Physical Science Crossword!

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Across
  1. 2. a push or a pull
  2. 4. force that opposes motion
  3. 6. distance divided by time
  4. 8. two or more atoms chemically bonded together
  5. 13. a subatomic particle that has no charge
  6. 15. the smallest unit of an element
  7. 16. type of wave that transfer energy through a vacuum
  8. 17. the center of an atom
  9. 18. force that pulls objects towards each other
  10. 20. subamotic particle with a positive charge
Down
  1. 1. when a wave bounces off of a surface
  2. 3. lowest point of a transverse wave
  3. 5. material that does NOT easily transfer charge and heat
  4. 7. type of circuit where electrons have more then one pathway to travel
  5. 9. anything that has mass and takes up space
  6. 10. material that charges and heat can easily pass through
  7. 11. the 2 ends of a magnet where the greatest force is felt
  8. 12. distance between 2 neighboring crests or troughs on a wave
  9. 14. subatomic particle with a negative charge
  10. 19. area of high pressure in a longitudinal wave