Across
- 7. Circulating air patterns
- 9. A highly reactive gas whose molecules are composed of three oxygen atoms
- 11. Neither hemisphere is tilted toward the sun, and the lengths of daylight and of darkness are approximately equal
- 13. A wind that blows over a short distance
- 16. A belt of high-speed wind in the upper troposphere
- 18. Are caused by difference in air pressure
- 19. What scientist use to mark out three different types regions
- 22. 365 1/4 days
- 24. What causes day and night
- 25. Where cooler air over land moves toward water
- 26. Has an altitude of about 12 km to 50 km
- 27. Without ______ Earth's surface would be a lot cooler than it is
Down
- 1. About 30% of the incoming _________ is reflected back into space by clouds, dust in the air, gases, and Earth's surface
- 2. The cooler air over the water flows toward the land
- 3. Produced during photosynthesis and released into the atmosphere
- 4. Occurs on the two days each year when the sun is directly overhead at the latitude 23.5 north or 23.5 south
- 5. Winds that blow over a long distance from a specific direction
- 6. The movement of one body in space around another
- 8. Lowest layer of the Earth's atmosphere
- 10. Caused by the tilt of Earth's axis as it moves around the sun
- 12. The process of capturing the sun's energy to make food
- 14. The condition of the atmosphere in a particular place at a particular time
- 15. Is the layer of gases that surrounds Earth
- 17. Air pressure changes with _____ .
- 20. Is a essential gas for for plants and some other organisms to carry out photosynthesis
- 21. The tool scientist use to measure air pressure with
- 23. The force exerted by the weight of a column of air on a surface