Volume of a Penny Lab – New!

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Problem: How can we use water displacement to calculate the volume of one penny?

Materials:

  • Volume of a Penny Lab (PDF)
  • Graduated cylinders (25 mL, 50 mL, or 100 mL)
  • Cup or beaker of water, food coloring optional
  • Pennies – 100+ per group
  • Tub
  • Plastic Spoon – to pour water out of graduated cylinder and separate pennies

Screen Shot 2019-10-18 at 10.33.54 PM

This is a simple & fun lab to have students practice measuring and reading volume as well as use water displacement to determine the volume of  a penny – an irregularly shaped object.

Students will design their own series of 10 tests with the following criteria:

  • All pennies must be under water inside of the graduated cylinder.
  • The volume of water must not pass the 100 mL (or highest) increment.
  • All data is recorded carefully.

Students were able to carefully measure and determine that the volume of a penny was 0.35 mL – most students were very close with a range of 0.33 – 0.37 mL.

https://www.instagram.com/peckscience/

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