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Science Science is so much more fun when it involves exciting activites and hand-on learning!
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Hardness Kit $11.00 Suggested grades: 4+ |
The determination of the hardness of a mineral can be an important step toward its identification. Over a century ago, Friedrich Mohs made up a scale of hardness which is sometimes referred to as Mohs' scale. This scale is still in use today, and this kit contains the minerals necessary to test other rocks. |
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Detailed Product Description The determination of the hardness of a mineral can be an important step toward its identification. Over a century ago, Friedrich Mohs made up a scale of hardness which is sometimes referred to as Mohs' scale. This scale is still in use today, and this kit contains the minerals necessary to test other rocks. Minerals
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