Physical Science

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Across
  1. 1. heat transfer through direct contact
  2. 4. light completely passes through
  3. 8. total kinetic energy of all particles
  4. 9. light cannot pass through
  5. 11. bending of a wave
  6. 13. heat transfer through electromagnetic waves
  7. 14. atoms held together by chemical bonds
  8. 15. push or pull
  9. 16. force of attraction due to mass
  10. 17. particles move perpendicularly to wave
  11. 18. heat transfer in fluids
Down
  1. 2. average kinetic energy of particles
  2. 3. waves that require a medium
  3. 5. smallest unit of matter
  4. 6. energy that is stored
  5. 7. particles move parallel to wave
  6. 10. energy of motion
  7. 12. light partially passes through
  8. 13. light bounces off a surface
  9. 14. the material through which a wave travels