Density of Water vs. Ice
What if ice was more dense than water?
The ice would sink and collect at the bottom.
What affects thermonuclear depth?
Seasonal weather variations, Latitude, and Local environmental conditions, such as Tides and Currents.
High amount of Dissolved Oxygen in a lake indicate?
Better water quality
What is special about the SOFA channel?
Allows sound to carry great distances.
Why estuaries are formed?
When sea levels rise and fill in an existing river valley.
What would happen if ice didn't float on water?
It would form at the bottom of a body of cold water rather than the top
Which zone is associated with the thermonuclear and polyclinic?
Polyclinic Zone
Can dissolved oxygen be greater than 100?
Dissolved oxygen readings of greater than 100% air saturation can occur in environmental water
What causes the SOFA layer and shadow zones in the ocean?
Specific combinations of temperature, pressure, and salinity
Which of the following is NOT TRUE of estuaries?
A. Estuaries provide a habitat for biotic factors
B.Estuaries create a protective refuge for living things
C.Estuaries allow juvenile animals to grow into adults safely
D.Estuaries create shelter for aquatic and non-aquatic life.
Estuaries create shelter for aquatic and non-aquatic life.
How can you compare the density of water and ice?
The ice structure takes up more volume than the liquid water molecules, hence ice is less dense than liquid water.
What causes a halocline?
Less dense fresh water from the land forms a layer over salt water from the ocean.
What is the highest level of dissolved oxygen in water?
more than 20 mg/L
How deep is the shadow zone?
Around 2 kilometres below the surface of the Indian and Pacific Oceans
Where is the largest estuary in the 48 contiguous United States?
Chesapeake Bay
What does ice float on water?
Ice floats because it is less dense than water.
What two factors affect the pycnocline the most?
Seawater temperature and Salinity.
Does oxygen increase pH in water?
What is a shadow zone in the ocean?
The shadow zone is an area of almost stagnant water sitting between rising currents.
What is an Estuary?
Freshwater and Saltwater meeting nature
At what temperature does water reach its maximum density?
4 °C
What phase of water is least dense?
Solid water, or ice
What reduces dissolved oxygen in water?
Temperature increases, decaying aquatic plants and algae, fertilizers, and weather changes
What is special about the Shadow zone?
Submarines hide from sonar in the shadow zone.
An estuary is best defined as a place where?
Fresh and Salt water meet