Marine Bio CH1
Terms
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- photic zone
- the portion of the ocean where light intensity is sufficient to accommodate plant growth
- Density
- ratio of the mass of a substance to its volume
- seafloor spreading
- a global process of organic crust moving away from and rise system where it formed
- ozone
- 0*3 formed by the action of UV light acting on atmosphere 0*2
- visible light
- the portion of the electromagnetic radiation to which the human eye is sensitive
- shelf break
- the outer edge of the continental shelf
- latent heat of fusion
- the heat that must be extracted from a liquid to freeze it to a solid at the same temp
- salinity
- a measure of the total amount of dissolved ions in seawater
- Continental slope
- the relatively steep portion of the sea bottom
- Ion
- an electrically charged atom or molecule formed by gaining or losing an electron
- Continental shelf
- the relatively smooth underwater extension of the edge of the continent that slopes gently seaward to a depth of about 200 m
- seamounts
- underwater volcanoes
- Atolls
- a ring shaped chain of coral reefs from which a few low islands project above the sea surface
- temperature
- a relative intensity measure of the condition caused by heat
- Abyssal plains
- flat, sediment covered areas in the ocean basin usually 3,000 to 5,000 m deep
- pycnocline
- the ocean layer, usually near the bottom of the photic zone marked by a sharp change in density
- Convection
- the transfer of energy by the flow or mixing of a gas or liquid
- thermocline
- the ocean layer, usually near the bottom of the photic zone
- Heat Capacity
- the measure of energy required to change the temperature of a 1 g substance
- ionic bond
- in crystalline structures an atom bond formed between adjacent oppositely charged ions
- trenches
- deep area in the ocean floor, generally deeper than 6,000 m
- latent heat of vaporization
- the heat required to convert to convert a liquid to a gas at the same temperature
- Pangaea
- the super continent
- Calories
- a unit of heat energy equivalent to the amount of energy required to change the temp of 1 g of water 1 C
- Hydrogen bond
- a weak bond formed by the attractive by the attractive force between the charged ends of water molecules and other charged ions
- Continental drift
- the gradual movement of continents in response to seafloor spreading process
- viscosity
- the resistance of water molecules to external forces that would separate them
- last glacial maximum
- the time that the last major continental glacial advance in the northern hemisphere reached it maximum height 18,000 years ago
- ridge and rise system
- the interconnecting chain of seafloor mountains that trace the edges of crustal plates and the sites of new oceanic crust production
- Conduction
- the molecular transfer of heat through a medium
- plate tectonics
- the collective geologic processes that move the crustal plates of the earth
- surface tension
- the mutual attraction of water molecules at the surface of a water mass
- reefs
- massive near-shore deposits of coral skeletal material