User login


Search Results


Showing results (1 to 4 of 4)

  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates. This activity is recommended...

    $5 - $10 per student Ages 14 - adult 1 to 4 weeks
  • Thumbnail
    EPA
    Add to list Details
    In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
  • Thumbnail
    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
    Add to list Details
    In this demonstration, learners observe vinegar and baking soda creating carbon dioxide (CO2) in a bottle. The gas is poured out of a bottle onto a candle flame, putting out the candle. This...

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
  • Thumbnail
    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
    Add to list Details
    In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas. The CO2 gas is trapped in a balloon, then blown through a straw into water with an acid...

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes