QUARTER 3

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Across
  1. 2. Average weather pattern over many decades
  2. 6. Fine particles of fragmented volcanic rock
  3. 8. Unit used to measure star surface temperature
  4. 9. The yellow dwarf star at our system's center
  5. 11. Side of a mountain that faces the wind
  6. 12. Star brightness at a standard distance
  7. 14. Molten rock underneath the Earth's crust
  8. 16. Volcano that erupted within the last 10,000 years
  9. 18. Greenhouse gas from livestock and organic waste
  10. 22. Luminous ball of gas held by gravity
  11. 23. Effect where gases trap solar heat
  12. 25. Distance north or south of the equator
  13. 29. Volcano that is quiet but may erupt again
  14. 30. A substance's internal resistance to flowing
  15. 31. Constellation known as the Hunter
  16. 33. Rain produced when mountains lift moist air
  17. 35. Opening through which volcanic materials escape
  18. 36. Cooling of the Pacific bringing heavy rains
  19. 40. Belief that star positions affect human fate
  20. 42. Directed movement of ocean water
  21. 44. Color of the hottest stars
  22. 45. Total energy a star radiates per second
  23. 46. Clearing of trees that increases CO2
  24. 48. Famous asterism used to find the North Star
  25. 49. Small volcano built from ejected rock fragments
Down
  1. 1. Funnel-shaped pit at a volcano's opening
  2. 3. Brightness of a star as seen from Earth
  3. 4. Eruption type marked by tall ash clouds
  4. 5. Warming of the Pacific causing weather shifts
  5. 7. Dry side of a mountain protected from wind
  6. 10. Vertical distance of a location above sea level
  7. 13. The highest point of a volcanic mountain
  8. 15. A recognized pattern of stars in the sky
  9. 17. Volcano made of alternating lava and ash layers
  10. 19. The scientific study of celestial objects
  11. 20. Magma that has reached the surface
  12. 21. Broad volcano formed by fluid lava
  13. 24. Constellation shaped like a W or M
  14. 26. Gradient showing heat increase with depth
  15. 27. Volcano not expected to erupt ever again
  16. 28. High-speed flow of hot gas and matter
  17. 32. Short-term state of the atmosphere
  18. 34. Mixture of water and volcanic debris
  19. 37. The North Star used for navigation
  20. 38. Main greenhouse gas from burning fossil fuels
  21. 39. Energy generated from the Earth's internal heat
  22. 41. Long-term rise in Earth's average temperature
  23. 42. Basin formed by a collapsed volcanic summit
  24. 43. Underground chamber where magma collects
  25. 47. Color of the coolest stars