User login


Search Results


Showing results (1 to 1 of 1)

  • Thumbnail
    American Physical Society
    Add to list Details
    Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen....

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes

Current filters


  • Query parameter - ;/smileItem/authorshipRights/sourceInstitutions/sourceInstitution - not supported

  • Query parameter - ;verb - not supported

  • Query parameter - ;facetSort - not supported

  • Query parameter - ;sourceInstitution - not supported

    • Oregon Museum of Science and Industry (remove)
  • Resource Type

  • Informal Category

  • Preparation Time