ROCKS & MINERALS- EARTH'S CHANGING SURFACE
The Earth has the following layers: Crust, Mantle, and Core..
We live in the crust.
The core is the very center of the Earth.
The Earth’s crust moves all the time but we cannot feel it.
Earthquakes happen when two plates come together.
Weathering is a slow process that breaks rocks into smaller
pieces of rock.
Erosion is the movement of materials away from one place.
Minerals are found in rocks and soil.
A mineral is naturally made.
Different physical properties are used to identify minerals.
Rocks are classified according to how they are formed.