Oceanography Study Guide Chapter 1
The Four Principle oceans basins (plus an additional ocean) on Earth are the
Atlantic, Pacific, Indian, Southern, and Arctic Ocean
The mechanism by which population evolve and new species develop is called
Evolution
Continental crust is predominantly composed of the igneous rock called
Granite
Earth is layers sphere with the ______ density material found near the center of the Earth and the _____ density material locates near the surface
Highest, lowest
A tentative, testable statement about the general nature of a phenomenon is called a/an
Hypothesis
Which of the following is Earth's rigid layer that includes the crust plus the topmost portion of the mantle
Lithosphere
Which of the following represents Earth's low density, mostly silicate layer
Lithosphere
which of the following represents Earth's plates that are involved in plate tectonic motion
Lithosphere
Which of the following is earth's rigid layer that included the middle and lower mantle
Mesosphere
The most likely place for the basic building block for the development of life to interact and produce life is in Earth's
Oceans
Which of the following is Earth's liquid iron-Nickel layer
Outer core
Which Ocean is the deepest ocean in the world
Pacific Ocean
Which of the following is earth's solid iron-nickel layer
inner core
Which of the following is Earth's plastic layer, which flows when a gradual force is applies to it
asthenosphere
According to the fossil record on Earth, the earliest-known life-form were primitive
bacteria
Which of the following statements regarding continental and oceanic crust is TRUE
continental crust is thicker and less dense than oceanic crust
Which of the following represent Earth's high-density, mostly iron-silicate layer
core
Which of the following represents Earth's entire iron-nickel layer
core
Based on physical properties, Earth consist of ______ layers
five
Based on chemical composition, Earth consists of _____ layers
four
Current Scientific knowledge indicates that the most likely origin of most of Earth's oceans was due to
water-bearing minerals found in meteorites
oceanic crust is predominantly composed of the igneous rock called
Basalt
according to the fossil record on Earth, the earliest know life form lived in sea floor rocks about 3.5 ___ years ago
Billion
One of the reason that free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen
Can from ozone and block some UV radiation
Although Earth's oceans have existed since early in the formation of the planet, its ________ must have changed.
Chemical composition
The separation of the Earth into layers while it was the result of the
Differing Densities of the element that make up the Earth
Which of the following is True Concerning the deepest part of the ocean
The Depth of the tech exceeds the hight of Mt. Everest
Which ocean is mostly, but not entirely, in the southern hemisphere
The Pacific Ocean
Which ocean is the single largest geographic feature on the planet
The Pacific Ocean
Plate tectonics and evolution, which are held with a high degree of confidence because of rigorous testing and verification are examples of
theories