The 18 vertical columns on the periodic table

The matter that a wave travels through

The never-ending cycle in which one rock type changes to another

The process that works to weaken and break down earths surface

A rock created by remains or traces of an ancient organism

The number of proton/electron in an element

The unit for wave frequency

Small particles of soil or rock deposited by wind or water

Rocks are broken down by physical process, the chemical makeup of rock remains the same

A common process of fossilization when the bone of etc. is buried

More than one atom bonded together

a wave type in which the medium vibrates in the same direction the wave travels

Chemical/Physical break down of rocks, soil, or minerals at earth's surface.

Chemical reactions dissolve the minerals in rocks or change them to different minerals

Some fossils form when remains are compressed with high pressure leaving a dark imprint

A pure substance made up of one kind of atom

The number of waves that pass a fixed point in a given amount of time

The process of cooling after magma.

The process where rocks surfaces break off in sheets or layers

when a bone or etc. dissolves leaving its shape (mold) this later gets filled with other sediments

A mix of compounds and molecules that can be separated

A wave that travels along the surface of a medium

The process of compaction and cementation

Material moving down a slope

Bone or etc replaced by mineral