Science
Core explained in an easy to understand way.
Crust explained in an easy to understand way.
Deposition explained in an easy to understand way.
Earthquake explained in an easy to understand way.
Epicenter explained in an easy to understand way.
Erosion explained in an easy to understand way.
Fault explained in an easy to understand way.
Glacier explained in an easy to understand way.
Humus explained in an easy to understand way.
Landform explained in an easy to understand way.
Landslide explained in an easy to understand way.
Lava explained in an easy to understand way.
Magma explained in an easy to understand way.
Mantle explained in an easy to understand way.
Moraine explained in an easy to understand way.
Soil horizon explained in an easy to understand way.
Soil profile explained in an easy to understand way.
Topsoil explained in an easy to understand way.
Volcano explained in an easy to understand way.
Weathering explained in an easy to understand way.