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18.1 Chemistry

Vocabulary Words

QuestionAnswer
electromagnetic waves transverse waves consisting of changing electric fields and changing magnetic fields
electric field a field in a region of space that exerts electric forces on charged particles; a field produced by electric charges or by changing magnetic fields
magnetic field a field in a region of space that exerts magnetic forces; a field produced by magnets, by changing electric fields, or by moving charges
electromagnetic radiation the transfer of energy by electromagnetic waves traveling through matter or across space
photoelectric effect an emission of electrons from a metal caused by light striking the metal
photons a packet of electromagnetic energy
intensity the rate at which a wave's energy flows through a given unit of area
Created by: MarieElyn
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