Oceans Currents Crossword

masses of cold water are called
caused by Earth's rotation
air currents flow in a clockwise pattern in the ______hemisphere
air currents flow in a counter-clockwise pattern in the _____ hemisphere.
surface currents are caused by ____ action
occur deeper than 200m
It is a large amount of ocean water that moves in a particular unchanging direction.
can be warm or cold, depending on their origin.
deep ocean currents are caused by temperature and ________ of the water.
Moving currents are forced to turn when they meet a _____ surface.
extend to an average depth of 200m.
surface currents are caused by wind action and __________.
As air moves over the ocean’s surface, its energy is transferred by friction to the water molecules, causing the ocean water to ____.
Water _______ varies with depth.
the water temperature may drop from 20ºC to 5ºC
temperatures are close to the freezing point
water is more dense than warm water and tends to sink
currents where warmer water is rising and colder water is sinking