Earth's Aphelion and Ocean Currents

What is the primary source of energy for ocean waves?

What is the vertical distance from the bottom of a wave trough to the top of a wave crest called?

In what manner do water particles travel as a wave passes through them?

What influences the movement of ocean water according to the text?

Which ocean current brings cold water from the sub-Antarctic surface water?

What causes the South Equatorial current in the Atlantic Ocean?

Where does the West Wind Drift split into two branches?

Which ocean current was discovered by Ponce de Leon in 1513?

What is the warm current that flows between the coast of Africa and South America?

What is the name of the cold current that moves along the coast of Greenland?

What is the wave period?

What is wave speed measured in?

What causes tides?

What occurs due to the vertical movement of ocean waters and is different from tides?

What is the major cause of the occurrence of tides?

What creates two major tidal bulges on the earth?

What is the time between low tide and high tide called?

Which type of tides have two high tides and two low tides each day?

What do we call tides that occur when sun, moon, and earth are in a straight line?

What happens normally after seven days of a spring tide?

What happens when moon's orbit is closest to the earth?

When does perihelion position occur?

What is the position called when the earth is farthest from the sun?

What causes ocean currents?

What is a gyre in the context of ocean currents?

What is the term used to refer to the speed of an ocean current?

Where are warm ocean currents usually observed?

What are surface currents driven by?

Where do deep water currents move around the ocean basins?

What provides the energy for ocean waves?

What is the vertical distance from the bottom of a wave trough to the top of a wave crest called?

What is the primary influence on the movement of ocean water, as mentioned in the text?

Which part of a wave is the highest part called?

What is the time interval between two successive wave crests or troughs?

What is the number of waves passing a given point during a one-second time interval known as?

Which of the following forces is more effective than the sun's gravitational force in causing tides?

What is the name for the time between the low tide and high tide, when the tide is rising?

What type of tides have two high tides and two low tides each day?

What causes the difference in height of spring tides compared to normal tides?

When does perigee occur in relation to the moon's orbit?

What is responsible for creating two major tidal bulges on the earth?

Which ocean current merges with the North Equatorial current in the Atlantic Ocean?

What is the primary cause of the South Indian gyre in the Indian Ocean?

Which ocean current brings cold water from the polar zone along the coast of Greenland?

What influences the movement of water in the Southern Ocean, causing offshoots to major oceans to its north?

Which ocean current was discovered by Ponce de Leon in 1513?

What is the warm current that splits into two branches on reaching the east coast of South America?

What is the term used to refer to a large system of circulating ocean currents, particularly involved with large wind movements?

Which force causes the ocean water to move to the right in the northern hemisphere and to the left in the southern hemisphere?

Which type of ocean currents bring warm water into cold areas?

What is the term used for ocean water moving forward under the influence of prevailing wind?

Which current is a warm current that flows towards the Philippines island and originates from RevillaGigedo island-west of Mexico?

What is the term for the larger masses of water moving in a definite direction with much greater velocity than drifts?

What constitutes about 10% of all the water in the ocean and occupies the upper 400m of an ocean?

What is the cold current that originates from Bering Strait and flows southwards, meeting Kuroshio warm current and Aleutian current?

North Equatorial current is a warm current that originates from where and flows towards where?

What type of tides occur when sun, moon, and earth are at right angles to each other?

Which type of ocean currents constitute about 90% of total ocean water and move around the ocean basins due to variation in density and gravity?

What provides the energy for the waves in the ocean?

What is the vertical distance from the bottom of a wave trough to the top of a wave crest called?

Which of the following is true about ocean waves?

What is the horizontal distance between two successive crests or troughs of a wave known as?

What causes the West Wind Drift to split into two branches?

What is the primary cause of the South Indian gyre in the Indian Ocean?

Which ocean current brings cold water from the polar zone along the coast of Greenland?

What influences the movement of water in the Southern Ocean, causing offshoots to major oceans to its north?

Which ocean current merges with the North Equatorial current in the Atlantic Ocean?

Where does the Gulf Stream start from?

What causes the ocean water to move to the right in the northern hemisphere and to the left in the southern hemisphere?

Which ocean current is a cold current that flows along the west coast of South America towards the north?

What percent of all the water in the ocean do deep water currents constitute, moving around the ocean basins due to variation in density and gravity?

Which ocean current is a warm current that originates from RevillaGigedo island-west of Mexico and flows towards Philippines island?

What type of tides have two high tides and two low tides each day?

What is the term used to refer to a large system of circulating ocean currents, particularly involved with large wind movements?

North Equatorial current is a warm current that originates from where and flows towards where?

Oyashio current is a cold current originating from where and flowing towards where?

Californian current is a cold current that flows towards which location along the west coast?

South Equatorial current is stronger than North Equatorial current due to what action?

Gyre, Drift, and Stream are related to which force causing ocean currents?

What is the difference between the gravitation of the moon and the centrifugal force known as?

During which time interval is the tide rising?

What type of tides have one high tide and one low tide each day?

What is the term used to refer to the time interval between two successive wave crests or troughs as they pass a fixed point?

When does perihelion position occur?

What causes the ocean water to move to the right in the northern hemisphere and to the left in the southern hemisphere?

Which type of tides occur twice a month, once on the full moon and once on the new moon?

What occurs due to the vertical movement of ocean waters and is different from tides?

Where do the highest tides in the world occur?

What causes two major tidal bulges on earth?

During which time interval is the tide falling?

What refers to tides varying in height?