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Cómo estudiar sus tarjetas
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Energy:
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Is the ability to cause change in matter.
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Kinetic energy:
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Is the energy of motion
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Potential energy
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Is the energy something has because of its position or condition.
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Mechanical energy
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Is the total potential energy and kinetic energy of an object.
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Chemical energy
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Is the energy that can be released by a chemical energy.
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Electrical energy
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Is energy that comes from electric current.
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Heat
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Is the energy that moves between objects of different temperatures.
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Conduction
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Is the transfer or movement of heat between two objects that are touching.
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Convection
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Is the transfer of heat within a liquid or a gas,because particles move easily and take heat with them
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Radiation:
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Is the transfer of heat without matter to carry it.
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Conductor
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A material that allows heat to move through it easily i
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Insulators:
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Materials that do not conduct heat well
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Atoms:
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are the building blocks of matter, they are made of protons, neutrons an d electrons
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Electrical charge:
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Is a property of a particle that affects how the atom behaves around other particles.
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Protons:
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small particles that have a positive charge (+1).
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Electrons:
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small particle that have a negative charge (-1).
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Neutrons:
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small particles that are neutral. They have no charge.
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Static electricity
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The buildup of electric charges on an object; if they have different charges they attract, if they have same charge, they repel
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Electric current
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the flow of electric charges along a path
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Insulators:
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A material that resists the flow of electric charges to flow through them.
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Conductor:
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A material that readily allows electric charges to pass through
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Circuit: ,
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path along which electrical charges can flow. it can be close or open, parallel or series
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Series circuit:
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Has only one path for electric charges to follow- if any part breaks, the ciruit is open and nothing works
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Parallel circuit:
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A circuit with several different paths for the charges to follow; if one part breaks the charge can still flow to other oarts
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Electric motor:
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An electric motor is a machine that changes electrical energy into energy of motion.
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Magnet:
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Is an object that attracts iron and few others metals.
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Electromagnet:
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A device in which current produces magnetism
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Generator,
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a device that converts machanical energy to electrical energy.
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