Physical Changes and Chemical Reactions Lab: Penny Activity

⭐ Get this Physical Changes and Chemical Reactions Lab at a huge discount in our Physical & Chemical Changes Unit!

FUN LAB – USES EASY SUPERMARKET SUPPLIES! Covers physical changes and chemical reactions in one really engaging activity!

Students investigate physical and chemical changes to pennies in 4 different substances. The lab paper provides clear, step-by-step instructions and a thorough analysis. The analysis portion focuses on the physical and chemical changes observed during the lab, including a Claims-Evidence-Reasoning section.

This lab uses easy supplies but produces dramatic results!

Document Includes:

  • Background info about the composition of pennies
  • Materials and procedure
  • Data table
  • Post-lab analysis questions
  • Claims-Evidence-Reasoning questions

Supplies (Probably already in your cabinet!):

  • Sandpaper (any grit will work)
  • Pennies (after 1983)
  • Cups or water bottles
  • Markers to label cups
  • Vinegar, hydrogen peroxide, Sprite, or substitute liquids of your choice

Related Standards:

  • NGSS MS-PS1-2 and MS-PS1-5
  • NGSS Science & Engineering Practices: Planning and carrying out investigations; Analyzing and interpreting data; Engaging in argument from evidence

Teacher Notes:

Related Standards:

  • NGSS MS-PS1-2: Analyze and interpret data on the properties of substances before and after interaction to determine if a chemical reaction occurred.
  • NGSS MS-PS1-5: Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.

$3.99

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Grade Levels: 7, 8, 9, 10, 11, 12 NGSS Standards: MS-PS1-2, MS-PS1-5