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27 Cards in this Set
- Front
- Back
Science
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an endeavor dedicated to the accumulation and classification of observable facts in order to formulate general laws about the natural world
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Density
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describes how tightly packed the matter in a substance is
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Classification
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a systematic arrangement of data into groups based on set criteria
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Spontaneous generation
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the idea that living organisms can be spontaneously formed from non-living substances
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Geocentric System
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the system in which the earth is at the center of the universe, and the planets and stars orbit around the earth
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Alchemy
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the nonscientific pursuit in which people tried to turn lead (or other inexpensive substances)into gold (or other expensive substances)
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Chemical Reaction
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one or more substances interact to form one or more new substances
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Supernova
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the explosion of a star
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Nebula
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a cloud of dust or gas in interstellar space (forms from a supernova)
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Heliocentric (Copernican) System
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the system in which the sun is at the center of the solar system, and the planets orbit around the sun
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Ellipse
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the collection of points in which the sum of the distance between two points (foci) are the same
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Atmospheric Pressure
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the pressure exerted by the atmosphere on all objects within it
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Microscope
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an optical device that makes enlarged images of minute objects
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Enlightenment
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a period in history which marks the beginning of a change in the underlying assumptions of science
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Industrial Revolution
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a period in history in which as scientific knowledge grew, inventors were able to use this knowledge to invent machines that worked faster and more productively, thus manual labor decreased
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Law of Mass Conservation
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Matter cannot be created or destroyed. It can only change form.
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Combustion
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the process of burning
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Theory of Evolution
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a theory stating that all life on this earth has one (or a few) comman ancestor(s) that existed a long time ago
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Immutability of the Species
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a concept in which living creatures of every type that exist today have existed throughout history
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Natural Selection
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a process in which living organisms can adapt to changes in their surrounding, and over time can lead to new organisms that are radically different from their ancestors
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Pasteurization
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partial sterilization of a substance that does not chemically alter the substance
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Geology
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the study of earth's history as revealed in the rocks that make up the earth
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Genetics
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the science that studies how characteristics get passed from parent to offspring
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Electromagnetism
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the union of electricity and magnetism
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The First Law of Thermodynamics
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energy cannot be created or destroyed. It can only change forms
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Quantum mechanics
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a modern day view of physics, which depend on the assumption that energy comes in small packets called "quanta"
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Theory of Relativity (Special)
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matter is just another form of energy (E=mc2)
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