Unique Nature of Pure Water
What is the chemical formula for water?
What is H2O
What instrument measures water clarity?
What is a Secchi disk?
What is the total amount of dissolved salt in water called?
What is salinity?
What gas contributes to ocean acidification?
What is carbon dioxide (CO₂)?
Which ocean layer is known as the Sunlight Zone?
What is the Epipelagic Zone?
What type of bonding attracts water molecules to each other?
What is hydrogen bonding?
Which color of light penetrates deepest into seawater?
What is blue light?
What is the average salinity of ocean water?
What is 35 parts per thousand (3.5%)?
What process converts carbon dioxide into organic compounds?
What is photosynthesis?
Which ocean layer is known as the Twilight Zone?
What is the Mesopelagic Zone?
What property allows water molecules to stick together?
What is cohesion?
How does water pressure change as ocean depth increases?
What is an increase in pressure?
Which two ions make up about 85% of the dissolved ions in seawater?
What are sodium and chloride?
Approximately what percentage of human-produced CO₂ emissions is absorbed by the ocean?
What is approximately 30%?
What ocean layer extends from 1,000 to 4,000 meters deep?
What is the Bathypelagic Zone?
Why does ice float on liquid water?
What is ice being less dense than liquid water?
Approximately how much faster does sound travel in water than in air?
What is 4.5 times faster?
What happens to seawater’s density when salinity increases?
What is an increase in density?
How does increased carbon dioxide affect ocean pH?
What is a decrease in pH?
Which ocean layer is known as the Lower Midnight Zone?
What is the Abyssopelagic Zone?
How does water’s high heat capacity benefit marine organisms?
What is protecting them from rapid temperature changes?
What underwater channel allows low-frequency sounds to travel thousands of kilometers?
What is the SOFAR channel?
Which three ions enter the ocean through rivers?
What are sodium, potassium, and magnesium?
Why does ocean acidification make it difficult for shell-building organisms to survive?
What is reduced carbonate availability, making shells harder to build?
Which ocean layer extends from 6,000 to 11,000 meters and contains the Mariana Trench?
What is the Hadalpelagic Zone?