User login


Search Results


Showing results (1 to 1 of 1)

  • Thumbnail
    Pratt School of Engineering, Duke University
    Add to list Details
    Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days. By weighing the gum before and after chewing, they can determine the amount of mass...

    $1 - $5 per group Ages 11 - 14 2 to 4 hours

Current filters


  • Query parameter - amp;chemical - not supported

  • Source Institution

    • Pratt School of Engineering, Duke University (remove)
  • Informal Category