Earch Science - Chapter 13 - Mrs. Mann

Pelagic organisms (def + examples)

Free Swimming (sharks, fish, jellyfish, etc)

Zone with greatest cariability of conditions

Intertidal

Mean sea level is currently? (Rising or Falling)

Rising

What is an Oceanographer?

Scientists who studies all aspects of the ocean

Seawater's freezing point compared to fresh water's

Sea water has a lower freezing point

What is the order of the parts of the beach?

Shoreline, berm, beach, longshore, sandbar, longshore, through

Most abundant salt in the ocean water

Sodium Chloride

Barrier Reef

forms a lagoon between the reed & the land

Fringing reef

group right up to the beach aloing the coastline

Brackish

low salinity water

Aphotic Zone

no light, bioluminescence

Long-shore Sandbar

where large waves first break and drop sand

Speed of sound in seawater vs air

4.5 times faster in seawater

Oceans cover how much of the earth?

71%

What is a sea?

A large section of ocean mostly surrounded by land or islands

Which ocean covers the smallest percentage of earth's surface?

Arctic

What are the 4 major ocean basins?

Artic, Atlantic, Indian, Pacific

Benthic organisms (def + examples)

Attached to or live on sea bottom (clams, coral, crabs, etc)

Largest barrier reef is found where?

Australia

Echolocation

Basis of sonar

Distillation is a method of doing what?

Desalinating water

Deepest measured depth of the ocean

11,000M (36,000 FT)

Average ocean salinity

35g of salt per 1000g of water

4 main types of tectonic features under the sea

Mid-ocean ridge, seamount, wrench, islandarc

Arrangements of bodies of water from largest to smallest

Ocean, sea, gult, bay, straight

Young-earth view was that oceans were created when?

On second day of Creation

Photic Zone

Only pelagic

Fas most abundant near the surface (instead of deep)

Oxygen

Which ocean covers the largest percentage of the earth's surface?

Pacific

What is potable water?

Water that is suitable for drinking

Submarine canyon

believed by young-earth scientists to have been created by runoff from the continents late in the flood

Brine

salty water

Seamount

submerged mountain or hill

Mid-ocean ridge

submerged mountain ranges at the margins of diverging tectonic plates

Abyssal Zone

th the floor, marine snow

Carbon

the main building block of all living things

Continental Shelf

the shallow, sumberged edges of a continent