70s Theme crossword

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Across
  1. 2. Chicago Bears running back legend.
  2. 4. Popular dance song involving making letters with your arms.
  3. 10. Series about the Ingalls family, living on a farm in Plum Creek.
  4. 11. "Bye Bye miss..."
  5. 15. Wrote "Ain't no Mountain High Enough."
  6. 16. Popular 70s hairstyle.
  7. 17. 2nd place all time in NBA scoring.
  8. 18. Band famous for their hit song, "Stairway to Heaven."
  9. 20. Colorful band of fabric, used to hold back hair.
Down
  1. 1. Largest electronics company.
  2. 3. Famous movie starring Al Pacino as the head of the Italian Mafia.
  3. 5. First Star Wars movie.
  4. 6. Had two presidential terms from 1969 - 1977.
  5. 7. Type of dance typically with a sparkling sphere.
  6. 8. Method of dying colorful clothing.
  7. 9. 70s slang for "okay" or "cool."
  8. 12. Singer who was famous for his white suits and slicked back hair.
  9. 13. Popular 70s British singer who wrote "I'm Still Standing."
  10. 14. "Yellow Submarine"
  11. 19. The first ever video game, resembling tennis.