1. Energy
the ability to do work or cause change
Law of the Conservation of Energy
energy can never be created or destroyed; it simply changes form
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3. Forms of Energy
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4. Kinetic Energy­­energy due to motion
the amount of kinetic energy depends on speed and mass
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11. Sound Energy
a wave of vibrations that spreads from its source
back­and­forth motion of an object
causes particles to bump one another and create "waves"
frequency­­a measure of how fast particles are vibrating
volume of sound­­measured in decibles; more decibles = louder sound
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