Aluminium

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/aluminium

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 chemical symbol?Al
2. What is the atomic number?13
3. Why is aluminium lighter than steel?Aluminium has a very low density, about one‑third the weight of steel, so it feels light.
4. Does aluminium rust?No, it forms a thin protective layer of aluminium oxide when exposed to air, keeping it from corroding.

Post-transition Metal: A group of metals that are located in the p-block of the periodic table, exhibiting properties between those of transition metals and metalloids.
Electrolysis: A process that uses electric current to drive an otherwise non-spontaneous chemical reaction, often used for metal extraction.
Isotope: Atoms of the same element that have different numbers of neutrons, thus different atomic masses.
Radiometric Dating: A method of dating geological or archaeological samples based on the decay rates of radioactive isotopes.