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Details Title: Intro to Earth Science Description: Unit 1 Total Flash Cards: 18 Created: 09/08/2006 06:55:17	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Classification Definition Grouping together of similar observations and inferences to make the study of the environment meaningful Term Cyclic Change Definition Changes in the environment the occur in some orderly fashion in which the events constantly repeat. Term Density Definition Concentration of matter in an object. Ratio of mass over volume. (mass divided by volume) Term Dynamic Equilibrium Definition Balancing out of opposing forces. Example: evaporation adn condensation Term Inference Definition Interpretation of an observation. A metnal process that proposes causes, conclusions, or explanations for what has been observed. Term Instrument Definition Device to extend senses beyond normal limits Term Interface Definition Boundry between regions with different properties. Place for energy exchange Term Mass Definition Amount of matter in an object. Unlike weight, not affected by location. Term Measurement Definition A numerical value compared to a standard. For example, a ruler Term Natural Hazard Definition Object, process or situation that has the possibility of causing death, injury, or destruction of property. Term Natural Resource Definition Materials and resources in the environment used by humans. Term Observation Definition Perception of the environment by the senses, with or without aid of instruments. Term Percent Deviation Definition The numerical value, expressed as a percent by which a measurement differs from the standard or accepted value. Term Pollution Definition Substance or form of energy that harms people, plants and animals Term Prediction Definition Inference about conditions and behavior of envionment in the future. Term Rate of Change Definition How much a measurable aspect of the environment, called a field, is altered over time. (change in field value divied by change in time) Term Universe Definition Totality of all things that exist (matter, time, energy, space) Term Volume Definition Amount of space an object occupies