WONDER #1892: Why Are Rubies Red?
Question 1 of 3
Rubies are a red version of what mineral?
- corundum
- pyrite
- salt
- diamond
Question 2 of 3
The red color of the ruby comes from the presence of what element in corundum?
- oxygen
- aluminum
- chromium
- nitrogen
Question 3 of 3
If you wanted to find rubies, which continent would you most likely travel to?
- North America
- South America
- Asia
- Antarctica
Check your answers online at https://wonderopolis.org/index.php/wonder/why-are-rubies-red.