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100

What causes waves to form?

wind

100

 As you go down the ocean floor, how are temperature, pressure, and salinity affected?

The temperature decreases and pressure increases

100

Which moon phases cause neap tides?

first and third quarter moon

200

 What causes tides?

The gravitational pull of the moon

200

Define current

 the continuous, directed movement of water

200

What 2 ocean zones are over the continental shelf?

Neritic and intertidal

300

In which ocean zone is the density of ocean water the greatest?

trench

300

Surface currents

are caused by wind

300

What is the most extended, underwater, volcanic, mountain range called?

Mid-ocean ridge

400

What is Salinity?

how much salt is in the water

400

. Deep ocean currents are caused by the

density level

400

What is a gyre?

large system of circulating ocean currents

500

What causes water to become denser?

how cold it is and how much salt there is

500

Which moon phases cause spring tides?

new and full

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