hardest mineral.
False
What's the highest hardness on Mohs Hardness scale?
10
What is the hardness of the mineral?
How difficult it is to scratch it
True or False: Minerals can be precious gems.
Yes
What are some examples of minerals?
Salt, Gold, Pyrite (answers may vary)
What is "luster"?
How shiny a mineral is
Do humans need minerals to survive?
Yes
What are three main kinds of rocks?
igneous, sedimentary, metamorphic
What are minerals?
1) Solid, 2)Inorganic, and 3) Natural
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