The Ocean Floor
The Ocean Shore Zone
Waves, Currents and Tides
Life in the Ocean
Miscellaneous
100

This part of the land is located underwater and its width varies. In some places it is shallow, in others it can be very deep. 

Continental shelf 

100

Sandy shorelines can also be called this

beaches 

100

This is the main cause of waves and surface currents. 

wind

100

This term refers to the concentration of salt in ocean water 

salinity 

100

This term refers to the lowest part of a wave 

trough 

200

These are considered to be underwater mountains 

Mid-ocean ridge 

200

This term describes the area where a river or rivers flow into the ocean

estuary 

200

The regular rise and fall of water in earth's oceans is caused by this

the moon

200

These two ocean animals are often mistaken for plants 

coral and sponges 

200

These giant sea waves can be caused by underwater landslides or earthquakes 

tsunamis 

300

This is the deepest part of the ocean basin.

trench

300

Theses naturally occurring landforms function to protect the mainland from the effects of waves

barrier islands

300

A wavelength is measured from this to this.

crest to crest 

300

This is the location of eyes on a starfish

the end of their arms 

300

These can bring sand, shells, fish and ocean sediments into the beach and leave them behind.

tides 
400

This narrow valley is located in the center of the highest part of the mid-ocean ridge.

rift

400

This term describes the water filled space between barrier islands 

inlet 

400

These types of currents are caused by ocean temperature.

density currents

400

This is another term for univalves and bivalves 

mollusks 

400

This is the term for a seamount that has risen above the water line.

volcanic island 

500
This is the low flat area of the ocean basin 

abyssal plains 

500

These types of constructive and destructive processes can cause the shape of barrier islands to change.

Erosion and deposition 

500
This term describes a wave as it reaches shallower water and curls over

breaker 

500

This plant grows inside of coral, creating oxygen for the coral to breath 

algae 

500

This causes currents to flow along curved paths 

the rotation of the earth

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