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Across 1. a medium that behaves as if it were an array of particles connected by springs 3. All waves transport ...... 5. A single, nonrepeated disturbance 6. a cycle per second 9. pebble dropped in a pond causes this 11. wave in which the displacement of the medium is parallel to the propagation 13. The direction of propagation to vibration in a longitudinal wave 14. A wave moves, or ...., through a space 15. the reduction in amplitude due to dissipation

Down 1. infared radiation from the sun 2. particles that have the same displacement and are moving the same way 4. An area where particles of matter are farther apart than at equilibrium 5. The direction of propagation to vibration in a transverse wave 7. the loudness of a soundwave is determined by this 8. if you halve the frequency, this happens to the period 10. produced by a regularly repeated disturbance 12. The point of maximum positive displacement