Across
- 5. the most northerly circle of latitude on Earth
- 6. layer of Earth's atmosphere that extends 311-621 Miles
- 8. type of wind that blows from the ocean to the land
- 12. latitude on the Earth at 66.5 degrees south
- 13. orbits the earth and reflects sunlight
- 14. waves in which the vibration of the medium is parallel
- 15. It is the second layer of the atmosphere
- 18. means the moon is shrinking
- 19. type of wind that blows from the land to the ocean
- 20. extends from about 50 to 85 km (31 to 53 miles) above
Down
- 1. latitude on the Earth 23.5 degrees south of the equator
- 2. uppermost region of the Earth's atmosphere
- 3. the lowest layer of Earth's atmosphere
- 4. line of latitude around the Earth, at 66°3 north
- 7. an instrument that can be use to observe small object
- 9. imaginary line around the middle of a planet.
- 10. means the moon is growing
- 11. a wave vibrating at right angles to the direction
- 16. When the Moon casts a shadow on the Earth
- 17. When the Earth casts a shadow on the moon