SCUBA
What does SCUBA stand for?
Self-contained underwater breathing apparatus
When was the earliest sea voyage recorded?
3200 B.C.
What advantages do submersibles have?
They have long duration and can go into greater depth
Which one runs parallel to equator?
Latitiude
What are volcanoes formed by?
Subduction, Rifting and Hotspots
Who made the first working SCUBA?
Henry Fleuss
What is north star?
Phoenician star was used for navigation around the mediterranean.
What does ROV stand for?
Remote operated vehicle
0 degree of the longitude is?
Prime Meridian
When do hotspot volcanoes occur?
Hot mantle reaches the surface plates
When was the first working SCUBA made?
1878
Who were the first to travel long distances beyond land in canoes?
Polynesians
What is the difference between ROV and AUV?
ROV's are attached to a chord AUV's are not.
Longitude runs?
Pole-to-pole and measures East to West
Which plate boundaries most likely produce volcanic activity?
Tectonics
Who made the first SCUBA with a compressed air?
Jacques Cousteau
What did Eratosthenes invented?
The first map with latitude and longitude
Which one of the two(ROV and AUV) must be pre-programmed with location?
AUV
0 degree of latitude is?
Equator
What are active volcanoes?
Are volcanoes which are either erupting or is likely to erupt.
What are the advantage and disadvantage of SCUBA?
Advantage- Lower cost and accessible
Disadvantage-Goes to a limited depth and has short duration
Who predicted the tides using phases of a moon?
Pytheas
Who made a Bathysphere in 1932?
William Beebe and Otis Barton
Where is 90 degree latitude located at?
North and South pole
What is an example of hotspot volcano?
Hawaiian Island