Science Basics
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Created by:
Smileyriley10 on October 14, 2011
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Unit test review
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24 terms
Terms | Definitions |
|---|---|
 Science | organized way of using evidence to learn about the natural world; also, the body of knowledge that scientists have built up after years of using this process |
| observation | the action or process of observing something or someone carefully or in order to gain information |
| data | facts and statistics collected together for reference or analysis |
| hypothesis | a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation |
| variable | not consistent or having a fixed pattern; liable to |
| control | the power to influence or direct people's behavior or the course of events |
| Earth science | the branch of science dealing with the physical constitution of the earth and its atmosphere |
| geology | the science that examines Earth its form and composition, and the changes it has undergone, and undergoing |
| oceanography | the scientific study of the oceans and oceanic phenomena. |
| meteorology | the scientific study of the atmosphere and the atmospheric phenomena; the study of weather and climate |
| astronomy | the scientific study of the universe and includes the observation and interpretation of celestial bodies and phenomena |
| hydrosphere | the water portion of earth, one of the traditional sub-divisions of earths physical environment. |
| atmosphere | the gaseous portion of the planet; the planets envelope of air; one of the tradition subdivisions of earths physical environment |
| geosphere | the layer of earth under both the atmosphere and the oceans; it is composed of the core, the mantle, and the crust. |
| biosphere | all life on Earth; the parts of the solid Earth, hydrosphere, and atmosphere in which living organisms can be found |
| latitude | the distance north or south of the equator measured in degrees |
| longitude | the distance east or west of the prime meridian measured in degrees |
| topographic map | a map that represents earth surface in elevation, it shows elevation, distance, directions, and slope angles. |
| contour line | a line on a topographic map that indicates an elevation, every point along the contour line has the same elevation |
| contour interval | on a topographic map, tells the distance in elevation between adjacent and contour lines |
| theory | a well tested and widely excepted view that explains certain observational facts |
| mass | the amount of matter in a object |
| volume | the amount of space an object takes up |
| density | mass per unit of volume of a substance, usually expressed as grams per cubic centimeter |
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