Unique Nature of pure nature
What type of bond forms between water molecules?
What is hydrogen bond
What is the average salinity of ocean water?
What is 35 parts per thousand
What gas do marine organisms use for photosynthesis?
What Is carbon dioxide
What is the main cause of ocean acidification?
What is Increased carbon dioxide in the atmosphere
What process in plants and algae removes carbon dioxide from the atmosphere?
What is photosynthesis
What causes water to stick to other surfaces, like the side of a glass?
What is adhesion
What two main elements make up most of the dissolved salts in seawater?
What is sodium and chloride
What gas do marine animals use for respiration?
What is oxygen
What happens to pH levels as oceans absorb more CO₂?
What is the ph decreases and becomes more acid
What process releases carbon dioxide back into the atmosphere?
What is respiration
Why does ice float on water?
Because solid water is less dense than liquid water due to hydrogen bonding
How does temperature affect the density of seawater?
What is colder water is denser than warm water
What term describes water that has a balanced pH, not too acidic or basic?
What is neutral
How does acidification affect coral reefs?
What is weakens coral skeletons made of calcium carbonate
How does carbon move from the ocean to the atmosphere?
What’s is through gas exchange at the surface
What property of water allows insects to walk on its surface?
What is surface tension
How does salinity affect the freezing point of seawater?
What is higher salinity lowers and freezing point
Why is seawater slightly basic instead of neutral?
Because it contains dissolved bicarbonate and carbonate ions
What marine organisms are especially threatened by ocean acidification because they rely on calcium carbonate shells?
what is shellfish and plankton
What happens to some carbon in the ocean over long periods of time?
It becomes stored in sediments or forms fossil fuels
How does water’s high specific heat help stabilize Earth’s climate?
What is It absorbs and stores large amounts of heat, preventing extreme temperature changes
What happens to salinity when freshwater from rivers or rain enters the ocean?
What is salinity decreases
What process allows the ocean to absorb gases like carbon dioxide from the atmosphere?
What is gas exchange at the surface
How does ocean acidification impact the food web?
What is It harms small organisms that larger animals depend on, disrupting the entire food chain
How does the burning of fossil fuels affect the carbon cycle?
What is releases stored carbon into the atmosphere, increasing CO₂ levels