Colby Bailey

A mountain made up mostly of rock layers

A mountain made by huge titled blocks

The breaking down of rocks into smaller pieces

The picking up and removal of rock

A mixture of weathered rock

Material in soil formed by the break down of plant and animals material

Any of the layers of soil from the surface to the bedrock.

Water that soaks into soil and rock

the down hill movement of Earth

The dropping off of sediment. 

A huge sheet of ice and snow

A jumble of many sizes of sediment

A deposit of many sizes of sediment

A naturally occurring solid in Earth's crust

A rock that form when hot liquid lava cools and hardens

a rock that forms from small pieces of other rocks that are squeezed together

A rock that forms from another kind of rock

Rock continually changing from one kind into another

The idea that in a series of rock layers,the bottom layer is the oldest and the top layers is the youngest .

The age of a rock as compared with another rock

A listing of Earth's rock layers from least ro greatest

Any trace of animal remains

The remains of a living thang

The time it takes for half the mass of a radioactive elenment. 

The age off a rock in in years.

One of the for long stretches of time in Earth's history.