1. A single disturbance that moves from point to point through a medium is called a ___., period, periodic wave, wavelength, pulse, 2. If the particles of the medium are vibrating to and fro in the same direction of energy transport, then the wave is a ____ wave., longitudinal, sound, standing, transverse, 3. When the particles of a medium are vibrating at right angles to the direction of energy transport, then the wave is a ____ wave., longitudinal, sound, standing, transverse, 4. If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating _____., from north to south, only, both north and south, from east to west, only, both east and west, 5.As a pulse travels though a uniform medium, the speed of the pulse ____., decreases, increases, remains the same

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