Mid Term Science Crossword Review

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Across
  1. 1. protons, neutrons and electrons.
  2. 5. law of action and reaction.
  3. 6. Color, gas, light, temperature or precipitate change in a substance.
  4. 8. when new solids are formed in a substance.
  5. 12. elements on the right or left are reactive.
  6. 14. number that represents the # of molecules in an atom.
  7. 17. newtons 1st law.
  8. 18. the distance traveled divided by the time.
  9. 19. smallest particle of an element.
  10. 20. a change in speed or direction.
Down
  1. 2. shows elevation of landforms.
  2. 3. positive charge.
  3. 4. malleable, luster, ductile and a conductor.
  4. 7. speed plus direction.
  5. 9. person who came up with the theory of continental drift.
  6. 10. theorgy of continental plate drift in 1912.
  7. 11. matter is neither created nor destroyed.
  8. 13. properties of metal and non-metal.
  9. 15. brittle, dull and is an insulator.
  10. 16. tug of war where no one wins is an example of what force.