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WorksheetsChemical Magic: Mystery 2
Total questions: 7
Worksheet time: 6mins
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.
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
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
6. The dull copper ______ into the salt and vinegar.
dissolved
formed
vanished
7. The alchemists claimed that “ordinary metals can be transformed into gold.” Do you agree with this claim? Why or why not?
