Carat

High school (ages 12+)
Mathematics & Numbers

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/carat

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 does one carat mean in weight?One carat equals exactly 0.2 grams. It is used to measure gemstones like diamonds. It helps compare sizes.
2. How many points are in a carat?1 carat equals 100 points. A 50‑point diamond weighs 0.1 grams. Points let jewelers describe smaller sizes.

Metrology: The scientific study of measurement, including units, standards, and methods.
Malleability: The ability of a metal to be hammered or pressed into thin sheets without breaking.
Alloy: A metallic substance composed of two or more elements, at least one of which is a metal.
Gemology: The scientific study of gemstones, including their identification, grading, and valuation.