Science Review: Land Formations (Rocks, Minerals, Soil, etc
... Are classified according to the way they form:
1. Igneous: formed from melted rock: magma/lava that has cooled
2. Metamorphic: squeezed and heated to high temperatures, when it cools and hardens it
becomes metamorphic rock
3. Sedimentary: layers of clay, sand, mud, rock are squeezed together and sol ...