Across
- 4. imaginary lines forming half circles passing from the north pole to the south pole
- 7. distorts the continents as little as possible
- 9. stars shine because they
- 11. half
- 12. located in greenwich, england
- 18. how stars and planets were formed
- 20. stars form in a
- 21. massive spheres
- 24. map maker
- 25. adjusted to allow certain land masses to remain together in the same day
- 27. the distance measured in degrees from 0-90 N and S of the equator
- 28. 1 nautical miler per hour
- 29. nebula spinning skater bringing their arms up
- 30. give a two dimensional representation of a three dimensional object
Down
- 1. earth and ocean are an indirect result of a
- 2. inner material concentrated into
- 3. located on the half of the earth south of the equator
- 5. protects us from UV rays
- 6. reference line drawn around the earth halfway between north and south poles
- 8. located on the half of the earth north of the equator
- 10. moon provides for
- 13. this person suggests that water energy from thermal vents in the sea could have formed complex molecules of life
- 14. clumping smaller particles into larger masses
- 15. caused massive clouds in upper atmosphere
- 16. a typical yellow star
- 17. iron sunk to the middle of the plant and lighter minerals migrated to the surface forming the crust
- 19. early steps of organisms forming from organic building blocks
- 22. the earth rotates daily around the
- 23. outer material formed
- 26. shrinks under its own weak gravity