Physics Crossword

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Across
  1. 4. Outward curve
  2. 5. Most familiar particles
  3. 6. Small Wavelengths
  4. 7. Loop de Loops
  5. 8. An Elementary Particle
  6. 11. 2nd Law of Thermodynamics
  7. 12. A quantum of light
Down
  1. 1. Inward curve
  2. 2. Having both positive and negative poles
  3. 3. The process through which atoms lose energy
  4. 9. The Atomic Nuclei
  5. 10. A Charged Particle