Mystery #2 Quiz

When you left the steel nail and copper pennies in a bag of vinegar and salt, the nail turned copper-colored. What happened? 

• The nail was transformed from steel into copper
• The nail was covered with a thin layer of copper
• A steel layer was removed from the nail, showing copper underneath

How did the experiment with the steel nail help you understand the story of the alchemist who changed the king’s sword to copper? 

• Our steel nails in the experiment were coated in copper, like the king’s sword was coated in copper. This showed how the alchemist coated the king’s sword to make it look like it had been transformed into copper. 
• Our steel nails in the experiment were coated in rust, like the king’s sword was coated in rust. This showed how the alchemist coated the king’s sword to make it look like it had been transformed into rust. 
• Our steel nails in the experiment were coated in gold, like the king’s sword was coated in gold. This showed how the alchemist coated the king’s sword to make it look like it had been transformed into gold. 

 The alchemists claimed that “ordinary metals can be transformed into gold.” Do you agree with this claim?

• I agree, because the naill was transformed all the way through.
• I agree & disagree
• I disagree, because we saw that metals can be coated with other metals, but not transformed into new metals.

What happened to the copper nail when we scratched it with sand paper?

• The copper coating came off showing the metal nail.
• The copper came off, but their was copper underneath.
• The copper stayed on, therefore it transformed all the way through.

Why couldn't we see the particles of the dull penny in the water?

• They were too big to be seen.
• They weren't in the water at all.
• They were too small to be seen.