Science Review Crossword

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Across
  1. 2. when the molecules are very spread out
  2. 3. a electrical circuit that is not complete
  3. 7. , reactivity,flammability,melting point
  4. 9. , color, shape, odor, hardness
  5. 11. light and color that humans can see with a naked eye
  6. 12. the resistance of the object on the surface
  7. 16. when the molecules are tight together
  8. 17. when the molecules are farther away from each other
  9. 19. mass divided by volume
  10. 20. to pass something onp
  11. 22. top point of the wave
  12. 24. a line moving up and down
Down
  1. 1. anything that takes up space
  2. 4. A orbit of an object in a circular motion.
  3. 5. to soak up something
  4. 6. action of turning on an axis
  5. 7. a electrical circuit that is complete
  6. 8. a piece of an atom with a positive charge
  7. 10. four divisions of the year caused by Earth's position with the sun.
  8. 13. to throw back something or show an image
  9. 14. a line moving from left to right
  10. 15. a material that allows electricity to flow through it
  11. 18. a piece of an atom with no charge
  12. 21. a material that does not let electricity go through it
  13. 23. a celestial body orbiting around a star