Across
- 3. Path the Sun takes across the sky
- 4. Longest or shortest day of the year
- 6. Boundary above the stratosphere
- 8. Energy being taken in by surfaces
- 14. Main gas in the exosphere
- 15. What particles do to light
- 16. What particles do to light energy
- 17. Coldest atmospheric layer
- 18. How tightly packed air molecules are
- 20. Result of Earth’s axial tilt
- 22. Gas that makes up about 20% of the atmosphere
- 23. Incoming solar radiation
- 24. Cause of Earth’s seasons
- 25. Layer where temperatures increase greatly
- 27. Beginning of fall
- 28. Occurs in the troposphere
- 29. Process that breaks rocks into sediment
- 30. Determines solar energy received
- 31. Northern lights phenomenon
- 33. Force of air pushing on surfaces
- 36. Layer containing the ozone layer
- 40. Part of atmosphere that creates auroras
- 43. Lowest layer of Earth’s atmosphere
- 44. Mixture of gases surrounding Earth
- 46. Water vapor’s role in heating the atmosphere
- 47. Angle at which sunlight hits Earth
- 48. Tiny solid or liquid particles in air
Down
- 1. Type of radiation absorbed by ozone
- 2. Energy process in the Sun’s core
- 5. Delay in heating and cooling
- 7. Minor gases found in the atmosphere
- 9. Boundary above the mesosphere
- 10. Water changing from liquid to gas
- 11. Gas that makes up about 80% of the atmosphere
- 12. Beginning of spring
- 13. Force that holds air molecules near Earth
- 19. Outermost atmospheric layer
- 20. Main source of Earth’s energy
- 21. Season with highest sun angle
- 24. Water released from plants
- 26. Receive the least direct sunlight
- 32. Type of energy radiated by Earth
- 34. Receives the most direct sunlight
- 35. Instrument used to measure air pressure
- 37. Gas that absorbs UV radiation
- 38. Season with lowest sun angle
- 39. Water vapor source from living organisms
- 41. Light gas in the exosphere
- 42. Energy bouncing back into space
- 45. Boundary above the troposphere