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Unit E5 Focus Words

Access Student Page (includes Focus Words list and slides for the unit)wave

noun – a moving disturbance

radiation

noun – the transferring of energy as waves

transmission

noun – sending a signal (often using radio waves)

electromagnetic

adjective — combining electricity and magnetism

spectrum

noun – a range of things or characteristics

visible

adjective — able to be seen, especially by humans

noun – the rate at which something repeats over time

noun – the distance in a wave between one crest and the next, or between two consecutive troughs

noun – a substance (like a solid, liquid, or gas) that the energy of a wave can travel through.

analog

adjective — having a variable signal that is continuous in time and amplitude, in contrast with a digital signal

digital

adjective — represented by a system that stores data as 1s and 0s in discrete values (rather than a continuous spectrum), in contrast with the continuous nature of an analog signal

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