Physics crossword

123456789101112131415161718
Across
  1. 2. the particles that make up protons and neutrons
  2. 5. the 4 basic forces of nature are gravitation, weak force, strong force and the ______force
  3. 10. proven facts that are used to predict events. Aka rules of nature
  4. 11. the 'ghost particle'
  5. 13. speed with direction
  6. 14. the place we live in (think big)
  7. 15. a recently discovered elementary particle
  8. 17. the science that deals with matter, energy, motion, and force.
  9. 18. something you would feel if this crossword pushed you
Down
  1. 1. one of the founders of quantum mechanics
  2. 3. the exertion of force upon a surface by an object, fluid, etc., in contact with it
  3. 4. the pronumeral 'c' in Einstein's famous equation
  4. 6. this theory is one of the building blocks of modern physics
  5. 7. one of the most famous scientists
  6. 8. author of Mathematical Principles of Natural Philosophy
  7. 9. the force keeps Earth moving around the Sun
  8. 12. one of the two classes of elementary particles
  9. 16. a particle emitted by nuclear fission
  10. 17. the 4th state of matter