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Unit 1 Vocabulary; Earth and Space II

23 PTS
Due: 8/23
Across
the most prominent feature on the ocean floor; composed of igneous rock that has been fractured and uplifted
small volcanic structures that dot the ocean floor
relatively steep drop off that extends from the continental shelf to the deep ocean floor
relatively flat plateaus approximately 0.8 kilometers above sea level composed of granitic rocks
the solid Earth
the portion of the seafloor adjacent to major landmasses
Earth layer that is approximately 2900 kilometers thick and composed of peridotite
Earth’s thin, rocky outer skin
Earth science field that seeks an understanding of the origin of Earth and its development through time
Rocks formed from the cooling and solidification of magma (molten rock)
a well-tested and widely accepted view that the scientific community agrees best explains certain observable facts
all plant and animal life found on Earth
the gaseous envelope that surrounds the Earth
composed of basaltic rocks, is 3.8 kilometers below sea level
Down
Earth layer composed of an iron-nickel alloy
a group of interacting parts that form a complex whole
the stable interior of the continents
expansive, flat regions of deformed crystalline rocks in the cratons
a gently sloping region of continental crust extending from the shore
Rocks derived from weathering of preexisting rocks
Idea that the bodies of our solar system evolved from an enormous rotating cloud called the solar nebula
Idea that the physical, chemical, and biologic laws that operate today have operated throughout the geologic past
Earth Science field that examines Earth materials and seeks to understand the many processes that operate on our planet
a tentative (or untested) explanation