Name:Date:Student Exploration: WavesDirections: Follow the instructions to go through the simulation. Respond to the questions andprompts in the orange boxes.Vocabulary:amplitude, compression, crest, frequency, linear mass density, longitudinal wave, medium, period,power, rarefaction, transverse wave, trough, wave, wavelength, wave speedPrior Knowledge Questions(Do these BEFORE using the Gizmo.)1.A buoy is anchored to the ocean floor. A large wave approaches the buoy. Howwill the buoy move as the wave goes by?
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2.The two images show side views of ocean waves. How are the two sets of waves different?
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Gizmo Warm-upOcean swells are an example ofwaves. In theWavesGizmo, you will observewave motion on a model of a spring. The hand can move the spring up anddown or back and forth.To begin, check that theType of waveisTransverse,Amplitudeis 20.0 cm,Frequencyis 0.75 Hz,Tensionis 3.0 N, andDensityis 1.0 kg/m. (Note: In this Gizmo, “density” refers to thelinear mass density, or massper unit length. It is measured in units of kilograms per meter.)1.ClickPlay(). How would you describe the motion of atransverse wave?ClickPause(). Notice thecrests(high points) andtroughs(low points) of the wave.The motion of a transverse wave is consistent with it following the motion of the handmoving the spring. The wave moves in ups and downs.2.ClickReset(). Choose theLongitudinalwave and increase theAmplitudeto 20.0 cm. ClickPlay.How would you describe the motion of alongitudinal wave? ClickPause. Notice thecompressionsinthe wave where the coils of the spring model are close together and therarefactionswhere the coils arespread apart.The motion of a longitudinal wave is consistent with following the motion of the handmoving left and right; the wave moves side to side with the lines shown to be compressedthen spread out and vice versa.Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved
