compositions and structure of Earth's Oceans
Why are oceans salty?
Salanity
Pg 565
What is the average depth of an ocean?
4,000 meters
Pg 567
What zone only receives a faint blue-green light?
The middle zone.
Pg 568
People found shoes on the coast of Oregon and Washington. How did the shoes get there?
Ocean currents.
What is a nonpoint-source pollution that cannot be traced to a specific source?
Sewage runoff.
Pg 589
What is Condensation?
Water Vapor
Pg 564
What do mid-ocean ridges form?
Continuous mountain ranges.
What makes water particles extend below the surface?
Wave Motion.
Pg 574
How many pairs of shoes fell off a cargo ship in 1990 in the middle of the Pacific Ocean?
40,000
Pg 581
What has formed the Earth and the Ocean?
Tectonic Changes
Pg 564
What is part of an ocean basin and is next to a continent?
Continental margins.
Pg 566
What tide occurs during a first-quarter moon?
Neap tide.
Pg 577
How do surface currents carry warm or cold water across the surface of the ocean?
Horizontally.
Pg 581
What have asteroids and Comets formed?
A second source of water
Pg 564
In the future, what is likely to be used more frequently?
Remotely operated vehicles.
Pg 567
What tides occur during spring tides when the sun, moon, and Earth are in line?
The highest high tides and the lowest low tides.
Pg 577
A vertical current.
Density current.
Pg 583
Rivers and oceans carry minerals where?
Ocean basins
Pg 565
What are the two main categories of seafloor resources?
Energy resources and minerals.
Pg 567
What wave breaks or collapses when the wave reaches a certain height, and the wave base can no longer support the crest?
Breaker wave.
Pg 575
What is the large system that affects the weather and climate?
Great conveyor Belt.
Pg 585