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Children's Museum of Indianapolis: What's a Hardness Scale?

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This Children's Museum of Indianapolis: What's a Hardness Scale? graphic also includes:

Find an illustrated explanation of the Mohs' hardness scale, which is used to compare the hardness of minerals. The scale explains the differences in hardness among a range of minerals, beginning with the softest (talc) and ending with the hardest (diamond).

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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)