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20 Cards in this Set
- Front
- Back
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PERMEABLE |
ALLOWING WATER AND AIR IN BECAUSE OF TINY AIR SPACES |
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ABRASION |
THE GRINDING AWAY OF ROCK BY ROCK PARTICLES CARRIED BY WATER, ICE, GRAVITY |
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SOIL |
LOOSE WEATHERED MATERIAL ON THE SURFACE OF THE EARTH |
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ICE WEDGING |
WATER SEEPS INTO CRACKS THEN FREEZES AND EXPANDS THE CRACK THEN UNFREEZES AND SEEPS DEEPER INTO THE CRACK AND THEN FREEZES AGAIN |
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BEDROCK |
ROCK LAYER UNDER THE SOIL |
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WEATHERING |
THE PROCESS THAT BREAKS DOWN ROCKS AT THE EARTH'S SURFACE |
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SOD |
THE THICK MASS OF GRASS AND ROOTS ON THE TOP LAYER OF SOIL |
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DECOMPOSER |
A ORGANISM THAT BREAKS DOWN DEAD STUFF |
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CHEMICAL WEATHERING |
CHEMICAL CHANGES THAT BREAK DOWN ROCKS |
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EROSION |
WHEN ROCKS AND SOIL ARE MOVED OR REMOVED DUE TO WIND ICE WATER OR GRAVITY |
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SOIL HORIZON |
A LAYER OF SOIL THAT IS DIFFERENT FROM THE LAYERS BELOW AND ABOVE IT |
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SUBSOIL |
THE LAYER OF SOIL RIGHT UNDER THE SOIL ON THE SURFACE |
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LOAM |
SOIL WITH EQUAL PARET OF SAND, SILT, AND CLAY |
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FERTILITY |
A MEASURE OF HOW WELL THE SOIL SUPPORTS PLANT GROWTH |
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OXIDATION |
A CHEMICAL REACTION WITH OXYGEN WICH CAUSES RUST OR TARNISH |
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MECHANICAL WEATHERING |
THE BREAKING OF ROCKS INTO SMALLER PEICES |
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TOP SOIL |
CRUMPLY DARK BROWN SOIL THAT IS A MIXTURE OF HUMUS CLAY AND OTHER MATERIALS |
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HUMUS |
DARK COLORED SUBSTANCE THAT FORMS AS PLANTS AND ANIMALS DECAY |
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LITTER |
LEAVES THAT HAVE FALLEN TO THE GROUND MAKING A LOOSE LAYER |
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UNIFORMITARINISM |
THE THEORY THAT THE CHANGES IN THE EARTH'S CRUST HAVE OCCURED FOR THE SAME REASONS AS THEY DID IN THE PAST |
