Science Crossword Puzzle

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Across
  1. 5. Subatomic particles with a negative charge.
  2. 6. The rate at which work is being done.
  3. 9. Subatomic particles with a neutral charge.
  4. 10. Subatomic particles with a positive charge.
  5. 12. Energy of motion.
  6. 13. These share properties of both Metals and Non-metals.
  7. 15. The use of force to move an object some distance.
  8. 18. Outside electrons involved in reactions or bonds.
  9. 19. Stored Energy.
  10. 20. Unit for mass.
Down
  1. 1. Energy from electromagnetic waves.
  2. 2. Horizontal rows in a periodic table
  3. 3. The most reactive metals.
  4. 4. Energy cannot be created or destroyed, only transformed.
  5. 7. The energy from a moving object.
  6. 8. A push or pull on any object.
  7. 11. Vertical columns in a periodic table.
  8. 14. The ability to do work.
  9. 16. The most reactive non-metals
  10. 17. The amount of matter in an object.