energy basics. energy is: the ability to do work, or make a change 2 types: -kinetic – energy of...
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ENERGY BASICS
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Energy is: The ability to do work, or make a change
2 Types:-KINETIC – Energy of motion-POTENTIAL – Energy of position, or stored energy
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Newton’s Cradle:
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Why are the balls slowing down? Is the system losing energy?
NO! ENERGY CAN NEITHER BE CREATED NOR DESTROYED = Law of the Conservation of
Energy
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So if energy is not destroyed, it must be:CHANGED INTO A DIFFERENT FORMThere are seven main types of energy1.) Mechanical – energy of movement
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2. Thermal energy – total amount of energy
in the form of heat
3. Sound energy – vibrations that carry
energy in waves
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4. Nuclear energy – energy stored in atoms
5. Chemical energy – energy stored in
chemical bonds (food, gas, battery)
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6. Electrical energy – energy carried by electrical current
7. Radiant energy – energy carried by light
waves
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II. Energy Transformations A. Energy is constantly changing from one form to another. This change is called an Energy Transformation.
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1. Chemical energy in gasoline is transformed into mechanical energy in the engine of the car. 2. Electrical energy is transformed into sound energy inside your stereo.
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Kind of transformation?
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Kind of transformation?
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Kind of transformation?