What are the basic differences between the disciplines of physical and historical geology?
Historical geology involves the study of rock strata, fossils, and geologic events, utilizing the geologic time scale as a reference; physical geology includes the study of how rocks form and of how erosion shapes the land surface.
________ was the highly influential, ancient Greek philosopher noted for his writings and teachings on natural philosophy and on the workings of Earth.
Compared to the age of Earth accepted as correct today, how did 17th and 18th century proponents of catastrophism envision the Earth's age?
They believed Earth to be much younger than current estimates.
________ was an important 18th-century English geologist and proponent of uniformitarianism.
Which of the following best describes the fundamental concept of superposition?
Any sedimentary deposit accumulates on top of older rock or sediment layers.
A ________ is a well-tested and widely accepted view that best explains certain scientific observations.
In correct order from the center outward, Earth includes which units?
inner core, outer core, mantle, crust
________, a popular natural philosophy of the 17th and early 18th centuries, was based on a firm belief in a very short geologic history for Earth.
The ________ proposes that the bodies of our solar system formed at essentially the same time from a rotating cloud of gases and dust.
________ is the process by which rocks breakdown in place to produce soils and sediments.