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15 Cards in this Set
- Front
- Back
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Effinciency
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the efficincy of a machineor mare generally, of a process in which some energy or work is put in and some work comes out
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Primary Consumer
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the 1st consumer organism in a givin food chain
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Secondary Consumer
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animals that obtain their food by feeding only on plant eating animals
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Tertairy consumer
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Use the sun's energy to obtain food
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Carbohydrate
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any of various compounds of carbon, hydrogen, and oxygen
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Mass
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a number that measures the quantity of matter
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Kinetic Energy
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The energy possesed by moving an object
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Fusion
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the formation of a heavier nucleus from 2 lighter ones resulting in the release of energy
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Fission
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The splitting of a heavy nucleus into 2 nearly equal parts
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closed system
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a system where nothing enters and notihng leaves a system that must use and reuse everything in it
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Open system
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a system such as a living organism in which both matter and energy are exchanged between a system and the environment
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Law of Conservation of Matter
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The total mass of the Earth is constant
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Law of Conervation of Energy
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That energy can neither be created nor destroyed, but it can be transformed from one form to another
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2nd Law of Thermodynamics
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In any conservation of energy from one form to another, there is always a decrease in the amount of useful energy
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Potential Energy
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Stored energy
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