Yttrium

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/yttrium

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. Who discovered Yttrium?First identified in the mineral gadolinite from Ytterby, Sweden, in 1787
2. How tall is Yttrium?Improves strength, ductility, and high-temperature resistance in alloys like steel and superalloys
3. What is Yttrium?Yttrium is a shiny, silvery‑white metal that belongs to the rare‑earth group. It has the atomic number 39 and was first discovered in a mineral from Sweden.
4. Why does Yttrium make lights glow?When Yttrium is mixed with other elements, it can emit bright colors like red or infrared light. This helps power old TVs, lamps, and lasers.

Isotope: Atoms of the same element with different numbers of neutrons, sometimes used in medicine or research.
Superconductor: A material that can conduct electricity with no resistance below a certain critical temperature.
Phosphor: A substance that emits light when struck by radiation, such as electrons or ultraviolet light.