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Trimester 2 Science vocabulary and concepts:
Heat & Energy
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Energy
• the ability to cause change
Heat Energy Heat Energy
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Potential Energy• the stored energy an object has due to its
position or chemical composition
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Kinetic energy
• the energy of motion--the more mass or speed, the more kinetic energy
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The Law of Conservation of Energy
• states that energy can neither be created nor destroyed
http://www.youtube.com/watch?v=BVxEEn3w688&feature=related
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Electrical energy
• energy of moving electrical charges
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Electromagnetic energy
• energy that is transmitted through space in the form of electromagnetic waves
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Thermal energy
• the total amount of energy from the movement of the particles in an object
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Chemical energy
• energy stored in the chemical composition of matter
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Sound energy
• energy produced by the vibration of particles that people and animals can detect
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Mechanical energy
• energy that moves objects
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Nuclear energy
• energy stored in the nucleus of an atom
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Heat
• the flow of energy from a warmer object to a cooler object
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Temperature
• a measure of the average amount of kinetic energy of the particles in an object
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Conduction
• the transfer of heat energy from one object to another when they are touching
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Convection
• the transfer of heat energy from the movement of particles in a gas or a liquid
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Radiation
• the transfer of heat energy through electromagnetic waves
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Conductor
• an object or material that transfers energy easily
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Insulator• an object or material that doesn’t transfer
energy easily