Stems Unit 5

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Across
  1. 4. DEMOcracy
  2. 5. CONTRAdict
  3. 7. ASTRonomy
  4. 8. DECade
  5. 10. LUNAr
  6. 11. Marx ISM
  7. 14. OCTAgon
  8. 15. STEREOtype
  9. 17. SURplus
  10. 18. VITAlity
  11. 19. interSTELLar
  12. 22. ALTERnative
Down
  1. 1. TETRAhedron
  2. 2. THERMOstat
  3. 3. GYROscope
  4. 6. SONar
  5. 7. HELIOcentric
  6. 9. GEOgraphy
  7. 10. thermoMETER
  8. 12. HYPERactive
  9. 13. DYNAmic
  10. 16. teleSCOPE
  11. 18. AMATeur
  12. 20. CHRONological
  13. 21. reCOGNize