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Marine history Vocab

Directions: In the study it folder in CH 2 use the flash cards to help complete this puzzle 
Across
The first wholly scientific oceanographic expedition, 1872–1876; named for the steam corvette used in the voyage
(1706–1790) Published the first chart of an ocean current in 1769
An American naval officer and strategist; the influential author of The Influence of Sea Power upon History, 1660–1783
(1693–1776) British clockmaker who invented the modern chronometer in 1760
(276–192 b.c.e.) Greek scholar and librarian at Alexandria who first calculated the circumference of Earth about 230 b.c.e.
The means by which a nation extends its military capacity onto the ocean.
The agency of the U.S. government primarily responsible for oceanic science, service, and stewardship.
Regularly spaced imaginary lines on Earth’s surface running north and south and converging at the poles
device that reflects sound off the ocean bottom to sense water depth. Its accuracy is affected by the variability of the speed of sound through water
Regularly spaced imaginary lines on Earth’s surface running parallel to the equator.
Latin form of okeanos, the Greek name for the “ocean river” past Gibraltar.
(1728–1779) Officer in the British Royal Navy who led the first European voyages of scientific discovery
Down
The greatest collection of writings in the ancient world, founded in the third century b.c.e. at the behest of Alexander the Great; could be considered the first university
1451–1506) Italian explorer in the service of Spain who discovered islands in the Caribbean in 1492. Although traditionally credited as the discoverer of America, he never actually sighted the North American continent
(c. 1480–1521) Portuguese navigator in the service of Spain who led the first expedition to circumnavigate Earth, 1519–1522. He was killed in the Philippines
Explorers led by Zheng He into the Indian Ocean and around the tip of Africa
Satellite-based navigation system that provides a geographical position—longitude and latitude—accurate to less than 1 meter (3.3 feet)
1806–1873) “Father” of physical oceanography. Probably the first person to undertake the systematic study of the ocean as a full-time occupation
A very consistent clock. It doesn’t need to tell accurate time, but its rate of gain or loss must be constant and known exactly so that accurate time may be calculated.
A person who makes maps and charts.
A map that depicts mostly water and the adjoining land areas.
An instrument for showing direction by means of a magnetic needle swinging freely on a pivot and pointing to magnetic north