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19 Cards in this Set

  • Front
  • Back
Crystal
solid that has a variety of special shapes
Extrusive igneous rocks
igneous rocks that form on the surface of the Earth
Geology
the study of rocks their history and the processes that form and change them
Igneous rocks
rocks formed from cooled magma
Interlocking crystals
crystals that lock together and grow into each other in a rock
Intrusive igneous rocks
igneous rocks that form below the surface of the Earth
Lava
molten rock reaching the Earths surface
Mantle
Layer of earth below the crust
Minerals
chemical substances found in rocks
Acid rain
rain water that includes acids from pollution in the air
Agents of erosion
factors that cause erosion-water,wind and ice
Chemical weathering
water or chemicals in the water and air reacting and breaking down rock
Consistency
the tendency of soil particles to stick together
Erosion
removal of weathered rock particles away from the site of the weathering
Permeability
a measure of how fast water enters the soil
Physical weathering
breakdown of rocks by physical processes
Pore spaces
the amount of space in the soil that
Sedimentation
the water or wind depositing eroded rock particles
structure
how well the soil particles join up to form lumps