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Unit 3
Energy transfers and waves
| Term | Definition |
|---|---|
| Kinetic energy | – the energy of an object that is due to the object’s motion. |
| Potential energy | - the energy that an object has because of its position, shape, or condition of the object. |
| Compression | - a wave that compresses the medium through which it is transmitted. |
| Media (medium) | - a physical environment in which phenomena occur. |
| Mechanical energy | - the amount of work an object can do because of the mass and velocity of an object. |
| Frequency | -the number of waves produced in a given amount of time. |
| Mechanical force | - forces that must travel through a medium. |
| Rarefaction | the bending of a wave as the wave passes between two substances in which the speed of the wave differs. |
| Amplitude | - the maximum distance that the particles of a wave’s medium vibrate from their rest position. |
| Wave | - a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium. |
| Pitch | - a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave. |
| Transverse wave | - a wave in which the particles of the medium move perpendicularly to the direction the wave is traveling. |
| Energy transformation | - or energy conversion is the process of changing one form of energy to another. |
| Crest | -The highest part of a wave. |
| Longitudinal wave | - a wave in which the particles of the medium vibrate parallel to the direction of wave motion. |
| Trough | -the lowest part of the wave between crests. |
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