10 answers, 2:30 on the clock. One clue at a time; tap the matching tile in the bank below. Solve as many as you can; time is the tiebreak.
Friedrich Mohs ranked ten reference minerals from softest to hardest - place each one at its correct level.
About this quiz
Friedrich Mohs ranked ten reference minerals from softest to hardest - place each one at its correct level.
A matching game: one prompt at a time, with every answer laid out in a bank below it.
Filed under Science & Nature with 10 answers to get and 2:30 on the clock. Free to play, no sign up needed, and your score goes on the leaderboard.
Source: Mohs Scale / Mineralogical Society of America
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