Understanding Ocean Tides and Currents

Front

What causes the ocean's tides?

Back

Gravitational pull of the Sun and Moon, and the rotation of the Earth

Front

What is a diurnal tide cycle?

Back

A tide cycle that occurs once a day

Front

What do we call a high tide that occurs on the opposite side of the Earth from the Moon?

Back

Antipodal

Front

What do we call the flow of water as the tide rises or falls?

Back

Tidal current

Front

What is the tidal range?

Back

The difference in sea level between the low tide and high tide

Front

What tidal current occurs when the tide is moving away from the ocean and towards the shore?

Back

Flood current

Front

What type of tide occurs when the sea level is at its lowest?

Back

Slack water

Front

What type of tide cycle occurs twice a day?

Back

Semidiurnal

Front

What type of tide occurs when the tidal range is at its smallest?

Back

Neap tide

Front

What type of tide cycle occurs twice a day?

Back

Semidiurnal