Search Results
Showing results 1 to 2 of 2
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-250.jpg?itok=KGu8Qveu)
Plaster of Paris
Source Institutions
In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-252.gif?itok=AjtMCkEG)
Sugar/Salt Crystals
Source Institutions
In this chemistry activity (page 1 of the PDF), learners will observe a physical change.