Currents, Waves and Tides

Which of the following is responsible for the Earth's tides?

• The circulation of water in bays and estuaries
• The thermohaline circulation of water
• The wind speed and fetch of eater
• The gravitational pull of the sun and moon

Which ocean current is found on the eastern side of North America?

• California
• Kuroship
• Gulf Stream
• Peru

Surface ocean currents are generated mostly by

• the Coriolis effect
• water density
• tides
• wind

What type of tides would this arrangement of earth-moon-sun create?

• neap tide
• spring tide
• new moon tide
• full moon tide

What type of tide would this arrangement of earth-moon-sun create?

• full moon tide
• new moon tide
• neap tide
• spring tide

The Coriolis Effect is caused by

• Earth revolving around the sun
• Earth rotating on its axis
• Rising and falling tides
• Pull of gravity

What is the periodic rise and fall of the water level in the oceans?

• Tide
• Tidal range
• Spring Tide
• Neap Tide

Currents that are far beneath the surface

• deep ocean currents
• surface currents
• current
• global winds

What happens to a current when it comes in contact with a continent or landmass?

• It continues over the continent
• It stops
• It changes direction
• It is absorbed by the land

What name is given to large, destructive waves caused by underwater earthquakes and volcanoes?

• Spring tide
• Longshore current
• Tsunami
• Swell