Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-368.jpg?itok=sB0h3HQs)
Lava Layering: Making and Mapping a Volcano
Source Institutions
In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events.
![](/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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-329.jpg?itok=o0IWC_EZ)
Changing the Density of a Liquid: Heating and Cooling
Source Institutions
Learners investigate how the temperature of water affects its density.