Physics Crossword

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Across
  1. 4. shows how we represent energy transfer
  2. 5. energy stored in fuel, released when chemical reactions take place
  3. 6. used to stop carbon dioxide emissions
  4. 10. change of wavelength from a moving source, motion away from observer
  5. 12. used to explain the expansion of the universe
  6. 13. the circulation of a fluid caused by heating it
  7. 15. heat flow from under ground
Down
  1. 1. state of matter where particles are close together but can move around
  2. 2. energy transfer by electromagnetic waves
  3. 3. spreading of waves when pass through a gap or move past an obstacle
  4. 7. the unit weight is measured in
  5. 8. change of velocity per second when an object slows down
  6. 9. best conducter of heat
  7. 11. the best conductor of heat
  8. 14. speed in a given direction