EOY Science Review Semester 1 pt 1h

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Across
  1. 5. explanation of an event or observation in nature
  2. 7. transfer of energy (heat) through waves
  3. 8. where hot gas moves up and cooler gas falls
  4. 10. the true brightness of an object
  5. 12. entire range of radiant energy
  6. 14. outermost layer of a star
  7. 16. model of the solar system/universe with Earth in the middle
  8. 17. a rule that describes a pattern in nature
  9. 19. observation made using measurements
  10. 20. the brightness of a star as viewed from Earth's surface
  11. 22. model of the solar system with the Sun in the middle
  12. 23. How many variables can be changed in an experiment?
Down
  1. 1. observation made suing the senses
  2. 2. where nuclear fusion takes place
  3. 3. diagram relates the surface temperature and absolute brightness of a star
  4. 4. apparent surface of a star
  5. 6. variable variable that is being tested
  6. 9. layer that covers the core
  7. 11. orange-red layer of the Sun
  8. 13. group in a controlled experiment not introduced to the independent variable
  9. 15. transfer of energy(heat) through direct contact
  10. 18. 150000km
  11. 21. variable variable that is measured for effect