User login


Search Results


Showing results (1 to 3 of 3)

  • Thumbnail
    COSI
    Add to list Details
    In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change. By experimenting with plaster of paris, students will differentiate between these types of changes...

    Over $20 per group Ages 8 - 18 4 to 24 hours
  • Thumbnail
    COSI
    Add to list Details
    In this biology experiment, learners plant soybean seeds in plaster of Paris, witnessing firsthand the mighty power and ability of plants to grow in adverse conditions. This is also an excellent...

    1 cent - $1 per student Ages 6 - 11 1 to 4 weeks
  • Thumbnail
    COSI
    Add to list Details
    In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing. In...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes