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15 Cards in this Set
- Front
- Back
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Permeability
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The ability of a material to allow fluids to pass through it
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Porosity
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The property of being porous, being able to absorb fluids
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Capillarity
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The attractive force between water molecules that stops some water from moving down to the ground
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Saturation
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The process that occurs when no more of something can be absorbed
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Soil Moisture Zone
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A moist layer, the plants obtain water
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Zone of Aeration
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Pore spaces are filled mostly with air
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Capillary Fringe
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Water is drawn upward, narrow pore spaces
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Zone of Saturation
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Pore spaces are mostly filled with water
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Water Table
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The boundary between pores filled with water and pores filled with air
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Bedrock
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The lowest layer
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Uniformitarianism
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The idea that the geologic features have formed gradually by processes that are still happening
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Relative age
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The age of a rock layer, fossil or geologic event in relation to everything around it
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The Law of Original Horizontality
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States that sediment deposits in flat level layers in water
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The Principle of Superposition
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The idea that the bottom layers are the oldest unless the layers have been overturned
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Absolute age
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The exact age of a rock, fossil or event in years
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