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Definition
| Any disturbance that transmits energy through matter or space. |
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| A solid, liquid or gas that is vibrated. |
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| Waves in which the particles of the medium vibrate with an up and down motion. |
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| Waves in which the particles of the medium vibrate back and forth along the path that the wave travels. |
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| In a body of water, is an example of a combination of both transverse and longitudinal waves. |
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| Maximum distance the wave vibrates from the rest position. |
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| The distance between any adjacent crests or compressions in a series of waves. |
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| The number of waves produced in a given amount of time. |
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| The speed at which a wave travels. |
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| The bending of a wave as it passes at an angle from one medium to another. The speed of a wave depends on the medium. When the speed changes the wave changes its angle. |
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| Occurs when a wave bounces back after striking an object. |
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| The bending of waves around a barrier or through an opening. |
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Definition
| The result of two or more waves overlapping. |
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| Constructive Interference |
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Definition
| Increases amplitude when waves interact. |
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Definition
| Decreases amplitude when waves interact. |
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Definition
| A wave that forms a stationary pattern (harmonic) in which portions of the wave are at a rest position due to destructive interference and other parts of the wave have a large amplitude. |
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Definition
| The frequency at which standing waves are produced. |
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Definition
| When an object vibrates at or near the resonant frequency of the second object causes the second object to vibrate. |
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Definition
| How log or how high you perceive a sound to be. |
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Definition
| Sounds with frequencies that are lower than 20HZ. |
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Definition
| Sounds with frequencies that are higher than 20,000HZ. |
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| The apparent change in the frequency caused by the motion of either the listener or the source of the sound. |
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Definition
| How loud or soft a sound is perceived to be. |
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Definition
| The most common unit used to express loudness. |
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| The process of using reflected sound waves to find objects. |
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| The explosive sound heard when a shock wave reaches your ears. |
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Definition
| The emission of energy in the form of EM waves. |
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Definition
| The entire range of electromagnetic waves. |
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Definition
| States that the angle of incidence is equal to the angle of reflection. |
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Definition
| The falling of a beam of light on a surface. |
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Definition
| Light beams reflect off all points of the surface at the same angle. |
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Definition
| The light beams will reflect at many different angles. |
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Definition
| The transfer of energy carried by light waves to particles of matter. |
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Definition
| The release of light energy by particles of matter that have absorbed energy. |
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Definition
| The passing of light through matter. |
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Definition
| Matter through which visible light is easily transmitted. |
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| Matter that transmits light but also scatters the light as it passes through matter. Wx paper is an example of translucent matter. |
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Definition
| Matter that does not transmit any light. |
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Definition
| Objects that produce visible light. |
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Definition
| A visible object that is not a light source. |
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Definition
| Mirror with a flat surface. |
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Definition
| Mirror that is curved inward. |
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Definition
| Mirror that is curved outward. |
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Definition
| The point on the axis of a mirror or lens through which all incident parallel light rays are focused. |
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Definition
| The distance between a mirror or lens through which all incident parallel light rays are focused. |
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| A lens that is thinner in the middle than at the edges. |
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Definition
| A lens that is thicker in the middle than at the edges. |
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Definition
| A transparent membrane that protects the eye and refracts light. |
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| A curved transparents object that forms an image by refracting light: also part of the eye that refracts light to focus an image on the retina. |
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Definition
| The back surface of the eye. |
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Definition
| An image through which light passes. |
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| An image through which light does not actually pass. |
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Definition
| The very narrow range of wavelengths and frequencies in the electromagnetic spectrum that humans can see. |
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Term
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Definition
| High energy electromagnet waves that are between ultraviolet light and gamma rays in the electromagnetic spectrum. |
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