Theoretical Concepts in Physics

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Across
  1. 2. If it is comfortable to live on it's a
  2. 6. The earth gets most of its energy from
  3. 8. Distance/time
  4. 11. Actual Mechanical Advantage accounts for
  5. 13. Velocity/time
  6. 14. When a wave is reflected back and forth driven at the proper frequency
  7. 16. A combination of two protons and two neutrons, a He4 nuclus
  8. 19. Electrons that come from nuclear event
  9. 21. Velocity/frequency
  10. 22. Work/Time
  11. 24. My teacher calls himself
Down
  1. 1. By volume the universe is mostly
  2. 3. "the "size" of the wave
  3. 4. If it has 100,000,000,000 stars it is a
  4. 5. Small solid object orbiting a sun
  5. 7. A _______________ consists of everything observable
  6. 9. Which is a few light hours across?
  7. 10. If it goes around a planet it is a
  8. 12. When waves can cancel each other out, this is called
  9. 15. Our sun will eventually become a
  10. 17. Which are (is) a few light years away from us?
  11. 18. Power/area
  12. 20. Force/area
  13. 23. ForcexDistance