Iron Facts
What is the chemical symbol for iron?
Fe
What protein contains iron and carries oxygen through your body?
Hemoglobin
Which part of Earth contains the most iron?
The Inner Core
Steel is made mainly from iron and what other element?
Carbon
What is iron's atomic number?
26
What condition can happen when someone doesn't get enough iron?
Anemia
What does Earth's iron core help create?
Earth's magnetic field
Which is stronger?
A. Iron
B. Steel
C. Ryan's Common Sense
D. Mr. Cassiere
B. Steel
What period of history was named after iron?
The Iron Age
About how much iron is in the average human body?
A. 1 gram
B. 3–4 grams
C. 10 grams
D. 20 grams
B. 3–4 grams
True or False:
Earth's core is hotter than the surface of the Sun.
True
The core can reach about 10,800°F (6,000°C).
Name one structure that depends heavily on steel.
Possible Answers