The Ocean Floor
What percent of our Earth is covered by Oceans?
Nearly 71%
What is salinity?
Salinity is the total amount of solid material dissolved in water.
What celestial bodies causes tides?
Sun and Moon
What is the most important gas for understanding atmoshpeic processes?
Water vapor
What type of eclipse forms when the moon casts its shadow on Earth?
Solar
What are the main energy resources from the ocean?
Oil and Natural Gas
What units are used to express the salinity of water?
parts per thousand
What is beach nourishment?
adding sand to the shore to stabilize the shoreline
List four mechanisms that cause air to rise.
frontal wedging, orographic lifting, convergence, convective lifting
Name the terrestrial planets
Mercury, Earth, Mars, Venus
What are the three types of seafloor sediments?
terrigenous, biogenous, hydrogenous
How can marine organisms be classified?
by where they live and how they move
Which object has such a strong surface gravity that light cannot escape it
black hole
How are clouds classified?
According to form and height
Name the Jovian Planets
Jupiter, Saturn, Uranus, Neptune
What are 3 main regions of the ocean floor?
Continental Margin, Ocean basin floor, Mid-Ocean Ridge
What factors influence a regions photosynthetic productivity?
sunlight and nutrients available
Which form of radiation has the longest wavelength?
radio waves
The force exerted by the air above is called.
Air Pressure
What is the source of the Suns energy
nuclear fusion
Name the four ocean basins.
Pacific Ocean, Atlantic Ocean, Indian Ocean, Artic Ocean
What factors are used to divide ocean life into marine life zones?
The availability of sunlight, the distance from the shore, and water depth.
List four specific controls of atmospheric temperature.
latitude, altitude, geographic position, ocean currents.
An immense body of air in the troposphere characterized by similar temperatures and amounts of moisture is called
an air mass
Distance to stars are usually expressed in units called
light-years