MediumHard Science
What scale measures the hardness of minerals?
Riddle
What scale measures the hardness of minerals?
Choose an answer
A.Richter scale
B.Celsius scale
C.pH scale
D.Mohs’ scale
Hint: It's a 2-word phrase with 9 letters, starting with "M".
Answer
Mohs’ scale
Why this is the answer
The Mohs scale ranks minerals from 1 (talc) to 10 (diamond).
This riddle is filed under Science Riddles and rated Medium.