User login


Search Results


Showing results (1 to 1 of 1)

  • Thumbnail
    Twin Cities Public Television
    Add to list Details
    In this activity (on page 2 of the PDF), learners will develop their own version of a tool used by biologists, a dichotomous key, by collecting all their left shoes. Learners brainstorm different...

    free Ages 8 - 14 10 to 30 minutes

Current filters


Narrow your search