Chapter 4: Energy
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20 Terms
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Energy
________ is the ability to cause change.
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lightbulb
A(n) ________ is a device that transforms electrical energy into light energy and thermal energy.
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energy transformations
Some ________ are less obvious because they do not result in visible motion, sound, heat, or light.
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Energy
________ can be stored and it can move from place to place.
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Kinetic Energy
the energy a moving object has because of its motion
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Joule
The SI unit of energy
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Potential Energy
Stored energy due to position
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Elastic Potential Energy
energy stored by something that can stretch or compress, such as a rubber band or spring
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Chemical Potential Energy
Energy stored in chemical bonds
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Gravitational Potential Energy
energy stored by objects due to their position above Earths surface
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Mechanical Energy
the total amount of potential and kinetic energy in a system and can be expressed by this equation
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The Law of Conservation of Energy
states that energy cannot be created or destroyed
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Kinetic Energy
the energy a moving object has because of its motion.
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**Joule:**
The SI unit of energy
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**Potential Energy:**
Stored energy due to position
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Elastic Potential Energy:
energy stored by something that can stretch or compress, such as a rubber band or spring.
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Chemical Potential Energy
Energy stored in chemical bonds
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Gravitational Potential Energy
energy stored by objects due to their position above Earth’s surface.
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Mechanical Energy
the total amount of potential and kinetic energy in a system and can be expressed by this equation.
20
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The Law of Conservation of Energy
states that energy cannot be created or destroyed.