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| All things in our physical environment can be classified in 2 ways |
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| anything that occupies space and has mass |
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| what are the fundamental building blocks of matter |
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| the quantity of matter contained in a physical object |
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| what can matter be transformed into |
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| waiting to do work (position) |
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| energy released by a chemical reaction |
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| when an electron moves through an electric potential difference |
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| heat created at the molecular level |
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| energy contained in the nucleus of an atom |
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| x-rays, radio waves, microwaves, and visible light |
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| radiation capable of ionization (when you remove an orbiting electron) |
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| 2 sources of ionizing radiation |
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| environmental and man-made |
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| when and by whom was x-rays discovered |
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| Nov. 8th, 1895 by Wilhelm Roentgen |
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| what was the crookes tube |
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| a partially evacuated glass tube, used during the discovery of x-rays |
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| what was the coolidge tube |
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| vacuum tube that could control x-ray energy and intensity |
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| primary radiation protection devices |
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| filtration, collimation, intensifying screens, protective apparel, gonadal shielding, protective barriers |
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| exposure(Gy(air)). . . kinetic energy transferred from photons to electrons during ionization and excitation |
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| dose absorbed by the patient (Gy(t)) |
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| the quantity of radiation received by workers (occupational dose) |
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| what are all the types of energy? |
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| potential, kinetic, chemical, electrical, thermal, nuclear, electromagnetic |
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| what are examples of natural environmental radiations |
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| radon(largest), cosmic rays, terrestrial radiation, and internally deposited radiocuclides |
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| what are examples of man made radiation |
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| medical x-rays, nuclear medicine, consumer products, occupational nuclear power |
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