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Chapter 8.1

Chemical process in which light energy, water, and carbon dioxide are converted into sugar. Photosynthesis
To operate with hands or by mechanical means in a skillful manner. Manipulate
The oceans were filled during tens of thousands of years with water form ________ and possibly ice from comets and asteroids. Precipitation
In areas where tectonic plates collide, the seafloor has deep _______. Trenches
In areas where tectonic plates separate, the seafloor has mid-ocean _____. Ridges
Oceanographers use _____________ to explore the seafloor. Submersibles
The continental shelf, continental slope, and continental rise are regions of the continental _______. Plains
What is the term for an uncrewed submersible used to explore the seafloor? ROV
Which zone does not receive any sunlight? Deep Zone
What happens to density as depth increases in oceans? It increases.
List 2 main categories of resources on or beneath the ocean floor. Energy resources & minerals
How does light that is absorbed affect the temperature of the water? The more light absorbed, the warmer the water will be.
Why do organisms that perform photosynthesis live only in the surface zone? The Surface Zone receives the greatest amount of sunlight.
Most bioluminescent deep-sea organisms emit blue and green light. What is the advantage of emitting these colors instead of other colors? Blue & green penetrate deeper into the sea.
Why does the salinity of surface water in polar regions differ from the salinity of surface water in temperate of tropical regions? Warm water evaporates more rapidly than cold water. When water evaporates, salt is left behind.
A feature on the ocean floor. Abyssal Plain
Water in the oceans. Seawater
Refers to dissolved salt content. Salinity
Slightly salty. Brackish water
The large, flat areas of the seafloor that extend across the deepest parts of the ocean floor are the _________. Abyssal Plains
Physical characters that are used to classify the ocean into zones include water depth, temperature, salinity, density, and amount of ________ received. Sunlight
Water from a sea or an ocean that has a average salinity of 35 ppt is _____. Seawater
Two main resources on the seafloor are ________ and _______ resources. Minerals; energy
The measure of the mass of dissolved solids in a mass of water is called _______. Salinity
Freshwater mixed with seawater is ___________. Brackish Water
True/False--Fix if False: The five oceans are the Antarctic Ocean, the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, and the Southern Ocean. False; Change Antarctic to Arctic.
True/False--Fix if False: Salinity is a measure if the mass of dissolved solids in a mass of water. True
A salinity of 35 parts per thousand means that if you measured 1,000 g of seawater, 965 g would be water molecules and 35 g would be salts. True
Created by: minormal1299