Chapter 8 Crossword

3. What is one of the reasons why people in the US and Great Britain riot when the calendar changed?
5. What is the saltiest sea?
6. Maps that show lines connecting points of similar elevation on land are called ____ ____.
7. The 0 degree longitude line runs from the north pole to the south pole passing directly through the Royal Navy Observatory in _____, England.
12. Charts of the ocean showing similar contour lines are called ______.
13. How many days does it take the earth to orbit the sun?
17. The sun changes by one ___ for each 15 degrees of longitude.
19. What are the smallest types of organisms found in the ocean (Spongebob's archenemy)
21. Why is the earth slightly pear shaped?
23. Circle The sun doesn't sink below the horizon in the _____ _____.
24. Who first proved that all of the Earth's oceans were connected (in 1519)?
25. What percentage of living space do the oceans make up?
26. Europe is separated from Asia by ____ ____.
28. What area of the Atlantic is notorious for having strange things occur and navigational instruments to malfunction?
29. Was the moon closer or farther when the Earth was younger?
30. Zulu time happens when the sun is directly above the ______ ______.

1. Where are the deepest points on Earth?
2. Lines of latitude are also known as _________
4. Worlds ocean is divided into _ ____ _____ ______
8. What is the height of the highest mountain on Earth in meters?
9. What type of object can give us information about the conditions in which the solid planets (like Earth) formed?
10. What percent of water is locked up in ice on Earth?
11. Sun continues it's southward movement.
14. Periods of daylight in Northern Hemisphere.
15. How long ago were there at least islands of continental crust on Earth?
16. How are the ocean depths measured today?
18. of longitude are also known as _____.
20. What is the depth of the deepest ocean trench in meters?
22. Earth's iron core creates a magnetic field which protects the planet from _____.
27. Smallest of the continents.