Physical Science Mega Crossword

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Across
  1. 2. contains hydrogen, reacts, ph less than 7
  2. 7. something that acts upon an object to move or change it
  3. 9. electricity moves through easily
  4. 12. force that makes electricity flow
  5. 15. chemicals changing each other in some way
  6. 16. everything is made of these
  7. 17. substance that makes up something
  8. 19. positive particle in an atom
  9. 20. reaction that combines molecules
  10. 21. middle part of an atom
  11. 22. conductive, shiny, ductile elements
  12. 23. energy from motion
Down
  1. 1. from the sun, a type of renewable energy
  2. 3. rate that electricity flows
  3. 4. electron on the outer shell of an atom
  4. 5. atoms together that cannot be broken down, like Iron or Calcium
  5. 6. electricity does not move through easily
  6. 8. the amount of matter
  7. 10. negative particle in an atom
  8. 11. reaction that breaks down molecules
  9. 12. oscillation that allows us to hear sound
  10. 13. dead guy that helped invent computer
  11. 14. the amount of gravity acting on mass
  12. 18. base unit of electricity
  13. 19. energy that hasn't done anything yet