How does sedimentary rock form?
weathering, erosion, deposition, compaction, cementation
what does metamorphosis mean?
to change form
the majority of the rock that we see is which type?
what rocks are made directly from magma?
what are the major agents of erosion?
wind and running water
the temperature inside the earth is ____ than the temperature on the surface
any solid mass of mineral matter that occurs naturally as a part of our planet
what make up a rock
if lava/magma cools slowly, the crystals will be what size?
if lava/magma cools fast, the crystals will be what size?
pumice is an example of a:
what are the agents of metamorphism?
heat, pressure, hydrothermal solutions
a rock that has large crystals surrounded by fine-grained minerals has a ______ texture
what is mechanical weathering?
the breakdown of a rock that does not change its composition
what is chemical weathering?
the breakdown of a rock that changes its composition
what factor has the greatest effect on soil formation?
horizon c of a soil profile contains mostly:
partially weathered parent material
what is humus?
organic component of soil
what is the topmost layer in a soil profile?
what is frost wedging?
water freezes in the cracks of a rock and wedges it apart
what is the most important agent in chemical weathering?
clastic rocks contain what material?
weathered rock bits
rocks with fossils are _____ rocks