Across
- 3. zone the part of the Earth's surface between the Tropic of Cancer and the Tropic of Capricorn
- 5. the natural light of the day.
- 7. the star around which the earth orbits.
- 9. Solstice the solstice that marks the onset of summer
- 12. axis an invisible line around which an object rotates, or spins.
- 13. solstice the solstice that marks the onset of winter
- 14. an instance of revolving
- 15. ray a ray of artificial ultraviolet light
Down
- 1. the angular distance of a place north or south of the earth's equator
- 2. the planet on which we live; the world.
- 4. each of the four divisions of the year (spring, summer, autumn, and winter)
- 6. the period of 365 days (or 366 days in leap years) starting from the first of January
- 8. the time of darkness.
- 10. an imaginary line drawn around the earth equally distant from both poles
- 11. the amount, level, or extent to which something happens or is present.