User login


Search Results


Showing results (1 to 2 of 2)

  • Thumbnail
    Twin Cities Public Television
    Add to list Details
    In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube. Learners use food coloring to simulate...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
  • Thumbnail
    Twin Cities Public Television
    Add to list Details
    This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water. Learners will conduct a reduction-oxidation (redox)...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours