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Any area of the sea that exceeds 6000 m in depth is called this
What is hadal zone?
The main factor that affects the color of the oceans
What is natural color?
This device has an open tube that is dropped to the sea floor to allow its weight to puncture sediment and bring up sediment samples
What is a gravity corer?
The deepest known point in the sea
What is the Challenger Deep (or Mariana Trench)?
The top layer of soil, which contains most of the organic substances and nutrients
What is topsoil?
The large waves created by underwater disturbances called these
What are tsunamis?
Icebergs float in seawater for this reason
What is icebergs are less dense than seawater?
A wave that grows taller and steeper as it travels to shore and topples forward with a white crest is called this
What is breaker?
The very slow downslope movement of soil and rock fragments
What is soil creep?
This idea states the fittest and strongest of organisms are most likely to survive and reproduce
Oceanographic tool charts currents far beneath the surface and sends back accurate measurements of those currents and water properties called this
What is profiling float?
The type of underwater valley gives mid-ocean ridges the appearances of having twin mountain ranges
What is a rift?
The circular paths that ocean currents move in
What is gyres?
This type of tide occurs when there i one high tide and one low tide each day
What is diurnal tide?
This type of fault occurs when rocks on one side of a fault are shoved on top of the rocks on the other side of the fault
What is a thrust fault?
A huge, muddy valley that cuts into the deep ocean floor called this
What is trench?
The upward-floating current that occurs when a land breeze pushes surface water away from the coast
What is an upwelling?
This type of weathering involves the breaking or peeling away of rock into layers
What is exfoliation?
Well-known amorphous igneous rock has a glass-like texture and splits to form sharp edges is called this
What is obsidian?
The ability to duplicate an experiment several times while keeping all factors as similar as possible between experiments and coming to the same conclusion is called this
What is repeatability?
A circular coral-reef island that grows around an underwater volcano
What is an atoll?
Oceanographers use this device to measure the temperatures at different levels and report them back to a surface ship
What is expandable bathythermograph?
The scientific term for the volume of the portion of the skull that includes the brain
What is the cranial capacity?
This type of volcano is made of alternating layers of lava and ash
What is composite volcano?
The method of measuring an earthquake's strength is based on the earthquake's effects on people and structures is called this
What is the modified Mercalli scale?