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science

QuestionAnswer
what are the renewable resources? solar enjegy, wind, thermal enegy, hydropower, geothermal
what are the non-renewable resources? oil, gas, coal, patrolium, natural gas
what are fossil fuels? a nonrenewable resource formed from the remains of organisms that lived long ago
what are the energy forms? thermal, sound, nuclear, mechanical, chemical, electrical, light
what are the energy states? potential, kinetic
what is friction? the property that causes objects to resist being moved across each other
what are four factors of friction? soft materials, larger surfaces, rough surfaces, high pressure
what is the work calculation? force x distance= work
what is a closed system ? a group of objects that transfer enegy only to each other
what is the law of concervation of energy? energy cannot be created nor destroyed
what is a wave? a disturbance that transfers energy from place to place
what is a mechanical wave? a wave that requires a medium through which to travel
what are transverse waves? waves that move the medium at right angles to the direction in which the waves are traveling
what is a crest? the highest part of a transverse wave
what is a trough ? the lowest part of a transverse wave
what is a longitudinal wvae? a wave that moves the particles of a medium parallel to the direction in which waves are traveling
what is a medium? the material through which a wave travels
what is amplitude? the maximum distance the particles of the medium carrying a wave move away from their rest position
what is wave length ? the distance between tw correspodning parts of a wave
what is frequency? the numbers of complete waves that pass a given point in a certain amount of time
what is electromagnetic waves? a form of radient energy
what is the calculation for speed? distance divided by time=speed
what is pitch? the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone
what is vibration? an instance of vibrating.
what is vacuum? a space entirely devoid of matter.
what is an open system? a material system in which mass or energy can be lost to or gained from the environment.
what is a newton? . the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes.
what is force? strength or energy as an attribute of physical action or movement
Created by: peytonsxles
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