Activity

Lemelson Center: Spark!lab: Polishing Pennies

Curated by ACT

Learn about acids and bases during this penny-polishing experiment. Students will hypothesize what substances will polish pennies and then test their hypothesis.

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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice