Famous Physics Discoveries

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Across
  1. 2. – Measure of disorder in a system.
  2. 4. – Combining nuclei to release energy.
  3. 6. – Nearly massless particle.
  4. 8. – Basic unit of matter.
  5. 9. – Quantum of light.
  6. 10. – Force related to electric currents.
  7. 13. – Explosive death of a star.
  8. 14. – Einstein's theory of space-time.
  9. 15. – Particle that gives mass.
Down
  1. 1. – Negatively charged particle.
  2. 3. – Neutral subatomic particle.
  3. 5. – Space-time distortion by mass.
  4. 7. – Form of light or sound propagation.
  5. 11. – Force pulling objects toward Earth.
  6. 12. – Building blocks of protons and neutrons.