West Middle Science 8 -Chapter 7 Flashcard - Oceans

Front

Surface ocean currents are caused by differences in temperature and salinity in the ocean. True or False?

Back

False

Front

The distance between two wave crests or two wave troughs is called the_________

Back

wavelength

Front

Marine is a term that describes things that are part of or from the ocean. True or False?

Back

True

Front

Beach sand is made of large, rounded grains of quartz, and sulfur. Options: quartz and sulfur, quartz and feldspar, sulfur and quartz

Back

quartz and feldspar

Front

What is a barrier that is built to control ocean currents near a coast?

Back

jetty

Front

A wind-driven current that moves at the ocean’s surface for long distances is known as a

Back

Surface ocean current.

Front

A ____________________ is rotating circular system of ocean currents caused by the rotation of the Earth.

Back

Gyre

Front

The highest point of a wave is called the _________________________________________.

Back

Crest

Front

The low point of a wave is called a ______________________________________________.

Back

Trough

Front

The flow of sand along a coastline is called _______________________________________.

Back

Longshore drift