tide flash cards

Question 1

tide

Answer 1

The rise and fall of ocean water levels caused by the gravitational pull between the Earth, the Moon, and the Sun.

Question 2

gravity

Answer 2

The force which pulls two objects towards 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 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 a low tide when you are passing between two 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

A 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 of spring tide 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 tide is less than average.