A MOUNTAIN MADE BY ROCK LAYERS

A MOUNTAIN MADE BY HUGE TILTED BLOCKS

THE BREAKING DOWN OF ROCKS

THE PICK UP AND REMOVAL OF ROCK PARTICES

A MIXTURE OF WEATHERED ROCK DECAYED PLANTS AND ANIMAL MATTER

MATERIAL IN SOIL FROMED BY THE BREAKDOWN OF PLANT AND ANIMAL

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

WATER THAT SOAKS INTO SOIL AND ROCK BY COLLECTING IN SPACES

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 THE SIDES

A NATURALLY OCCURRING SOILD IN EARTH 'S CRUST WITH DEFINITE

A ROCK THAT FORMS WHEN HOT LIQUID LAVA COOLS AND HARDENS INTO A

A ROCK THAT FORMS FROM PIECES OF OTHER ROCKS THAT ARE SQUEEZED

A ROCK THAT FORMS FROM ANOTHER KIND OF ROCK THAT IS CHANGED

ROCKS CONTINUALLY CHANGING FROM ONE KIND

THE IDEA THAT IN A SERIES OF ROCK LAYERS THE BOTTOM LAYER

THE AGE OF A ROCK AS COMPARED WITH ANOTHER ROCK

A LISTING OF EARTH'S ROCK LAYERS IN ORDER FROM OLDEST TO YOUNGEST

ANY TRACE IMPRINT OR REMAINS OF A LIVING THING PRESERVED

THE REMAINS OF A LIVING THING THAT WAS WIDESPREAD BUT LIVED FOR

THE REMAINS OF A LIVING THING THAT WIDESPREAD BUT LIVED

THE OF A ROCK IN YEARS AS DETERMINED

ONE OF FOUR LONG STRETCHES OF TIME IN EARTH'S HISTORY