NOSB-1

Front

What is the temperature at which sea water has a maximum density?

Back

-2°C

Front

What is the current pH of ocean water?

Back

8.1

Front

What type of sediment comes from the solid parts of dead animals? Options: biogenous, hydrigenous, lithogenous, cosmogenous

Back

biogenous

Front

What igneous rock is the primary component of oceanic crust?

Back

basalt

Front

Which of the following is NOT part of the Bermuda Triangle? Miami Beach, Puerto Rico, Bermuda, Cuba

Back

Cuba

Front

Sunlight does not penetrate to this layer of the ocean.

Back

Aphotic

Front

Fish such as the American eel that live in freshwater, but spawn in seawater are called ...

Back

catadromous

Front

What device was invented by John Harrison to measure longitude? Options: compass, gyroscope, chronometer, globe

Back

chronometer

Front

This term describes water at depths below 1000m where there is little change in density.

Back

deep zone

Front

Period between high tide and low tide during which water flows away from the shore.

Back

Ebb tide