User login


Search Results


Showing results (1 to 10 of 27)

  • Thumbnail
    American Chemical Society
    Add to list Details
    In this activity on page 12 of the PDF, learners examine how recyclable materials are separated by various properties at recycling centers. Learners determine the density of various objects as well...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
  • Thumbnail
    The Exploratorium
    Add to list Details
    In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern. With...

    $5 - $10 per group Ages 11 - 18 1 to 2 hours
  • Thumbnail
    NOAA
    Add to list Details
    In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream. Pairs of learners will combine ingredients in a plastic bag and then add...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
  • Thumbnail
    Lawrence Hall of Science
    Add to list Details
    In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt. Learners consider how...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
  • Thumbnail
    NOAA
    Add to list Details
    In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor. Learners observe what happens when they add...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
  • Thumbnail
    Lawrence Hall of Science
    Add to list Details
    In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper....

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
  • Thumbnail
    Oregon Museum of Science and Industry
    Add to list Details
    Learners combine different plant solutions -- made from fruits, vegetables, and flowers -- with equal amounts of vinegar (acid), water (neutral), and ammonia (base). They compare the color changes...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes
  • Thumbnail
    APSnet
    Add to list Details
    The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice....

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes
  • Thumbnail
    University of Utah
    Add to list Details
    In this activity, learners examine how brine shrimp populations can survive in some of the harshest environments. Learners subject brine shrimp cysts to extreme conditions to evaluate the hardiness...

    Over $20 per group Ages 11 - 18 1 to 7 days
  • Thumbnail
    University of Utah
    Add to list Details
    What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate....

    Over $20 per group Ages 11 - 18 1 to 7 days

Pages

Current filters


  • Chemical

  • Informal Category

Narrow your search