oceanography 2

Question 1

tide

Answer 1

Rise and fall of ocean water levels caused by the gravitational pull between the moon, sun and earth.

Question 2

Gravity

Answer 2

the force which pulls two objects close to each other. The greater an object’s mass, the greater its gravitational pull.

Question 3

Tidal bulge

Answer 3

A band of water around the earth caused by the gravitational pull of the moon or the sun.

Question 4

High tide

Answer 4

When the tide is at its highest level. You experience a high tide when you are passing through a tidal bulge

Question 5

Low tide

Answer 5

When the tide is at its lowest level. You experience low tide when you are passing in between the tidal bulges.

Question 6

Tidal range

Answer 6

The difference between the water level at high tide and the level at low tide.

Question 7

Spring tide

Answer 7

Higher than normal high tide or lower than normal low tide that occurs during a new or full moon when the sun moon and earth are lined up with each other. The tidal range is greater than average.

Question 8

Neap tide

Answer 8

A moderate tide with the least difference between high tide and low tide that occurs during a quarter moon when the sun and moon are at right angles to each other. The tidal range of neap tides is less than average.