Early Explorers
This civilization was credited with being the first Europeans to reach North America.
The Vikings
Who captained an expedition around the world and was the first to land on Tahiti and Hawai'i?
Captain James Cook
In the ocean, depth is measured in
Fathoms
The left side of a ship
What is port?
0 degree latitude is called the _____________.
Equator
This civilization is considered to be the first to conduct long-distance, open-ocean voyages.
The Polynesians
Who was the first person to circumnavigate the globe?
Ferdinand Magellen
What is a knot?
What is one technological advancement within the past 80 years that makes navigation significantly more accurate.
GPS
Satellites
Buoys
Submersibles
Computers
Mathematical Models
180° longitude
What is the International Date Line?
Vikings and other early explorers used this to navigate at sea, before longitude/latitude & GPS
What is the North Star
When was 1985?
Equal to 6 feet.
What are fathoms?
The year modern SCUBA equipment was invented.
When was 1943?
~34°N latitude
What is the tropic of Cancer?
This civilization is credited with being the first to record their ocean explorations
The Egyptians
This was the first major exploration devoted solely to the study of Marine Science.
HMS Challenger Expedition
What is a knot?
What is tomorrow?
Typing the coordinates 43.6415° N, 70.2409° into your GPS would bring you here
Where is South Portland, ME?
Ptolemy included these on 1950 BC map, which is the first record we have of them.
What are longitude and latitude lines?
Jacques Piccard and Don Walsh aboard the submersible Trieste
Who were aboard the only manned mission to the bottom of Marianna's Trench
Data from the HMS Challenger's expedition is still being used to see impacts of climate change. Salinity is changing in this way:
What is fresh areas are becoming fresher; salty areas are becoming saltier?
The color of a boat's light if you approach it from the starboard (right) side.
What is green?
Longer than a statute mile
What is a nautical mile?