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13 Cards in this Set
- Front
- Back
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sound wave |
mechanical wave produced by a vibration and travels through a physical medium as a longitudinal wave |
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pitch |
the noise we hear that enables us to determine the frequency level of a sound |
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electromagnetic wave |
a three dimensional transverse wave produced through an energy transfer from accelerating electric charges. |
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refraction |
when light waves pass through a boundary between two mediums. |
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what is the color white? |
a reflection of all the colors and results from a combination of all the light waves. |
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radio waves |
have the longest wavelengths, lowest frequencies, and lowest energies. |
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microwaves |
produced by accelerating charged particles through vacuum tubes. |
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infrared waves |
heat emitted from warm bodies, the earth, the sun, or lamps. |
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ultraviolet waves |
emitted from the sun and other warm bodies. |
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x-ray waves |
produced by the collision of electrons against a target in a vacuum tube. |
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gamma ray waves |
shortest wavelengths, highest frequencies and energies. produced by radioactive atoms. highly dangerous. |
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science |
a body of knowledge that is testable and observable. |
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pseuoscience |
claims that are represented as scientifically based that have not been tested. |
