Chapter 7 & 8 Crossword

2. What year did the UN establish major boundaries?
4. As a star converts more H into heavier elements the energy outputs rises and the star swells into ________.
6. the earth rotates daily around the ____.
11. Color that can penetrate the ocean waters.
13. Most accurate representation of the features of the earth.
16. how stars first form.
17. Distance measured by marine and air navigators is in _______ miles.
18. What continent is bordered by the Indian Ocean to the East.
19. South America includes all countries south of _______.
20. single continuous land mass that includes Europe and Asia.
22. The _______ ____ is the warmest and is the trade route between Africa and Asia.
23. The term ___ is a term of tradition and is not used consistently.
24. the release of volatile substances and water vapor.
27. What is ocean is the second to smallest.
28. The meridian of Longitude.
29. The second largest, major shipping ocean.
30. Earth belongs to what galaxy?
31. Distorts the continents little as possible by not slicing into them.
32. - clumping smaller particles into larger mass.

1. The first organisms on Earth.
3. Accretion period lasted.
5. continent of the South Pole.
7. The parallel of Latitude.
8. __________ Experiment in 1953.
9. What is the name of the line drawn close to the 180 degree meridian that separates neighbors by 24hrs?
10. What are map makers?
12. Why do stars twinkle?
14. Smallest continent in size
15. what percent of the Earth is covered with ice?
21. The _____ ____ is the smallest, coldest, and also known as the Northern Sea.
25. A star that blows up.
26. The largest ocean basin.