Earths Waters Chapter 3: Ocean Motion

A large stream of moving water that flows through the ocean is called a(n)

Salinity is a measure of which of the following in water?

One advantage of tidal power is that...

What is the horizontal distance called between wave crests or troughs?

Algae in the ocean carry out photosynthesis and release the gas ______ into the water.

A rush of water that flows rapidly back to sea through a narrow opening is called a 

The daily rise and fall of water on Earth’s coastlines are called ____________________.

Most waves form when energy is transferred to water from ____________________.

Which of these gases is about 60x  more plentiful in the ocean than it is in the atmosphere?

To reduce erosion along a strip of beach, you might build a short wall called a 

As the salinity of water increases, the density increases.

In which ocean are tsunamis most common?

The movement of cold, deep ocean water to replace warm water at the surface is called...

The movement of colder water upward from the deep ocean.

A wall of rocks or concrete built outward from a beach is called a(n) ____________________.

The vertical distance between the crest and trough of a wave is called the ___________________.

Evaporation increases the _____ sea water.

Near the shore friction between the ocean floor and the water causes waves to speed up.

The densest ocean water is generally found

Winds are the main cause of deep currents in the ocean.

What is the most abundant salt in sea water?

Hills of wind-blown sand called dunes help to prevent beach erosion.

H2O rushing back to sea via a narrow gap causes a ripcurrent to carry swimmers away from shore

Which of the following is true of El Nino?

In the Northern Hemisphere, currents curve to the right because of the

Dunes reduce beach erosion because

As a wave nears shore, the wave height increases and the wave length...

The greatest difference in the heights of high and low tides occurs during a(n) _______ tide.

Which of the following areas in the ocean is likely to have the lowest salinity?

When a tsunami hits the shore it can be very destructive because of its large....

In which zones is ocean temperature most affected by the weather?

Deep currents are caused by differences in the ____________________ of ocean water.

Harnessing tidal power is practical only in places where...

As you descent through the water column,

In the Northern Hemisphere, due to the Coriolis Effect what direction do the currents flow?

The movement of sand along a beach is known as _________________________.

Winds are the main cause of deep currents in the ocean.

A low tide occurs as places on Earth’s surface pass through the areas of the tidal bulges.

A tidal power plant produces energy using the movement of water

Deep currents are caused mostly by

In a few places on Earth, people use the energy of tides to generate wind.

The force of the sun’s and moon’s ____________________ pulling on Earth causes tides.

Tides are caused by

One way that waves shape a beach is to break up rock and carry it away in a process called____.

In general, surface currents that flow from the tropics towards the poles carry warm water.

A warm surface current in the Atlantic that affects the climate in its path is the Gulf Stream.

Tsunamis are caused by ____________________ on the ocean floor.

As a wave nears shore, the ____________________ decreases and the wave height increases.

The most abundant salt in ocean water is sodium chloride.

A wave is the movement of energy through a body of water.

The lowest point of a wave.

The pressure of ocean water decreases as depth increases.

The abnormal climate event called El Nino occurs in the Pacific Ocean every 2 to 7 years.

Without the motion caused by upwelling, the surface waters of the ocean would be very scarce in

A tide with the LEAST difference between high and low tides are called....

Harnessing tidal power requires a large difference between high and low tides.

The size of the wave is NOT affected the...

The growth of algae in ocean water is limited by their need for

What causes cold, deep currents to form in the ocean near the poles?

The temperature of ocean water drops very quickly in the ____________________ zone.

Which of the following locations would be best for a tidal power plant?

Which type of current carries cold, dense water from the poles to the equator?