Iron

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/iron

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 periodic table classification?Belongs to the first transition series and group 8
2. What is the earth's core composition?Forms a significant portion of Earth's outer and inner core
3. What is iron and why is it important for our planet?Iron is a metal that makes up most of Earth's core and helps create the planet's magnetic field. It is also found in the crust and mantle.
4. How did humans learn to make iron tools and weapons?People discovered how to smelt iron in kilns that reach about 1,500 °C. This happened in Eurasia around the 2nd millennium BC and started the Iron Age.

Transition Metal: Elements characterized by having valence electrons in more than one shell, leading to diverse chemical behaviors.
Hemoglobin: A protein in red blood cells containing iron, essential for transporting oxygen throughout the body.
Oxidation State: A number assigned to an element in a chemical combination that represents the number of electrons lost or gained.