All About Rocks and Minerals and Make Eggshell Geodesby Trumbull Nature and Arts Center on 04/10/20
Do you know the difference between rocks and minerals? Are all rocks hard? What are rocks and minerals used for? Learn the answers to these questions from this video:
Then, save those eggshells and make color geodes to demonstrate how real-life geodes are formed in igneous and sedimentary rock.
Download instructions here: