Mohs scale

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/mohs-scale

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scale range?1 (talc) to 10 (diamond)
2. What is the discoverer?Friedrich Mohs
3. Why do geologists use the Mohs scale in the field?It lets them quickly test a rock with simple tools and guess its identity without fancy lab equipment.
4. How does a mineral higher on the Mohs scale behave when tested?A mineral higher on the scale can scratch any mineral below it and will not be scratched by those lower on the scale.

Qualitative Measurement: A measurement that describes qualities or characteristics rather than numerical values.
Ordinal Scale: A measurement scale where the order of items is significant, but the intervals between them are not necessarily equal.
Anisotropy: Having properties that differ depending on the direction.
Quantitative Hardness Tests: Precise methods like Vickers or Rockwell that measure hardness with numerical values.