Tides, Waves & Currents REVIEW

TRUE or FALSE: The North Atlantic Drift is a cold surface current.

• TRUE

• FALSE

Tags

NGSS.MS-ESS2-6

TRUE or FALSE: If you were sailing from the United States to Europe, you would seek to use the Gulf Stream.

• FALSE

• TRUE

Tags

NGSS.MS-ESS2-6

The highest point of a wave is

• wavelength

• trough

• frequency

• crest

Tags

NGSS.MS-PS4-1

The difference between the high tide level and the low tide level is called

• spring tide

• neap tide

• tidal height

• tidal range

Approximately how much time passes between high tide and the following high tide here on Long Island?

• 18 hours 15 minutes

• 24 hours 50 minutes

• 12 hours 25 minutes

• 6 hours 12 minutes

In order to prevent beach erosion, some areas have utilized this method of pumping sand from the nearby ocean floor to replace missing beaches

• groin

• dredging

• jetty

• seawall

Which of the following describes a rip current?

• A current caused by wind

• A current that moves parallel to the ocean floor

• A gentle flow of water towards the shore

• A strong channel of water flowing away from the beach

What is the significance of the term "slack tide"?

• It refers to the time when tides are at their lowest

• It refers to the time when tides are at their highest

• It refers to the average time between high tides

• It refers to the time when tides are changing direction

As waves slow down near the shore, they get

• closer together

• farther apart

Tags

NGSS.MS-PS4-2

Which current do we experience on Long Island that is characterized by moving parallel to the shoreline?

• The Gulf Stream

• Longshore Current

• Deep Ocean Current

• Rogue Waves