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earth and space

Study guide for unit one test

Astronomer a scientist who studies various stars,
Astronomy the study of the universe beyond the earth
Geologist A scientist who studies topics related to the structure and composition of the earth
Geology The study of the structure of the earth, and the physical forces that continuously impact structure of the earth itself
Hydrosphere The portion of the earth covered by the earth
Meteorologist A scientist who studies the changes in the atmospheric conditions that produce different weather and climate patterns
Meteorology The study of the earth's atmosphere and the process that produce weather and climate conditions
Oceanographer A scientist who studies the ocean of the earth using scientific disciplines of biology, chemistry, physics, and geography
Oceanography The study of the earth's ocean
Science A collective human effort to comprehend, or better understand, the history of the natural world and how it works, through physical evidence collected via observations
Scientific hypothesis A proposed explanation for a narrow set of phenomena
Scientific law A description of an observed phenomenon that holds true every time it's tested under a given set of conditions
Scientific theory A scientific explanation formulated based on known facts and repeated testing
Big Bang Theory Suggests the origin of the universe started with an explosion and expansion of a very hot, dense, compact fireball
Cosmological principle The universe look the same at any location, but can change overtime
Cosmologist The study of the origin and structure of the universe
Cosmology The study of the origin and structure of the universe
Galaxy A large-scale collection of stars, dust, and gas held together by gravity
General relativity theory Albert Einstein's theory that space and time are relative to matter
Inflation Theory Theory that upholds the big bang theory, but suggests there was an extremely rapid expansion milliseconds after the big bang theory
Isotropic Identical in all directions
Oscillating universe theory Theory about the origin of the universe that suggests that the universe is a never-ending cycle of expansion and contraction
Created by: SHEMAN23



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