Unique Nature of Pure Water
What is the chemical formula for pure water?
What is H₂O?
What is the amount of dissolved salt in seawater called?
What is salinity?
What is the most abundant salt in seawater?
What is sodium chloride?
What gas is absorbed by the ocean and contributes to ocean acidification?
What is carbon dioxide?
What is the shallowest ocean zone, where sunlight is plentiful?
What is the sunlight zone (epipelagic zone)?
What property allows water molecules to stick to each other?
What is cohesion?
What is the average salinity of ocean water?
What is about 35 parts per thousand?
What are dissolved substances that carry an electrical charge called?
What are ions?
What happens to ocean pH when the ocean absorbs excess carbon dioxide?
What is a decrease in pH?
What ocean zone is known as the twilight zone because only a small amount of sunlight reaches it?
What is the mesopelagic zone?
What property allows water to dissolve many different substances?
What is its ability to act as a universal solvent?
What happens to seawater density when salinity increases, assuming temperature stays the same?
What is an increase in density?
What are the two main ions found in seawater?
What are sodium and chloride ions?
What is the process in which carbon moves between the atmosphere, oceans, living things, and Earth?
What is the carbon cycle?
What ocean zone is called the midnight zone because no sunlight reaches it?
What is the bathypelagic zone?
Why does ice float on liquid water?
Why is ice less dense than liquid water?
What happens to water pressure as you travel deeper into the ocean?
What is an increase in pressure?
What measurement tells us how acidic or basic a solution is?
What is pH?
What substance forms when carbon dioxide reacts with seawater and contributes to ocean acidification?
What is carbonic acid?
What ocean zone extends from about 4,000 to 6,000 meters deep?
What is the abyssopelagic zone?
Why does water help keep Earth’s temperature from changing too quickly?
What is its high specific heat?
Which is denser: cold seawater or warm seawater with the same salinity?
What is cold seawater?
What processes can change the chemical composition of seawater?
What are weathering and chemical reactions?
Why does ocean acidification make it harder for corals and shellfish to build their shells or skeletons?
What is a decrease in the availability of carbonate ions?
What is the deepest ocean zone, found below approximately 6,000 meters?
What is the hadalpelagic zone?