What causes tides?

What is a current?

How many tides do we experience everyday?

What do the arrows on the map represent?

Sailors long ago would catch the current off the coast of Virginia. This current would help them get to which continent?

The salinity of the Mediterranean Sea is greater than that of the Atlantic Ocean. This means that, compared to the Atlantic Ocean, the Mediterranean Sea is —

_____ are the up and down motions in water caused by winds.

The back and forth movements caused by the gravitational pull of the moon are called

Which is the best way to describe the continental shelf?

What causes the salinity in the ocean to increase? Select 2 answers.

What causes the salinity in the ocean to decrease? Select 2 answers.

The ocean floor–

Which location is likely to have the greatest water pressure, the coldest temperature, and the smallest number of living organisms?

The most important reason that lakes and oceans have different types of animal life is that oceans have –

The main difference between ocean water and lake water is that ocean water contains–

Select all that apply: Which of the following are the producers in an oceanic food web?

Which organism floats in the ocean?

Which organisms swim in the ocean?

Which organisms are non-moving in the ocean?

Ocean water is a mixture of all the following except–

Identify a limitation, something we cannot see, from this model:

Algae and other producers need lots of sunlight. Most ocean algae would be found in the water —

Many species of ocean organisms live in coral reefs. The map shows that most coral reefs are found near the equator. What does the location of coral reefs suggest about coral organisms?

Which organism is the producer?

Choose 4 events that can impact the level of salinity in the ocean water.

What part of ocean water do marine organisms depend on for survival?

Which of the following marine organisms can be classified as producers? Choose 2
correct answers.

The Caribbean current could best support —

Which current would be best to travel down the west coast of the United States?

Ocean currents affect the following: (Choose all that apply)

Which state of matter is characterized by having little, if any, free space between its
molecules?

Which state of matter is characterized as having no definite shape, or volume and
assumes the shape of its container?

About how much of the Earth is covered with ocean?

Which of the following is NOT a reason why it is difficult for most animals to live in the deep sea?

Tides are controlled by....

Which of the following is an ocean current that borders the east coast of the United States?

What is the part of the ocean where most life is found? This is also the sloping border on the continent that is below the water.

What is the name for the group of organisms who float in the water and must have the sun to produce energy through photosynthesis? These organisms are the base of the food chain.

In this photo, who is the producer?

Which of these increases as you go deeper in the ocean?

Ocean water is different from a lake because ocean water contains

As you go deeper in the ocean, the temperature

Algae and other producers need a lot of sunlight to survive in the ocean. Which part of the ocean would they most likely live in?

Using the Ocean Food web, which answer gives the correct order of an ocean food chain?

Which Organisim in the Food web gets its energy from the Sun?

When water evaporates from the surface of the ocean, does that increase or decrease the salinity of the ocean water?

Select all the Floating Organisms below:

Select all the Swimming Organisms below:

___________________ get their energy by eating other organisms.

_______________ break down dead plants and animals in the ocean, helping to release energy back into the ecosystem.

If something happens to one part of the food chain, it can affect everything else that depends on the food chain.

The word "marine" means anything that is found in, or made by, the sea.

An ocean is a/an __________ ecosystem.