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Earth Science Ch. 1

Chapter 1 vocabulary

QuestionAnswer
hypothesis educated guess
scientific theory a hypothesis that has been well tested & widely accepted by the scientific community. It best explains certain observable facts.
Earth science name for the group of sciences that deals with Earth and its neighbors in space
system group of interacting parts that form a complex whole
hydrosphere all water on Earth
atmosphere life-sustaining, thin, gaseous envelope that surrounds Earth and protects us from the sun's radiation
geosphere that part of the Earth that lies beneath both the atmosphere and the ocean
geology study of Earth
oceanography study of composition and movements of sea water
meteorology study of atmosphere and processes that produce weather and climate
astronomy study of the universe
latitude distance north/south of the equator
longitude distance east/west of the prime meridian
prime meridian imaginary line that divides Earth into eastern and western hemispheres
equator imaginary line that divides Earth into northern and southern hemispheres
tophographic map map that shows elevation using contour lines
Created by: bellson
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