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100

________ may form between a barrier island or stack and the shore when waves flow around the obstruction and deposit sediments there, creating a sandbar that connects it to the mainland. 

Tombolo 

100

When a wave is breaking it is called a _____

Breaker 

100

Similar to an underwater mudslide or lahar is a ______ current 

Turbidity 
100

_______ currents are set in motion by winds 

Surface 

100

The change of current direction with depth is called ______ _____

Ekman spiral 

200

_____ usually result from a collapse of a sea arch. 

Stacks 

200

The distance that wind blows over the water's surface in one direction is the ______ of the wave 

Fetch 

200

A __________ current are hard to detect and we don't know as much about them. 

Subsurface 

200

_____ tides occurs throughout every month and every season of the year. 

Spring 

200

_______ is the main ocean surface current that flows northeast. 

Kuroshio 

300

When trying to conserve land _____ are built 

Groins 

300

The ______ ______ is the deepest depth below the ocean's surface that is affected by the wave's passage. 

Wave base 

300

_________ is when sea level is higher than average as surface currents cause the ocean to pile up. 

Downwelling 

300

______ ______ occur twice each year. 

Neap tide 

300

A ________ _______ develops between two liquids with different densities. 

Internal wave 

400
When movement produces a current that flows parallel to the shore is called __________ current 
Longshore current 
400

_______ is the distance between the same point on two side-by-side wave forms, usually crests or troughs. 

Wavelength

400

The movement of dense, cold, salty water from the abyssal regions to the surface is called ________

Upwelling 

400

The gravity of the moon affects the oceans more than the sun does.  This means that most tides are _______ _______

Lunar tides 

400

When waters are not deep they are _____

Shallow 

500

_______ currents usually flow through a gap in the breakers and the longshore bar under them. 

Rip 

500

_______ ______ is the vertical distance between the top or crest of the wave and its bottom, or trough. 

Wave height

500

Ocean surface currents are affected by the rotation of the earth through the ________ effect. 

Coriolis 

500

When currents form great circling flows they are called _____

Gyres 

500

The direction that a wave is going is called _____ ______

Wave direction 

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