A MOUNTAIN MADE UP OF MOSTLY ROCK LAYERS THAT WERE SQUEEZED

A MOUNTAIN MADE BY HUGE TILTED BLOCKS OF ROCKS

THE BREAKING DOWN OF ROCKS INTO SMALLER ROCKS

THE PICKING UP AND REMOVAL OF ROCK PARTICLES

A MIXTURE OF WEATHERING ROCK

MATERIAL IN SOIL FORMED BY THE BREAKDOWN OF PLANTS AND ANIMALS

ANY OF THE THE LAYERS OF SOIL FROM THE SURFACE TO THE BEDROCK

WATER THAT SOAKS INTO SOIL AND ROCK

THE DOWNHILL MOVEMENT OF EARTH MATERIAL CAUSED BY GRAVITY

THE DROPPING OFF OF SEDIMENT

A HUGE SHEET OF ICE AND SNOW THAT MOVES SLOWLY OVER THE LAND

A JUMBLE OF MANY SIZES OF SEDIMENT DEPOSITED BY A GLACIER

A DEPOSIT OF MANY SIZES OF SEDIMENT IN FRONT OF OR ALONG GLACIERS

A NATURALLY OCCURRING SOLID IN EARTH'S CRUST

A ROCK THAT FORMS WHEN HOT, LIQUID LAVA COOLS INTO A SOLID

A ROCK THAT IS FORMED WHEN OTHER ROCKS ARE SQUEEZED TOGETHER

A ROCK THAT IS FORMED BY OTHER ROCKS THAT ARE CHANGED BY HEAT

ROCKS THAT CONTINUALLY CHANGING INTO OTHER ROCKS

THE IDEA IN ROCK LAYERS THAT THE LAYERA AGE ARE DIFFERENT

THE AGE OF A ROCK AS COMPARED WITH ANOTHER ROCK

A LISTING OF EARTH'S ROCK LAYERS IN ORDER

ANY TRACE, IMPRINT,OR REMAINS OF LIVING THINS

THE REMAINS OF LIVING THINGS THAT WAS WIDESPREAD

THE TIME IT TAKES FOR HALF OF THE ELEMENTS IN AROCK BREAK APART

THE AGE OF A ROCK IN YEARS

ONE OF THE FOUR LONG STRETCHES OF TIME