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Definition
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Term
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Definition
| Carried by electro magnetic waves |
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Term
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Definition
| Particles behave as electro magnetic waves |
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Term
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Definition
| Thermal Energy travels through |
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Definition
| In empty space, travels at the speed of light. |
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Definition
| Slower through matter and slowest through solids. |
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Definition
| Distroy the growth of bacteria on food or medical supplies. |
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Definition
| React with the ozone in the atmosphire, causing ozone mocules to break apart. |
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Definition
| In a TV produces 3 electron beams that focused by a magnetic field and strike a coated screen. |
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Term
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Definition
| Longer than one mm/low frequency |
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Term
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Definition
| between one mm and one m/communication and food. |
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Term
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Definition
| Between one mm and 750 billionths of a meter/transmits thermal energy. |
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Term
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Definition
| Between 750 and 400 billionths of a meter/Detectable by human eye. |
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Term
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Definition
| Between 400 and 40 billionths of a meter/cause sun damage/cause skin cancer/vitamin d |
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Term
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Definition
| Less than 10 trillianths of a meter/imaging. |
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Term
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Definition
| Less than 10 trillianths of a meter / radians therapy. |
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Term
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Definition
| A repeating disturbance or movement that transfers energy through mater or space |
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Term
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Definition
| The distance between 1 point on a wave and nearest point just like it |
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Term
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Definition
| The number of wave lengths that pass a fixed point each second. |
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Term
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Definition
| The amount of of time it takes one wave length to pass a point. |
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Definition
| The more energy the wave carries. |
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Term
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Definition
| The bending of a wave caused by a change in its speed as it moves from one medium to another. |
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Term
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Definition
| Occurs when an object causes the wave to change direction and bend around it. |
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Term
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Definition
| When 2 or more waves overlap and combine to form a new wave |
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Term
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Definition
| Forms when waves equal in wave length and amplitude, but traveling in oposite direction, continousely interfer with each other. |
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Definition
| The process by which an object is made to vibrate by absorbing energy at its natural frequency. |
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Term
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Definition
| A type of wave that can travel thru an empty space |
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Term
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Definition
| Anything that moves up and down or back and forth in a rythmic way |
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Term
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Definition
| Waves that can travel only through matter |
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Term
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Definition
| What frequency is expressed in |
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Term
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Definition
| Membrane that vibrates the bone of the inner ear |
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Term
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Definition
| Fluid-filled structure of the inner ear that contains hair cells |
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Term
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Definition
| Amount of sound energy that flows through a given area in a given time |
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Term
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Definition
| The way the brain percieves the intensiry of a sound |
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Term
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Definition
| The highest of lowest of sound |
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Term
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Definition
| Sounds with frequencies above 20,000 hz |
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Term
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Definition
| The change in pitch of a sound caused by motion of either the sound source or receiver |
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Term
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Definition
| Difference between sounds of the same frequency caused by overtones |
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Term
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Definition
| A combination of sounds and distinct pitches following a specificied pattern |
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Term
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Definition
| Multiples of the fundamental frequency |
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Term
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Definition
| The part of the violin that amplifies the sound of the strings |
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Term
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Definition
| Unpleasant echo effect caused by many sound reflections |
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Term
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Definition
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Term
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Definition
| Finding objects by emitting sound waves and interpeting the reflected sound |
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Term
| Materials with the speed of sound |
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Definition
Wood - 3,828 m/s
Air - 34p7 m/s
Water - 1,498 m/s |
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