Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-497.png?itok=2ooHCdQc)
Fragile Waters
Source Institutions
In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-353.png?itok=ZRRw6na5)
Trash Traits
Source Institutions
In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-884.gif?itok=gf4aJ6Gl)
Test Density with a Supersaturated Solution
Source Institutions
Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.