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42 Cards in this Set

  • Front
  • Back
earth science
the study of the earth and the universe surrounding it
oceanography
the study of the Earth's ocean
astronomy
the study of physical things beyond the earth's atmosphere
hypothesis
a prediction of what you think will happen
inference
an educated guess based on an observation
Density
the mass per unit of volume of a substance
Inorganic Substance
a substance that is not made up of living things or the remains of living things
Silicate minerals
minerals that contain a combination of oxygen and silicon
Fracture
a mineral's tendency to break alont irregular surfaces; a break in the Earth's surface
Weathering
the breaking down of rocks into smaller pieces by physical or chemical processes
Hydrolosis
the breaking down of a compound by a chemical reaction
Oxidation
a chemical change in which a substance combines with oxygen
Mass wasting
the downhill movement of loose rocks and soil due to gravity
abrasion
the wearing down of rock surface by other rocks or sand particles
gully
a narrow ditch cut in the Earth by runoff
moraine
a large ridge or mound of till
bedrock
the layer of solid rock beneath the soil
pore space
the amount of space between soil particles
soil profile
a cross-section of the layers of soil and bedrock in a particular region
law of superposition
a law that states that each layer of sedimentary rock is older than the layer above it and younger than the layer beneath it
fault
a break in the earth's crust along which rocks move
intrusion
a large mass of igneous rock pushed into layers of existing rock
carbon-14 dating
determining the age of things of organic origin by measuring the radioactivity of their carbon-14 content
Appearance of Age theory
a theory that states that the earth is only a few thousand years old, but God created it appear old
The systematic study of creation using methods basedd on observation and experimentation
Science
The application of science
Technology
Things that record the quality of something
Qualitative
Observations that can be measured
Quantitative
Flexibility
Plasticity
The outermost,rigid layer of the earth composed of the stiff upper laye of the mantle and the crust
Lithosphere
The boundary between the mantil and the crust
Moho(mohorovicic discontinuity)
The breaking down of the rocks into smaller pieces by physical or chemical processes
Weathering
The mechanical weathering process n which water in the cracks of rocks freezes and expands, widening the cracks
Ice wedging
The result of nitrogen oxides,sulfur and carbon dioxide reacting in the atmospher with water and returning to the earth as precipitation
Acid rain
The downhill movement of loose rocks and soil due to gravity
Mass wasting
The loose layer of rock and soil
Regolith
A rapid downhill movement of a large mass of mud
Mudflow
The extremely slow downhill slide of soil
Soil creep
A wide, shallow bay where the mouth of a river valley becomes submerged by ocean water
Estuaries
Sediments deposited by glaciers
Glacial drift
Any particle bigger than sand
Gravel
The time it takes for half of the atom of that element in a mineral to decay into ation of another element
1/2 life