click below
click below
Normal Size Small Size show me how
Duck Dynasty 6
Apologia General Science
Question | Answer |
---|---|
Catastrophism | The view that most of earth's geological features are the result of large-scale catastrophes such as floods, volcanic eruptions, etc. |
Uniformitarianism | The view that most of earth's geological features are the result of slow, gradual processes that have been at work for millions or even billions of years |
Humus | The decayed remains of once-living creatures |
Sedimentary rock | Rock that is formed from sediments which are laid down by water or some other agent and fuse together due to heat, pressure, and various chemical reactions |
sediments | Sand, silt, and other components of soil |
Igneous rock | Rock that forms from molten rock (magma, lava from volcanoes) |
Metamorphic rock | Rock that has undergone extreme change due to lots of heat and pressure |
Minerals | Inorganic crystalline substances found naturally in the earth |
Inorganic | Did not come from a living being |
Crystalline | Having a very sharp, geometric shape |
Strata | Layers |
Lamination | A single layer of rock that is less than 1 centimeter (0.39 inches) thick |
Laminate | Several lamination layers formed right next to each other |
Weathering | The process by which rocks are broken down by the forces of nature |
Erosion | The process by which sediments and rock fragments are carried away by wind or rain |
groundwater | Water that flows underground |
Cavern | Open space underground where groundwater has eroded the rock |
Stalactite | An icicle-like structure hanging down from the ceiling of a cavern formed by groundwater dripping and leaving sediment on the ceiling |
Stalagmite | A structure rising from the ground of a cavern formed by groundwater dripping and leaving sediment on the ground where it dripped |
Column | A structure formed in a cavern when a stalactite and a stalagmite meet and form a single structure |
Unconformity | A surface of erosion that separates one layer of rock from another |
Angular unconformity | An unconformity where the rocks below are tilted relative to the rocks above |