User login


Search Results


Showing results (1 to 2 of 2)

  • Thumbnail
    NOAA
    Add to list Details
    In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic. This lesson guides inquiry into some properties of the ocean...

    Over $20 per group Ages 14 - 18 1 to 2 hours
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin. Learners discover that...

    $1 - $5 per group Ages 14 - adult Under 5 minutes