Physics > GIZMOS > Online Lab Longitudinal Waves Gizmo | 100% correct answers | 11 pages (All)

Online Lab Longitudinal Waves Gizmo | 100% correct answers | 11 pages

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Vocabulary: antinode, compression, displacement, frequency, interference, longitudinal wave, medium, node, rarefaction, standing wave Prior Knowledge Question (Do this BEFORE using the Gizmo.) In ... many science fiction movies, an evil alien spaceship explodes with an enormous KABOOM!! Suppose you were floating in space at a safe distance from a large explosion such as the supernova at left. Do you think you would you hear anything? Explain. _________No you would not hear anything because there is no medium to transport the sound__________________________________ ___________________________________________ ___________________________________________ Gizmo Warm-up No sounds can be heard in outer space because sound waves require a medium, such as air, to travel through. Sound waves are examples of longitudinal waves, or waves in which particles move back and forth in the same direction as the wave. You can use the Longitudinal Waves Gizmo™ to explore the behavior of sound waves. In the Gizmo, an air-filled tube contains 24 evenly-spaced, airtight dividers. To begin, select the Pulsed waves setting and the Open tube. Set the Strength to 1.00. Deselect the graph options at lower right. 1. Click Play ( ) to set off the firecracker by the left end of the tube. What do you see? _________The waves going back and forth________________________________________________________________ _________________________________________________________________________ 2. Do any individual air molecules travel the length of the tube? ________________________ How do you know? __________They do because the dividers don’t block them from going through _______________ [Show More]

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