Quiz Review

Quiz Review!!

SALINITY

​What is it?

• Salinity is the amount of salt dissolved in water.

• The Atlantic Ocean the highest salinity of all the oceans.

• The Dead Sea is the saltiest body of water on Earth

SALINITY cont.

​What can change the salinity of water?

• Melting icebergs

• Fresh water running into the ocean

• Tides are the rise and fall of sea levels

• Tides are created by the gravitational pull of the moon

​Tides

• Currents are the continuous movement of water

• Ocean currents are created by: wind, salinity levels, and temperature

​Currents

Currents VS Tides

• High tide is when ocean levels rise

• Low tide is when ocean levels fall

​Tides

• Currents move water from one ocean to another

• Currents affect global climates as they shift heat and energy around the world

​Currents

Currents VS Tides cont.

Gulf Stream

• The Gulf Stream  is a strong ocean current that brings warm water from the Gulf of Mexico into the Atlantic Ocean.

• Transports more water than all of the Earth's rivers combined.

How much of the Earth is water?

​70%

Multiple Choice

Which term describes the amount of salt dissolved in water?

• Temperature

• Current

• Salinity

• Depth

Multiple Choice

Which of the following is an ocean current?

• Gulf Stream

• Dead Sea

• Pacific Ocean

• James River

Multiple Choice

About how much of the Earth is covered with water?

• 35%

• 50%

• 70%

• 85%

Multiple Select

How are ocean currents created? Select ALL that apply.

• wind

• salinity differences

• temperature differences

• the size of the body of water

Multiple Choice

Which of the following occurs due to ocean currents?

• Water from one ocean can be moved to another ocean.

• There are more fish in warmer seas.

• There are more fish in bigger oceans.

• The ocean has a tidal system.

Multiple Choice

What creates Ocean Tides?

• Temperature and salinity

• Wind blowing across the surface of the water

• Fish swimming through water

• The gravitational pull of the moon

Multiple Select

Which of the following changes the salinity of water? Select ALL that apply.

• Melting icebergs

• Adding more plants to a body of water

• Fresh water running off into the ocean after a storm

• The amount of pollution floating in the water

Open Ended

What is one way tides and currents are different? What is one way they are the same?