User login


Search Results


Showing results (1 to 3 of 3)

  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide. This creates a soft...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
  • Thumbnail
    Mensa Education & Research Foundation
    Add to list Details
    In this activity on page 3 of the PDF, learners discover how science and Halloween are fun companions as they make paper bleed. Learners use an ammonia solution to make a "bloody"...

    $10 - $20 per group Ages 6 - 14 5 to 10 minutes
  • Thumbnail
    The Science House
    Add to list Details
    In this chemistry demonstration, learners will discover that phenolphthalein is an acid/base indicator. One learner will read a poem about four witches making a potion. Four learners will act out...

    $1 - $5 per group Ages 11 - 18 5 to 10 minutes