One could safely say that we've built civilization itself on iron -- it's got seemingly infinite uses. From early tools to trains, iron is responsible for thrusting humanity into rapid advancement. But how much do you know about the process of extracting iron from the Earth? Or about the difference between iron and steel? Take our quiz and find out.
Question 1 of 10
How plentiful is iron in the Earth's crust?
Question 2 of 10
Which of the following is not true of iron?
Question 3 of 10
Which of the following is a common ore from which we can extract iron?
Question 4 of 10
What do you have to eliminate to get iron from iron ore?
Question 5 of 10
Which of the following statements about steel and iron is true?
Question 6 of 10
In a bloomery, iron is heated into a spongy mass known as a bloom. What do you get when you heat and hammer the bloom?
Question 7 of 10
From pig iron, you can make which of the following?
Question 8 of 10
In a blast furnace, what do you call the material that forms when the calcium from limestone combines with silicates?
Question 9 of 10
What do you add to steel to make stainless-steel?
Question 10 of 10