Chemical Magic: Mystery 2

1. 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.

Tags

NGSS.MS-PS1-2

2. A(n) ________ is a member of a historical group of people who mixed together different substances, with the hope of becoming rich.

• magician

• alchemist

• scientist

3. A ______ is a tool used to measure weight.

• thermometer

• compass

• scale

• telescope

4. True or False: The nail was transformed into copper after sitting in the salt and vinegar bag.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5. The salt and vinegar ______.

• added a shiny layer to the penny

• changed the penny to another metal

• removed the dull layer from the penny

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

6. The dull copper ______ into the salt and vinegar.

• dissolved

• formed

• vanished

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7. The alchemists claimed that “ordinary metals can be transformed into gold.” Do you agree with this claim? Why or why not?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5