Steel and Iron 453 



SUGGESTIVE QUESTIONS 



1. Why are meteors the only iron found in nature not in com- 

 pounds? 2. Which would you compare to a rod of wood, a wrought 

 iron bar or a steel bar? Explain. 3. How does a blacksmith weld 

 pieces of iron? 4. If gold were as abundant as iron, and iron as rare 

 as gold, what would be the effect on our civilization? 5. Why was 

 copper used before iron? 



