A MOUNTAIN MADE UP MOSTLY OF IT BEING FOLDED TOGETHER.

A MOUNTAIN MADE BY HUGE TILTED ROCKS.

THE BREAKING DOWN OF ROCKS INTO SMALLER PIECES.

THE PICKING UP AND REMOVAL OF ROCK PARTICLES.

A MIXTURE OF WEATHERED ROCK, ECT.

MATERIALS IN SOIL FORMED BY BREAKDOWN OF PLANT AND ANIMAL MAT.

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

WATER THAT SOAKS INTO SOIL AND ROCKS.

THE DOWNHILL MOVEMENT OF EARTHS MATERIAL BY GRAVITY.

THE DROPPING OFF OF SEDIMENT.

A HUGE SHEET OF ICE THAT MOVES SLOWLY OVER THE LAND.

A LOT OF MANY SIZES OF SEDIMENT DEPOSITED BY A GLACIER.

A DEPOSIT OF MANY SIZES OF SEDIMENT.

A NATURALLY OCCURRING SOLID IN EARTHS CRUST.

A ROCK THAT FORMS WHEN HOT.

A ROCK THAT IS FORMED FROM BEING SQUEEZED TOGETHER.

A ROCK THAT OS FORMED BY HEAT, PRESSURE, OR CHEMICAL REACTION.

ROCKS CONTINUALLY CHANGING FROM ONE KIND INTO THE OTHER.

THE BOTTOM LAYER IS THE OLDEST AND THE TOP IS THE YOUNGEST.

THE AGE OF A ROCK COMPARED TO ANOTHER ROCK.

EARTHS ROCK LAYERS FROM OLDEST TO YOUNGEST.

AN TRACE OF A LIVING THING PRESERVED IN EARTHS CRUST.

THE REMAINS OF LIVING THINGS THAT WAS WIDESPREAD.

THE TIME IT TAKES FOR THE ROCK TO DECAY INTO OTHER ELEMENTS.

THE AGE OF A ROCK IN YEARS.

ONE OF THE FOUR LONGEST STRETCHES TIME IN EARTH'S HISTORY.