Sound Revision - 9 Science

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Across
  1. 2. Sound travels slowest in a ______ because the particles are further apart
  2. 5. How fast sound travels in a solid
  3. 7. How fast sound travels in a liquid
  4. 8. A type of sound wave - particles vibrate up and down
  5. 9. How fast sound travels in a gas
  6. 10. Region of space in a sound wave which the air particles are bunched together
  7. 11. The more closely packed the ____________are in a medium = the faster a sound wave will travel
Down
  1. 1. Region of space in a sound wave which the air particles are more spread out
  2. 3. Our number 1 priority in Science
  3. 4. A form of energy produced by vibrations. These vibrations travel as waves through a medium (such as air, water, or solids)
  4. 6. A type of sound wave - particles vibrate back and forth in the same direction that the energy travels
  5. 9. Sound travels fastest in a ______ because the particles are closer together