Semester 1 Review Crossword

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Across
  1. 2. unit for amount of matter in a substance
  2. 3. part of lunar cycle when light grows more visible
  3. 6. stars with this color are the hottest
  4. 7. dense things do not ____ .
  5. 10. smallest unit of matter
  6. 12. lightning
  7. 18. elements in a group share similar _____.
  8. 19. Saturn, Uranus, Jupiter and _____ and gas giants
  9. 20. type of eclipse during new moon
  10. 21. type of eclipse during full moon
  11. 22. high energy electromagnetic radiation
  12. 24. dense things do ____.
  13. 25. amount of space something occupies
  14. 28. stars with this color are the coolest
  15. 31. amount of matter in a given space
  16. 34. model of solar system with sun in the middle
  17. 35. dark, cool area on Sun
  18. 36. similar to metals, but not quite
  19. 38. extra-large stars are called _______
  20. 39. AU is distance between ___ and Sun
  21. 40. positively charged subatomic particle in nucleus
  22. 41. causes tides
Down
  1. 1. distance light travels in one year
  2. 4. weak tide when Earth, Moon, and Sun are at L shape
  3. 5. solar ____ is a loopy structure extending from Sun
  4. 8. type of EM radiation that is visible
  5. 9. part of lunar cycle when light fades away
  6. 11. model of solar system with earth in the middle
  7. 13. average stars on HR Diagram are ____ (2 words together)
  8. 14. when the north has fall, the south has
  9. 15. unit for weight
  10. 16. billions of stars make a
  11. 17. contains all of existence; made of billions of galaxies
  12. 23. Rocky planets are Earth, Venus, _______ and Mercury
  13. 26. pure substance that makes up living and nonliving things
  14. 27. mass is 8g; volume is 2 mL; density is ____ g/mL
  15. 29. force of gravity
  16. 30. Venus is _____ than Mercury because of its thick atmosphere
  17. 32. shortest wavelength of visible light
  18. 33. amount of matter in a substance
  19. 35. source of light in solar system
  20. 37. negatively charged subatomic particle