Across
- 2. the position of an object relative to other objects
- 4. all the life on Earth
- 8. a set of interacting parts forming a more complex group
- 10. all the games that surround earth
- 12. the path one object takes to travel around another object
- 13. period of the year identified by changes in hours of daylight and weather
- 14. day of year when the Sun's rays shine straight down on the equator
- 15. all the water found on Earth
Down
- 1. day of year when Earth's North Pole is leaning either toward or away from the Sun
- 2. tells us the distance from the Equator
- 3. the imaginary line the Earth spins on
- 5. a system that makes up parts of a larger group
- 6. to go around the sun
- 7. Star the reference star pointed to by Earth's North Pole
- 8. angle the angle that sunlight strikes a surface
- 9. rocky material that makes up Earth
- 10. how far something is above the ground
- 11. how far a location is above sea level
- 16. to spin on our axis
