8th grade

1234567891011121314151617181920
Across
  1. 4. negative charged particle
  2. 7. in the outermost ring
  3. 9. higher high tides and lower low tides
  4. 12. central part of an atom
  5. 13. a plate boundary where tectonic plates slide past each other
  6. 16. distance light travels
  7. 17. law that says every action there's an opposite/equal reaction
  8. 19. have properties of both metals and nonmetals
  9. 20. law of acceleration of an object (F=m*a)
Down
  1. 1. a plate boundary where 2 plates move toward each other
  2. 2. a plate boundary where tectonic plates move away from each other
  3. 3. law that says an object in motion/at rest will stay in motion/at rest unless acted upon
  4. 5. shiny
  5. 6. W=Force*Distance
  6. 8. dull
  7. 10. positive charged particle
  8. 11. no charge(neutral)
  9. 13. used to identify type and location of land features
  10. 14. lower high tides and higher low tides
  11. 15. classifies stars by their temperature, color, and absolute magnitude
  12. 18. changes in the ocean water level