absorb, to take in something steadily, amplitude, the greatest height of a wave in its resting position, analog, a continuous signal that send information, antenna, the part of a device that receives radio-wave signals, appear, to be seen or showing up, circular wave, a disturbance at a single point that moves outward in all directions, crest, the top point of a transverse wave, digital, signals that use clear-cut numbers to represent data, frequency, the number of times a wave repeats itself in a certain amount of time, longitudinal wave, a wave that moves in the same direction as the particles it travels through, plane wave, a wave that is made when a line of matter is disturbed, range, all possibilities between two endpoints, ray, a line of energy that moves in one direction until it hits an object, receiver, the part of a device that changes radio waves into a useable message, reflect, to bounce off an object, refract, to bend when passing through an object, signal, a message, superposition, waves meeting and combining amplitudes as they move, system, a group of parts that work together to complete a task, transfer, to move from one object to another, transmitter, the part of a device that sends radio signals, transverse wave, a wave that moves and carries energy perpendicular to the particles it travels through, trough, the bottom part of a transverse wave, wave, a disturbance that travels in a pattern and carries energy, wave period, the time it takes a wave to move one wavelength, wavelength, the distance between similar points on a wave

Topic 3: Waves

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