Electricity and Magnetism

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Across
  1. 1. force that attracts all objects toward each other
  2. 8. a body that orbits a planet
  3. 10. a giant ball of superheated gas (H & He)
  4. 11. when an object in the sky comes between the sun and a third object
  5. 12. different shapes of the moon that you see
  6. 14. pattern or group of stars
  7. 16. cold mixture of dust and ice with a long tail
  8. 18. path followed by one object around a second object
  9. 19. an object that orbits the sun large and rounded
  10. 20. movement of one object around another
Down
  1. 2. imaginary line that passes through the center of Earth
  2. 3. tendency of an object to resist change in motion
  3. 4. darkest part of an eclipses shadow
  4. 5. Sun centered universe
  5. 6. one day per year when the sun appears highest in the sky
  6. 7. Earth centered universe
  7. 9. when neither hemisphere is tilted toward the sun
  8. 13. orbit of a planet that is oval
  9. 15. spinning of Earth on its axis
  10. 17. streak of light produced when a meteoroid burns