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3
|
Friedrich Mohs, who created this scale, studied chemistry, mathematics, and _________.
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4
|
Ten being the ________.
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5
|
One being the ________.
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6
|
To use the hardness scale, you ________ the surface of the unknown mineral.
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8
|
Friedrich Mohs was a _______ minerologist.
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9
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The scale ranges from one to _______.
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|
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1
|
_________, a number 7 on the scale, is the hardest common mineral.
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2
|
The scale was developed in ___________.
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7
|
The softest mineral on the scale is _______.
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|
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