Physical Properties
The number of feet beneath the surface where hydrostatic pressure will reach 1 atmosphere
What is 33ft?
A scale from 0 to 14 that measures the concentration of specific ions in water:
What is pH?
An organism that cannot tolerate a change in salinity:
What is stenohaline?
The relationship between pressure and temperature:
What is direct?
A cartesian diver apparatus (ketchup packet in bottle) sinks because of:
What is increased density due to compression of air?
What is the name of the property that allows a "film" to form on the top layer of water?
What is water tension?
This ion is more highly concentrated in an acidic solution:
Bottom dwelling marine organisms are often ____, which allows them a measure of camouflage.
What is red?
Increasing the ________ of an object will decrease its density:
Salinity measures:
What kind of relationship do pressure and temperature have?
What is a direct relationship?
This ion is more highly concentrated in an alkaline solution:
What is OH- (hydroxide)?
Most marine organisms are __________, which means that they regulate their body temperature through external sources.
What is ectothermic?
Surface salinity increases in areas that have:
What is higher temperature/more evaporation?
When water freezes, this happens to its' volume:
What is increases?
If turbidity in a body of water decreases, the ___________________ gets deeper.
What is the Zone of Compensation?
When carbon dioxide dissolves in water, it creates ____________, which makes the solution more __________.
What is carbonic acid; acidic
What property of water allows marine animals to survive in frozen ponds and lakes? (unique to water)
Temperature and salinity are the most important factors impacting this property of water:
What is density?
This is an area where photosynthetic output is equal to respiratory intake (deepest photosynthesis):
What is the zone of compensation?
If an object weighs MORE than the volume of water it displaces, it will:
What is sink?
These bonds join water molecules together, and cause water to be ________. This creates an attraction between molecules.
What are hydrogen bonds; polar
Which of these animals would be LEAST reliant on buoyancy?
Whale; Crab; Eel; Shark; Kelp; Jellyfish
This separates warmer surface water from cooler, deeper water:
What is a thermocline?
This is the most important factor affecting marine life:
What is temperature?