Could you transform something worthless into gold?

What was proven by weighing pennies before and after they were soaked in the vinegar and salt solution?

• The pennies got heavier which proves there was a shiny layer added

• The pennies got heavier whoch proves there was a shiny layer removed

• The pennies got lighter which proves the outside layer was removed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How did the alchemist turn the sword into copper color?

• The alchemist solution removed the outer layer revealing copper

• The Alchemist solution changed the steal into copper

• The alchemists solution had the copper particles in it

Why can't we see the copper particles in the salt and vinegar solution?

• They dissolved

• they disappeared

• They changed into something different

Tags

NGSS.MS-PS1-2

How does the steel nail change after soaking in the solution with the copper pennies?

• The nail gets shiny

• The nail gets covered in copper

• The nail does not change

Tags

NGSS.MS-PS1-2

If a nail gets placed in "fresh" salt and vinegar solution that didn't have pennies, what would likely happen?

• the nail would turn a copper color

• the nail would not change

• the nail would become shiny

Tags

NGSS.MS-PS1-2

When the sword and copper nail was scratched, what did this prove?

• The sword was only coated in copper color

• the sword is solid copper

• the sword was replaced with a different sword

Where the copper on the nail come from?

• The vinegar removed the outside layer of the nail showing copper

• It came from a chemical reaction with the vinegar

• It come from the pennies

Tags

NGSS.MS-PS1-2