One of the ways my dad and I bond: nerd out identifying rocks and minerals he finds at Fort Knox.
Types of Rocks Sorting Cards-These beautiful cards make learning about types of rocks fun and easy! This PDF file includes: 6 pictures each in all) for all three rock categories: igneous, metamorphic, and sedimentary A full-page poster explaining
Metamorphic rock is a type of rock that is "morphed" or changed in to another rock. These rocks could have once been sedimentary or igneous rocks. Metamorphic rock is formed when the rock is under.
The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs
