User login


Search Results


Showing results (1 to 4 of 4)

  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick. This is a take-home version of the display Crystal Garden in the Nature of Matter unit...

    $1 - $5 per student Ages 6 - 14 1 to 7 days
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    Eggs are placed in vinegar for one or two days to dissolve the shells. Then, learners place the eggs in water or corn syrup and observe them over a period of days. Through the process of osmosis,...

    $1 - $5 per student Ages 6 - 14 1 to 7 days
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long. One is immersed in salt...

    $5 - $10 per group Ages 6 - adult 1 to 7 days
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties). The combination of salt and...

    1 cent - $1 per student Ages 6 - 14 1 to 7 days

Current filters


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

  • Query parameter - verb - not supported

  • Source Institution

    • Oregon Museum of Science and Industry (remove)
  • Preparation Time

  • Learning Time