15 A
Water makes up what percent of the world?
70%
How long is a single fathom?
1.83 m
What does ROV stand for?
remotely operated vehicle
Definition of Diving bell
an open-bottomed chamber supplied with compressed air, in which a person can be let down under water.
How old is the worlds oldest boat?
5000-5200 Years old
How do scientists study small areas of the ocean?
By sampling and measuring at multiple depths at many locations
Who designed the first Scuba suit?
Jacques-Yves Cousteau
Definition of Oceanographer
The branch of science that deals with the physical and biological properties and phenomena of the sea.
When did the challenger expedition return to England?
1876
What do marine biologists use to collect bottom-dwelling animals?
With a grab sampler
What does AUV stand for?
Definition of Sounding
The action or process of measuring the depth of the sea or other body of water.
What were three main reasons for the early voyages of discovery?
Merchants and government wanted to open new routes of trade so they can get things like gold , spices, and silk's from faraway lands.
What is a sonar?
A form of artificial echolocation
When was the first human operated submarines created?
Mid-1960s
Definition of Mixed-gas diving
Diving by using oxygen, nitrogen, helium
What country was the worlds oldest boat from?
Kuwait
List three things oceanographers may measure at a sample point?
- water clarity
- sediments
- salinity
- living organisms
- density
- temperature
- currents
700m
Definition of Trieste
A city northeastern Italy, the largest port on the Adriatic Sea; population 205,341