Phy-110 Assignment 5

1. A ________ is a well-tested and widely accepted view that best explains certain scientific observations.
Answer
| | hypothesis | | | generalization | | | law | | | theory |
2 points
Question 2 1.
What are the basic differences between the disciplines of physical and historical geology?
Answer
| | physical geology is the study of fossils and sequences of rock strata; historical geology is the study of how rocks and minerals were used in the past | | | 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 | | | physical geology involves the study of rock strata, fossils, and deposition in relation to plate movements in the geologic past; historical geology charts how and where the plates were moving in the past | | | None of thesephysical geology and historical geology are essentially the same. |
2 points
Question 3 1.
The relatively stable interior portion of a continent is known as a ________.
Answer
| | craton | | | shield | | | platform | | | belt |
2 points
Question 4 1.
The most prominent features on the ocean floor are the ________.
Answer
| | deep-ocean trenches | | | oceanic ridges | | | seamounts | | | lava plateaus |
2 points
Question 5 1.
The ________ forms the relatively cool, brittle plates of plate tectonics.
Answer
| | asthenosphere | | | lithosphere | | | astrosphere | | | eosphere |
2 points
Question 6 1.
The asthenosphere is actually a part of the ________ of the Earth.
Answer
| | outer core | | | crust | | | inner core | | | mantle |
2 points
Question 7 1.
The ________ is not a part of the Earth's physical environment.
Answer
| | solid Earth | | |