Oceanography 24 & 25 Ocean Zones TidesOcean Water Elements Grab bag 100 200 300 400 500

Oceanography 24 & 25

Ocean Zones

Tides Ocean Water

Elements Grab bag

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

The bottom region of the ocean

Answer

Benthic Zone

Home

The movement of deep, cold, and nutrient-rich water to the surface

Answer

Upwelling

Home

The region of an ocean or body of fresh water above the benthic zone.

Answer

Pelagic Zone

Home

What are the two main solids dissolved in ocean

water?

Answer

Sodium and Chlorine

Home

What are the 3 main temperature zones in the

ocean?

Answer

1. Surface water- solar energy

2. Thermocline- where Sun stops heating

3. Deep Water- cold water becomes dense & sinks

Home

The water in the ocean moves in giant streams called ____

Answer

Home

Currents

The shallow sea floor that is located between the

shoreline and the deep-ocean bottom

Answer

Continental Margin

Home

What is SONAR?

Answer

Sound Navigation and Ranging- uses sound

waves to find depths of the ocean floor

Home

What 2 factors affect the density of ocean water?

Answer

Temperature and Salinity

Home

What ocean floor feature is created at a subduction zone?

Answer

Trench

Home

A measure of the amount of dissolved

salts in a given liquid

Answer

Salinity

Home

The ratio of the mass of a substance to the

volume of the substance

Answer

Density

Home

The curving of the paths of ocean currents and winds due to Earth’s rotation is called the

_________Answer

Coriolis Effect

Home

A layer in a body of water in which water

temperature drops with increased depth faster than

it does in other layers

Answer

Thermocline

Home

What are microscopic organisms that live in the sunlit zone, creating the base of the food chain?

Answer

Plankton

Home

Answer

The force that causes tides is _____________

Gravity

Home

Waves strike the coastline head-on instead of at an

angle as a result of ________

Answer

Refraction

Home

Gases dissolve most readily in what kind

of water?

Answer

Cold ocean water

Home

Trace elements in the ocean are those

minerals that are __________ in amount

Answer

Smallest

Home

Answer

The 2 main gases dissolved in ocean water are ___________ and

________________

Nitrogen and oxygen

Home

The distance the wind blows across an area of the sea to generate waves is known as

_________

Answer

Fetch

Home

2 identical points on consecutive waves pass a

given point in one __________

Answer

Wave Period

Home

What ocean floor feature is created when two oceanic

plates diverge?

Answer

Mid-ocean Ridge

Home

What is the research vessel that laid the foundation for modern day oceanography?

Answer

HMS Challenger

Home

Deep currents are caused by differences in _____________

Answer

Density of ocean water

Home